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  1. bash - What is the purpose of "&&" in a shell command? - Stack …

    Oct 27, 2021 · Furthermore, you also have || which is the logical or, and also ; which is just a separator which doesn't care what happend to the command before.

  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. 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 …

  4. sh - [: missing `]' in bash script - Stack Overflow

    Feb 9, 2016 · The double-brace keyword is a bash expression, and will not work with other POSIX shells, but it has some benefits, as well, such as being able to do these kinds of operations …

  5. How to compare strings in Bash - Stack Overflow

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

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

    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?

  7. 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.

  8. 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 …

  9. 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? …

  10. How to output a multiline string in Bash? - Stack Overflow

    Jun 10, 2012 · How to output a multiline string in Bash? Asked 13 years, 5 months ago Modified 1 year, 7 months ago Viewed 612k times