Introduction
This repository runs a shell script and displays the contents using a here document as input for a while statement.
Commands that need to be installed
- git
Quickstart
If you have already installed the above command, run the following command to download it from the repository, then change the directory and run the shell script to display the string given in the here document.
ubuntu
Output results
echo "hello awk command world" | awk '{print $4}'macos
MacPorts
Output results
echo "hello awk command world" | awk '{print $4}'windows
WSL2
Output results
echo "hello awk command world" | awk '{print $4}'MSYS2 MINGW64
Output results
echo "hello awk command world" | awk '{print $4}'Procedure
ubuntu
Click to open details
Advance confirmation
Enter the following command into the terminal and if command not found does not appear, it is OK.
preinstall
Please install the command that shows “command not found” in the terminal using the following command.
command
Executing the following command in the terminal should output a string similar to the following:
Detail
echo "hello awk command world" | awk '{print $4}'macos
Click to open details
Advance confirmation
Enter the following command into the terminal and if command not found does not appear, it is OK.
*MacOS uses the MacPorts package manager to manage commands. If you haven’t installed it yet, please refer to the MacPorts installation instructions at the link below. Also, set an alias for the command so that you can call the command without conflicting with the existing environment. If you are using this blog for the first time, please refer to the following two articles to set up your environment.
preinstall
If the command not found appears in the terminal, install it using the following command and set an alias.
command
Executing the following command in the terminal should output a string similar to the following:
Detail
echo "hello awk command world" | awk '{print $4}'windows
Click to open details
Advance confirmation
Enter the following command into the prompt and if command not found does not appear, it’s OK.
WSL2
MSYS2 MINGW64
*Windows has been confirmed to work with WSL2 and MSYS2 MINGW64. Please install WSL2 if possible, and if you are unable to set it up, you can run it by installing MSYS2, but there may be some commands that can only be run in WSL2. Please refer to the following article for instructions on how to install WSL2 and MSYS2.
preinstall
If the command not found appears in the prompt, please install it using the following command.
WSL2
MSYS2 MINGW64
command
By executing the following command at the prompt, you should get the following output:
WSL2
Detail
echo "hello awk command world" | awk '{print $4}'MSYS2 MINGW64
Detail
echo "hello awk command world" | awk '{print $4}'Afterword
As in the code below, even if you do not enclose the done << ‘EOF’ part in single quotes (‘), an error will not occur. However, be aware that $4 will be expanded to a blank space.