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  1. 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 …

  2. 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" …

  3. Bash test: what does "=~" do? - Unix & Linux Stack Exchange

    27 jan. 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 …

  4. What's the difference between <<, <<< and < < in bash?

    27 sep. 2015 · What's the difference between <<, <<< and < < in bash? Here document << is known as here-document structure. You let the program know what will be the ending text, and …

  5. bash - Difference between >> and - Unix & Linux Stack Exchange

    In general, in bash and other shells, you escape special characters using \. So, when you use echo foo >\> what you are saying is "redirect to a file called > ", but that is because you are escaping …

  6. What does the -e do in a bash shebang? - Unix & Linux Stack …

    All the bash command line switches are documented in man bash. -e Exit immediately if a pipeline (which may consist of a single simple command), a subshell command enclosed in …

  7. How do I iterate over a range of numbers defined by variables in …

    4 okt. 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?

  8. What do the -n and -a options do in a bash if statement?

    The switches -a and -n are not strictly part of a bash if statement in that the if command does not process these switches. What are primaries? I call them "switches", but the bash …

  9. An "and" operator for an "if" statement in Bash - Stack Overflow

    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 …

  10. How to compare strings in Bash - Stack Overflow

    10 feb. 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 …