
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 …
Difference between ${} and $() in Bash - Stack Overflow
I have two questions and could use some help understanding them. What is the difference between ${} and $()? I understand that () means running command in separate shell and placing $ means passing...
bash - What is the purpose of .bashrc and how does it work? - Unix ...
I found the .bashrc file and I want to know the purpose/function of it. Also how and when is it used?
How to compare strings in Bash - Stack Overflow
Feb 10, 2010 · Bash always seemed backward with numeric evaluations using an operator consisting of a string (-eq) and string comparisons using a numeric operator "==" or "=" just you mess you up. If …
How do I iterate over a range of numbers defined by variables in Bash?
Oct 4, 2008 · Related discusions: bash for loop: a range of numbers and unix.stackexchange.com - In bash, is it possible to use an integer variable in the loop control of a for loop?
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 ...
sh - [: missing `]' in bash script - Stack Overflow
Feb 9, 2016 · A bash function has no line numbers related to the FILE that contains the definition. NOW: The code is stored somewhere internally in the running instance of Bash - does it REALLY require a …
What does 'set -e' mean in a Bash script? - Stack Overflow
74 As per bash - The Set Builtin manual, if -e / errexit is set, the shell exits immediately if a pipeline consisting of a single simple command, a list or a compound command returns a non-zero status.
How to increment a variable in bash? - Ask Ubuntu
Jan 30, 2017 · #!/bin/bash # To focus exclusively on the performance of each type of increment # statement, we should exclude bash performing while loops from the # performance measure.
Understanding the "-p" option to "command" in Bash and its …
Sep 5, 2020 · The command command in bash: Run command with arguments ignoring any shell function named command. The -p option means to use a default value of $PATH that is guaranteed …