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 …

Jan 27, 2017 · I realize you said “read the bash man pages” but at first, I thought you meant read the man pages within bash. At any rate, man bash returns a huge file, which is 4139 lines (72 …

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? …

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?

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 …

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, …

Aug 9, 2009 · bash: !\x22: event not found One more alternative: this allows mixed expansion and non-expansion all within the same bash string Here is another demo of an alternative escaping …

In shell scripts, when do we use {} when expanding variables? For example, I have seen the following:

Jun 2, 2011 · Instead, Bash functions work like shell commands and expect arguments to be passed to them in the same way one might pass an option to a shell command (e.g. ls -l). In …

Mar 6, 2020 · 5 All BASH options for if-clauses can be found under the section CONDITIONAL EXPRESSIONS of the documentation (man bash). Quoting it: -d file True if file exists and is a …