Shell Script Editor For Windows
2021年6月20日Download here: http://gg.gg/v2lu0
*With the arrival of Windows 10’s Bash shell, you can now create and run Bash shell scripts on Windows 10. You can also incorporate Bash commands into a Windows batch file or PowerShell script. Even if you know what you’re doing, this isn’t necessarily as simple as it seems.
*Notepad Notepadis a popular free to use code editor written in C. It uses pure win32 API.
*How To Edit Shell Script
*Linux Shell Editor For Windows
*Windows Shell Script Tutorial
*Windows Shell Script Commands
To Enable PowerShell scripts in Windows 10, you must first set the execution policy. It’s possible to modify PowerShell script execution via the Group Policy editor and registry, but the. A simple blue window and some text has transformed the world.
You’ve probably heard, as I have, that Visual Studio Code (VSCode) is the latest whiz-bang editor that you should be using for PowerShell (and I am for development of PowerShell code on my primary workstation). One word of caution though is to make sure to put things into perspective and not be so quick to shun people away from using the PowerShell Integrated Scripting Environment (ISE), depending on how they’re using it.
I recently received a comment about my choice of editors for a particular project I was working on. This comment was from a third party and not Microsoft themselves.
“We do recommend using VSCode over the ISE whenever possible since it is the recommended tool by Microsoft.”
I was wondering if I’d missed an announcement so I decided to share this comment with Microsoft and my fellow MVP’s. While I didn’t receive any feedback from Microsoft, I did receive numerous messages back from other MVP’s and based on their comments, this message appears to be a bit strong and possibly within the context of development for PowerShell tooling. I also couldn’t find anything on Microsoft’s site confirming this statement.
The following is an except from “Announcing PowerShell for Visual Studio Code 1.0” on the PowerShell Team blog.
“What does this mean for the PowerShell ISE?
The PowerShell ISE has been the official editor for PowerShell throughout most of the history of Windows PowerShell. Now with the advent of the cross-platform PowerShell Core, we need a new official editor that’s available across all supported OS platforms and versions. Visual Studio Code is now that editor and the majority of our effort will be focused there.
We would like to show you a description here but the site won’t allow us. Hotkey download free. Download Now This simple software assigns user-defined hot keys to execute programs and files, though it isn’t as dynamic as many competitive applications. Simply put, HotKey’s fundamental. Download Forums. Define hotkeys for the mouse and keyboard, remap keys or buttons and autocorrect-like replacements. Creating simple hotkeys has never been easier; you can do it in just a few lines or less! What is AutoHotkey. AutoHotkey is a free, open-source scripting language for Windows that allows users. Category: System Tools Last Updated: 2020-11-30 File size: 2.63 MB Operating system: Windows 7/8/8.1/10 Download 817 379 downloads. This file will download from the developer’s website.
However, the PowerShell ISE will remain in Windows supporting Windows PowerShell with no plans to remove it. We will consider investing effort there in the future if there is a high demand for it, but for now we think that we will be able to provide the best possible experience to the PowerShell community through Visual Studio Code.”
As you can see, the PowerShell ISE isn’t going anywhere. While there are numerous legitimate reasons to use VSCode instead of the ISE, if a Windows admin occasionally opens a script to edit it, there’s no reason they need to install VSCode. Many Windows admins would simply go back to the GUI if they were forced to install and use a product with Visual Studio in its name on day one of their scripting journey.
If you’re only running scripts, you don’t need the ISE or VSCode. Just run them in the PowerShell console. Nine out of ten times, when you find an intermediate level PowerShell scripter who doesn’t understand scoping, it’s because they never use the console.
If you’re like me and spend the majority of your day knee deep in PowerShell code, then I recommend taking the time to learn how to use VSCode (See my “How to install Visual Studio Code and configure it as a replacement for the PowerShell ISE” blog article and video), but you shouldn’t feel embarrassed if you’re an occasional scripter who uses the ISE.
µShare this:Like this:LikeLoading..OverviewQuestions
*
How can we automate a commonly used set of commands?Objectives
*
Use the nano text editor to modify text files.
*
Write a basic shell script.
*
Use the bash command to execute a shell script.
*
Use chmod to make a script an executable program.Writing files
We’ve been able to do a lot of work with files that already exist, but what if we want to write our own files? We’re not going to type in a FASTA file, but we’ll see as we go through other tutorials, there are a lot of reasons we’ll want to write a file, or edit an existing file.
To add text to files, we’re going to use a text editor called Nano. We’re going to create a file to take notes about what we’ve been doing with the data files in ~/shell_data/untrimmed_fastq.
This is good practice when working in bioinformatics. We can create a file called README.txt that describes the data files in the directory or documents how the files in that directory were generated. As the name suggests, it’s a file that we or others should read to understand the information in that directory.
Let’s change our working directory to ~/shell_data/untrimmed_fastq using cd,then run nano to create a file called README.txt:
You should see something like this:
The text at the bottom of the screen shows the keyboard shortcuts for performing various tasks in nano. We will talk more about how to interpret this information soon.Which Editor?
When we say, “nano is a text editor,” we really do mean “text”: it canonly work with plain character data, not tables, images, or any otherhuman-friendly media. We use it in examples because it is one of the least complex text editors. However, because of this trait, it may not be powerful enough or flexible enough for the work you need to doafter this workshop. On Unix systems (such as Linux and Mac OS X),many programmers use Emacs orVim (both of which require more time to learn), or a graphical editor such asGedit. On Windows, you may wish touse Notepad++. Windows also has a built-ineditor called notepad that can be run from the command line in the sameway as nano for the purposes of this lesson.
No matter what editor you use, you will need to know where it searchesfor and saves files. If you start it from the shell, it will (probably)use your current working directory as its default location. If you useyour computer’s start menu, it may want to save files in your desktop ordocuments directory instead. You can change this by navigating toanother directory the first time you “Save As…”
Let’s type in a few lines of text. Describe what the files in thisdirectory are or what you’ve been doing with them.Once we’re happy with our text, we can press Ctrl-O (press the Ctrl or Control key and, whileholding it down, press the O key) to write our data to disk. You’ll be asked what file we want to save this to:press Return to accept the suggested default of README.txt.
Once our file is saved, we can use Ctrl-X to quit the editor andreturn to the shell.Control, Ctrl, or ^ Key
The Control key is also called the “Ctrl” key. There are various waysin which using the Control key may be described. For example, you maysee an instruction to press the Ctrl key and, while holding it down,press the X key, described as any of:
*Control-X
*Control+X
*Ctrl-X
*Ctrl+X
*^X
*C-x
In nano, along the bottom of the screen you’ll see ^G Get Help ^O WriteOut.This means that you can use Ctrl-G to get help and Ctrl-O to save yourfile.
Now you’ve written a file. You can take a look at it with less or cat, or open it up again and edit it with nano.Exercise
Open README.txt and add the date to the top of the file and save the file.Solution
Use nano README.txt to open the file.
Add today’s date and then use Ctrl-X followed by y and Enter to save.Writing scripts
A really powerful thing about the command line is that you can write scripts. Scripts let you save commands to run them and also lets you put multiple commands together. Though writing scripts may require an additional time investment initially, this can save you time as you run them repeatedly. Scripts can also address the challenge of reproducibility: if you need to repeat an analysis, you retain a record of your command history within the script.
One thing we will commonly want to do with sequencing results is pull out bad reads and write them to a file to see if we can figure out what’s going on with them. We’re going to look for reads with long sequences of N’s like we did before, but now we’re going to write a script, so we can run it each time we get new sequences, rather than type the code in by hand each time.
We’re going to create a new file to put this command in. We’ll call it bad-reads-script.sh. The sh isn’t required, but using that extension tells us that it’s a shell script.
Bad reads have a lot of N’s, so we’re going to look for NNNNNNNNNN with grep. We want the whole FASTQ record, so we’re also going to get the one line above the sequence and the two lines below. We also want to look in all the files that end with .fastq, so we’re going to use the * wildcard.Custom grep control
We introduced the -v option in the previous episode, now we are using -h to “Suppress the prefixing of file names on output” according to the documentation shown by man grep.
Type your grep command into the file and save it as before. Be careful that you did not add the $ at the beginning of the line.
Raja tamil movie songs free download. Now comes the neat part. We can run this script. Type:
It will look like nothing happened, but now if you look at scripted_bad_reads.txt, you can see that there are now reads in the file.Exercise
We want the script to tell us when it’s done.
*Open bad-reads-script.sh and add the line echo ’Script finished!’ after the grep command and save the file.
*Run the updated script.SolutionMaking the script into a program
We had to type bash because we needed to tell the computer what program to use to run this script. Instead, we can turn this script into its own program. We need to tell it that it’s a program by making it executable. We can do this by changing the file permissions. We talked about permissions in an earlier episode.
First, let’s look at the current permissions.
We see that it says -rw-r--r--. This shows that the file can be read by any user and written to by the file owner (you). We want to change these permissions so that the file can be executed as a program. We use the command chmod like we did earlier when we removed write permissions. Here we are adding (+) executable permissions (+x).
Now let’s look at the permissions again.
Now we see that it says -rwxr-xr-x. The x’s that are there now tell us we can run it as a program. So, let’s try it! We’ll need to put ./ at the beginning so the computer knows to look here in this directory for the program.
The script should run the same way as before, but now we’ve created our very own computer program!
You will learn more about writing scripts in a later lesson.Moving and Downloading Data
So far, we’ve worked with data that is pre-loaded on the instance in the cloud. Usually, however,most analyses begin with moving data onto the instance. Below we’ll show you some commands to download data onto your instance, or to move data between your computer and the cloud.Getting data from the cloud
There are two programs that will download data from a remote server to your local(or remote) machine: wget and curl. They were designed to do slightly differenttasks by default, so you’ll need to give the programs somewhat different options to getthe same behaviour, but they are mostly interchangeable.
*
wget is short for “world wide web get”, and it’s basic function is to download web pages or data at a web address.
*
cURL is a pun, it is supposed to be read as “see URL”, so its basic function is to display webpages or data at a web address.
Which one you need to use mostly depends on your operating system, as most computers willonly have one or the other installed by default.
Let’s say you want to download some data from Ensembl. We’re going to download a very smalltab-delimited file that just tells us what data is available on the Ensembl bacteria server.Before we can start our download, we need to know whether we’re using curl or wget.
To see which program you have, type:
which is a BASH program that looks through everything you haveinstalled, and tells you what folder it is installed to. If it can’tfind the program you asked for, it returns nothing, i.e. gives you noresults.
On Mac OSX, you’ll likely get the following output:
This output means that you have curl installed, but not wget.
Once you know whether you have curl or wget, use one of thefollowing commands to download the file:
or
Since we wanted to download the file rather than just view it, we used wget withoutany modifiers. With curl however, we had to use the -O flag, which simultaneously tells curl todownload the page instead of showing it to us and specifies that it should save thefile using the same name it had on the server: species_EnsemblBacteria.txt
It’s important to note that both curl and wget download to the computer that thecommand line belongs to. So, if you are logged into AWS on the command line and executethe curl command above in the AWS terminal, the file will be downloaded to your AWSmachine, not your local one.Moving files between your laptop and your instance
What if the data you need is on your local computer, but you need to get it into thecloud? There are also several ways to do this, but it’s always easierto start the transfer locally. This means if you’re typing into a terminal, the terminalshould not be logged into your instance, it should be showing your local computer. If you’reusing a transfer program, it needs to be installed on your local machine, not your instance.Transferring Data Between your Local Machine and the Cloud
These directions are platform specific, so please follow the instructions for your system:
Please select the platform you wish to use for the exercises: Uploading Data to your Virtual Machine with scp
scp stands for ‘secure copy protocol’, and is a widely used UNIX tool for moving filesbetween computers. The simplest way to use scp is to run it in your local terminal,and use it to copy a single file:
Note that you are always running scp locally, but that doesn’t mean thatyou can only move files from your local computer. In order to move a file from your local computer to an AWS instance, the command would look like this:
To move it back to your local computer, you re-order the to and from fields:How To Edit Shell ScriptUploading Data to your Virtual Machine with scp
Open the terminal and use the scp command to upload a file (e.g. local_file.txt) to the dcuser home directory:Downloading Data from your Virtual Machine with scp
Let’s download a text file from our remote machine. You should have a file that contains bad reads called ~/shell_data/scripted_bad_reads.txt.
Tip: If you are looking for another (or any really) text file in your home directory to use instead, try:
Download the bad reads file in ~/shell_data/scripted_bad_reads.txt to your home ~/Download directory using the following command (make sure you substitute dcuser@ip.address with your remote login credentials):Linux Shell Editor For Windows
Remember that in both instances, the command is run from your local machine, we’ve just flipped the order of the to and from parts of the command.Uploading Data to your Virtual Machine with PSCP
If you’re using a PC, we recommend you use the PSCP program. This program is from the same suite oftools as the PuTTY program we have been using to connect.
*If you haven’t done so, download pscp from http://the.earth.li/~sgtatham/putty/latest/x86/pscp.exe
*Make sure the PSCP program is somewhere you know on your computer. In this case,your Downloads folder is appropriate.
*Open the windows PowerShell;go to your start menu/search enter the term ‘cmd’; you will be able to start the shell(the shell should start from C:Usersyour-pc-username>).
*Change to the Downloads directory:
*Locate a file on your computer that you wish to upload (be sure you know the path). Then upload it to your remote machine (you will need to know your AMI instance address (which starts with ec2), and login credentials). You will be prompted to enter a password, and then your upload will begin. (make sure you substitute ‘your-pc-username’ for your actual pc username and ‘ec2-54-88-126-85.compute-1.amazonaws.com’ with your AMI instance address)Downloading Data from your Virtual Machine with PSCP
*Follow the instructions in the Upload section to download (if needed) and access the PSCP program (steps 1-3)
*Download the text file using the following command (make sure you substitute ‘your-pc-username’ for your actual pc username and ‘ec2-54-88-126-85.compute-1.amazonaws.com’ with your AMI instance address)Windows Shell Script TutorialKey PointsWindows Shell Script Commands
*
Scripts are a collection of commands executed together.
*
Transferring information to and from virtual and local computers.
Download here: http://gg.gg/v2lu0
https://diarynote-jp.indered.space
*With the arrival of Windows 10’s Bash shell, you can now create and run Bash shell scripts on Windows 10. You can also incorporate Bash commands into a Windows batch file or PowerShell script. Even if you know what you’re doing, this isn’t necessarily as simple as it seems.
*Notepad Notepadis a popular free to use code editor written in C. It uses pure win32 API.
*How To Edit Shell Script
*Linux Shell Editor For Windows
*Windows Shell Script Tutorial
*Windows Shell Script Commands
To Enable PowerShell scripts in Windows 10, you must first set the execution policy. It’s possible to modify PowerShell script execution via the Group Policy editor and registry, but the. A simple blue window and some text has transformed the world.
You’ve probably heard, as I have, that Visual Studio Code (VSCode) is the latest whiz-bang editor that you should be using for PowerShell (and I am for development of PowerShell code on my primary workstation). One word of caution though is to make sure to put things into perspective and not be so quick to shun people away from using the PowerShell Integrated Scripting Environment (ISE), depending on how they’re using it.
I recently received a comment about my choice of editors for a particular project I was working on. This comment was from a third party and not Microsoft themselves.
“We do recommend using VSCode over the ISE whenever possible since it is the recommended tool by Microsoft.”
I was wondering if I’d missed an announcement so I decided to share this comment with Microsoft and my fellow MVP’s. While I didn’t receive any feedback from Microsoft, I did receive numerous messages back from other MVP’s and based on their comments, this message appears to be a bit strong and possibly within the context of development for PowerShell tooling. I also couldn’t find anything on Microsoft’s site confirming this statement.
The following is an except from “Announcing PowerShell for Visual Studio Code 1.0” on the PowerShell Team blog.
“What does this mean for the PowerShell ISE?
The PowerShell ISE has been the official editor for PowerShell throughout most of the history of Windows PowerShell. Now with the advent of the cross-platform PowerShell Core, we need a new official editor that’s available across all supported OS platforms and versions. Visual Studio Code is now that editor and the majority of our effort will be focused there.
We would like to show you a description here but the site won’t allow us. Hotkey download free. Download Now This simple software assigns user-defined hot keys to execute programs and files, though it isn’t as dynamic as many competitive applications. Simply put, HotKey’s fundamental. Download Forums. Define hotkeys for the mouse and keyboard, remap keys or buttons and autocorrect-like replacements. Creating simple hotkeys has never been easier; you can do it in just a few lines or less! What is AutoHotkey. AutoHotkey is a free, open-source scripting language for Windows that allows users. Category: System Tools Last Updated: 2020-11-30 File size: 2.63 MB Operating system: Windows 7/8/8.1/10 Download 817 379 downloads. This file will download from the developer’s website.
However, the PowerShell ISE will remain in Windows supporting Windows PowerShell with no plans to remove it. We will consider investing effort there in the future if there is a high demand for it, but for now we think that we will be able to provide the best possible experience to the PowerShell community through Visual Studio Code.”
As you can see, the PowerShell ISE isn’t going anywhere. While there are numerous legitimate reasons to use VSCode instead of the ISE, if a Windows admin occasionally opens a script to edit it, there’s no reason they need to install VSCode. Many Windows admins would simply go back to the GUI if they were forced to install and use a product with Visual Studio in its name on day one of their scripting journey.
If you’re only running scripts, you don’t need the ISE or VSCode. Just run them in the PowerShell console. Nine out of ten times, when you find an intermediate level PowerShell scripter who doesn’t understand scoping, it’s because they never use the console.
If you’re like me and spend the majority of your day knee deep in PowerShell code, then I recommend taking the time to learn how to use VSCode (See my “How to install Visual Studio Code and configure it as a replacement for the PowerShell ISE” blog article and video), but you shouldn’t feel embarrassed if you’re an occasional scripter who uses the ISE.
µShare this:Like this:LikeLoading..OverviewQuestions
*
How can we automate a commonly used set of commands?Objectives
*
Use the nano text editor to modify text files.
*
Write a basic shell script.
*
Use the bash command to execute a shell script.
*
Use chmod to make a script an executable program.Writing files
We’ve been able to do a lot of work with files that already exist, but what if we want to write our own files? We’re not going to type in a FASTA file, but we’ll see as we go through other tutorials, there are a lot of reasons we’ll want to write a file, or edit an existing file.
To add text to files, we’re going to use a text editor called Nano. We’re going to create a file to take notes about what we’ve been doing with the data files in ~/shell_data/untrimmed_fastq.
This is good practice when working in bioinformatics. We can create a file called README.txt that describes the data files in the directory or documents how the files in that directory were generated. As the name suggests, it’s a file that we or others should read to understand the information in that directory.
Let’s change our working directory to ~/shell_data/untrimmed_fastq using cd,then run nano to create a file called README.txt:
You should see something like this:
The text at the bottom of the screen shows the keyboard shortcuts for performing various tasks in nano. We will talk more about how to interpret this information soon.Which Editor?
When we say, “nano is a text editor,” we really do mean “text”: it canonly work with plain character data, not tables, images, or any otherhuman-friendly media. We use it in examples because it is one of the least complex text editors. However, because of this trait, it may not be powerful enough or flexible enough for the work you need to doafter this workshop. On Unix systems (such as Linux and Mac OS X),many programmers use Emacs orVim (both of which require more time to learn), or a graphical editor such asGedit. On Windows, you may wish touse Notepad++. Windows also has a built-ineditor called notepad that can be run from the command line in the sameway as nano for the purposes of this lesson.
No matter what editor you use, you will need to know where it searchesfor and saves files. If you start it from the shell, it will (probably)use your current working directory as its default location. If you useyour computer’s start menu, it may want to save files in your desktop ordocuments directory instead. You can change this by navigating toanother directory the first time you “Save As…”
Let’s type in a few lines of text. Describe what the files in thisdirectory are or what you’ve been doing with them.Once we’re happy with our text, we can press Ctrl-O (press the Ctrl or Control key and, whileholding it down, press the O key) to write our data to disk. You’ll be asked what file we want to save this to:press Return to accept the suggested default of README.txt.
Once our file is saved, we can use Ctrl-X to quit the editor andreturn to the shell.Control, Ctrl, or ^ Key
The Control key is also called the “Ctrl” key. There are various waysin which using the Control key may be described. For example, you maysee an instruction to press the Ctrl key and, while holding it down,press the X key, described as any of:
*Control-X
*Control+X
*Ctrl-X
*Ctrl+X
*^X
*C-x
In nano, along the bottom of the screen you’ll see ^G Get Help ^O WriteOut.This means that you can use Ctrl-G to get help and Ctrl-O to save yourfile.
Now you’ve written a file. You can take a look at it with less or cat, or open it up again and edit it with nano.Exercise
Open README.txt and add the date to the top of the file and save the file.Solution
Use nano README.txt to open the file.
Add today’s date and then use Ctrl-X followed by y and Enter to save.Writing scripts
A really powerful thing about the command line is that you can write scripts. Scripts let you save commands to run them and also lets you put multiple commands together. Though writing scripts may require an additional time investment initially, this can save you time as you run them repeatedly. Scripts can also address the challenge of reproducibility: if you need to repeat an analysis, you retain a record of your command history within the script.
One thing we will commonly want to do with sequencing results is pull out bad reads and write them to a file to see if we can figure out what’s going on with them. We’re going to look for reads with long sequences of N’s like we did before, but now we’re going to write a script, so we can run it each time we get new sequences, rather than type the code in by hand each time.
We’re going to create a new file to put this command in. We’ll call it bad-reads-script.sh. The sh isn’t required, but using that extension tells us that it’s a shell script.
Bad reads have a lot of N’s, so we’re going to look for NNNNNNNNNN with grep. We want the whole FASTQ record, so we’re also going to get the one line above the sequence and the two lines below. We also want to look in all the files that end with .fastq, so we’re going to use the * wildcard.Custom grep control
We introduced the -v option in the previous episode, now we are using -h to “Suppress the prefixing of file names on output” according to the documentation shown by man grep.
Type your grep command into the file and save it as before. Be careful that you did not add the $ at the beginning of the line.
Raja tamil movie songs free download. Now comes the neat part. We can run this script. Type:
It will look like nothing happened, but now if you look at scripted_bad_reads.txt, you can see that there are now reads in the file.Exercise
We want the script to tell us when it’s done.
*Open bad-reads-script.sh and add the line echo ’Script finished!’ after the grep command and save the file.
*Run the updated script.SolutionMaking the script into a program
We had to type bash because we needed to tell the computer what program to use to run this script. Instead, we can turn this script into its own program. We need to tell it that it’s a program by making it executable. We can do this by changing the file permissions. We talked about permissions in an earlier episode.
First, let’s look at the current permissions.
We see that it says -rw-r--r--. This shows that the file can be read by any user and written to by the file owner (you). We want to change these permissions so that the file can be executed as a program. We use the command chmod like we did earlier when we removed write permissions. Here we are adding (+) executable permissions (+x).
Now let’s look at the permissions again.
Now we see that it says -rwxr-xr-x. The x’s that are there now tell us we can run it as a program. So, let’s try it! We’ll need to put ./ at the beginning so the computer knows to look here in this directory for the program.
The script should run the same way as before, but now we’ve created our very own computer program!
You will learn more about writing scripts in a later lesson.Moving and Downloading Data
So far, we’ve worked with data that is pre-loaded on the instance in the cloud. Usually, however,most analyses begin with moving data onto the instance. Below we’ll show you some commands to download data onto your instance, or to move data between your computer and the cloud.Getting data from the cloud
There are two programs that will download data from a remote server to your local(or remote) machine: wget and curl. They were designed to do slightly differenttasks by default, so you’ll need to give the programs somewhat different options to getthe same behaviour, but they are mostly interchangeable.
*
wget is short for “world wide web get”, and it’s basic function is to download web pages or data at a web address.
*
cURL is a pun, it is supposed to be read as “see URL”, so its basic function is to display webpages or data at a web address.
Which one you need to use mostly depends on your operating system, as most computers willonly have one or the other installed by default.
Let’s say you want to download some data from Ensembl. We’re going to download a very smalltab-delimited file that just tells us what data is available on the Ensembl bacteria server.Before we can start our download, we need to know whether we’re using curl or wget.
To see which program you have, type:
which is a BASH program that looks through everything you haveinstalled, and tells you what folder it is installed to. If it can’tfind the program you asked for, it returns nothing, i.e. gives you noresults.
On Mac OSX, you’ll likely get the following output:
This output means that you have curl installed, but not wget.
Once you know whether you have curl or wget, use one of thefollowing commands to download the file:
or
Since we wanted to download the file rather than just view it, we used wget withoutany modifiers. With curl however, we had to use the -O flag, which simultaneously tells curl todownload the page instead of showing it to us and specifies that it should save thefile using the same name it had on the server: species_EnsemblBacteria.txt
It’s important to note that both curl and wget download to the computer that thecommand line belongs to. So, if you are logged into AWS on the command line and executethe curl command above in the AWS terminal, the file will be downloaded to your AWSmachine, not your local one.Moving files between your laptop and your instance
What if the data you need is on your local computer, but you need to get it into thecloud? There are also several ways to do this, but it’s always easierto start the transfer locally. This means if you’re typing into a terminal, the terminalshould not be logged into your instance, it should be showing your local computer. If you’reusing a transfer program, it needs to be installed on your local machine, not your instance.Transferring Data Between your Local Machine and the Cloud
These directions are platform specific, so please follow the instructions for your system:
Please select the platform you wish to use for the exercises: Uploading Data to your Virtual Machine with scp
scp stands for ‘secure copy protocol’, and is a widely used UNIX tool for moving filesbetween computers. The simplest way to use scp is to run it in your local terminal,and use it to copy a single file:
Note that you are always running scp locally, but that doesn’t mean thatyou can only move files from your local computer. In order to move a file from your local computer to an AWS instance, the command would look like this:
To move it back to your local computer, you re-order the to and from fields:How To Edit Shell ScriptUploading Data to your Virtual Machine with scp
Open the terminal and use the scp command to upload a file (e.g. local_file.txt) to the dcuser home directory:Downloading Data from your Virtual Machine with scp
Let’s download a text file from our remote machine. You should have a file that contains bad reads called ~/shell_data/scripted_bad_reads.txt.
Tip: If you are looking for another (or any really) text file in your home directory to use instead, try:
Download the bad reads file in ~/shell_data/scripted_bad_reads.txt to your home ~/Download directory using the following command (make sure you substitute dcuser@ip.address with your remote login credentials):Linux Shell Editor For Windows
Remember that in both instances, the command is run from your local machine, we’ve just flipped the order of the to and from parts of the command.Uploading Data to your Virtual Machine with PSCP
If you’re using a PC, we recommend you use the PSCP program. This program is from the same suite oftools as the PuTTY program we have been using to connect.
*If you haven’t done so, download pscp from http://the.earth.li/~sgtatham/putty/latest/x86/pscp.exe
*Make sure the PSCP program is somewhere you know on your computer. In this case,your Downloads folder is appropriate.
*Open the windows PowerShell;go to your start menu/search enter the term ‘cmd’; you will be able to start the shell(the shell should start from C:Usersyour-pc-username>).
*Change to the Downloads directory:
*Locate a file on your computer that you wish to upload (be sure you know the path). Then upload it to your remote machine (you will need to know your AMI instance address (which starts with ec2), and login credentials). You will be prompted to enter a password, and then your upload will begin. (make sure you substitute ‘your-pc-username’ for your actual pc username and ‘ec2-54-88-126-85.compute-1.amazonaws.com’ with your AMI instance address)Downloading Data from your Virtual Machine with PSCP
*Follow the instructions in the Upload section to download (if needed) and access the PSCP program (steps 1-3)
*Download the text file using the following command (make sure you substitute ‘your-pc-username’ for your actual pc username and ‘ec2-54-88-126-85.compute-1.amazonaws.com’ with your AMI instance address)Windows Shell Script TutorialKey PointsWindows Shell Script Commands
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Scripts are a collection of commands executed together.
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Transferring information to and from virtual and local computers.
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