bash - Shell equality operators (=, ==, -eq) - Stack Overflow
If not quoted, it is a pattern match! (From the Bash man page: "Any part of the pattern may be quoted to force it to be matched as a string."). Here in Bash, the two statements yielding "yes" are pattern …
Shell scripting: -z and -n options with if - Unix & Linux Stack Exchange
Jan 16, 2014 · You can find a very nice reference for bash's [ aka test builtin's operators here, or by running help test in a bash shell or info bash test or info bash '[' from any shell¹. If you are using a …
bash - How do I add environment variables? - Ask Ubuntu
Aug 27, 2011 · To set an environment variable once, use the export command in the prompt, not in a shell script: $ export THEVAR=/example The variable will be set for the rest of the shell session or …
shell - Difference between sh and Bash - Stack Overflow
When writing shell programs, we often use /bin/sh and /bin/bash. I usually use bash, but I don't know what's the difference between them. What's the main difference between Bash and sh? What do we ...
bash - How do I remove a directory and all its contents? - Unix & Linux ...
In bash all I know is that rmdir directoryname will remove the directory but only if it's empty. Is there a way to force remove subdirectories?
Bash Script : what does #!/bin/bash mean? - Stack Overflow
Dec 14, 2012 · 21 In bash script, what does #!/bin/bash at the 1st line mean ? In Linux system, we have shell which interprets our UNIX commands. Now there are a number of shell in Unix system. Among …
bash - How to run .sh on Windows Command Prompt? - Stack Overflow
Oct 23, 2014 · Bash, and the sh command, is installed with Git4Windows if you select the 'Install Bash' install option.
What does 'set -e' mean in a Bash script? - Stack Overflow
By default, Bash does not do this. This default behavior is exactly what you want if you are using Bash on the command line you don't want a typo to log you out! But in a script, you really want the …
Make a Bash alias that takes a parameter? - Stack Overflow
Aug 20, 2011 · I used to use CShell (csh), which lets you make an alias that takes a parameter. The notation was something like alias junk="mv \\!* ~/.Trash" In Bash, this does not seem to work. Given …
bash - Writing outputs to log file and console - Stack Overflow
Aug 27, 2013 · In Unix shell, I have a env file (env file defines the parameters required for running the user script like log file name and path, redirect outputs and errors to log file, database connection deta...