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 …

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...

Modern shells such as Bash and Zsh have inherited this construct from Ksh, but it is not part of the POSIX specification. If you're in an environment where you have to be strictly POSIX compliant, stay …

I found the .bashrc file and I want to know the purpose/function of it. Also how and when is it used?

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 …

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?

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 ...

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 …

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.

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.