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  1. bash - Shell equality operators (=, ==, -eq) - Stack Overflow

    It depends on the Test Construct around the operator. Your options are double parentheses, double brackets, single brackets, or test. If you use ((…)), you are testing arithmetic equality …

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

    Sep 27, 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 …

  3. arguments - What is $@ in Bash? - Stack Overflow

    Oct 10, 2010 · I reckon that the handle $@ in a shell script is an array of all arguments given to the script. Is this true? I ask because I normally use search engines to gather information, but I …

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

    What are primaries? I call them "switches", but the bash documentation that you linked to refers to the same thing as "primaries" (probably because this is a common term used when discussing …

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

    An "and" operator for an "if" statement in Bash Asked 12 years, 11 months ago Modified 1 year, 3 months ago Viewed 987k times

  6. 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)?

  7. 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 …

  8. How do I get the directory where a Bash script is located from …

    How do I get the path of the directory in which a Bash script is located, inside that script? I want to use a Bash script as a launcher for another application. I want to change the working directo...

  9. linux - What does 'bash -c' do? - Stack Overflow

    155 Quoting from man bash: -c string If the -c option is present, then commands are read from string. If there are arguments after the string, they are assigned to the positional parameters, …

  10. 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 …