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" …

Jul 25, 2017 · Furthermore, when you use bash -c, behavior is different than if you run an executable shell script, because in the latter case the argument with index 0 is the shell …

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 …

Feb 10, 2010 · How do I compare a variable to a string (and do something if they match)?

Aug 1, 2020 · I just typed bash in Ubuntu's terminal and, it was like normal. But after that, I had to type exit twice. What is bash command in bash?

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 …

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.

Sep 30, 2010 · Bash (see conditional expressions) seems to preempt the classic and POSIX meanings for -a and -o with its own alternative operators that take arguments. With some care, …

This answer to Command line command to auto-kill a command after a certain amount of time proposes a 1-line method to timeout a long-running command from the bash command line: ( …

To combine stderr and stdout into the stdout stream, we append this to a command: 2>&1 For example, the following command shows the first few errors from compiling main.cpp: g++ …