knowledge/awesome-cheatsheets
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Merge pull request #256 from rparwaiz/patch-4

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Update bash.sh
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Julien Le Coupanec 2021-12-12 22:46:08 +01:00 committed by GitHub
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languages/bash.sh
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@ -223,6 +223,8 @@ declare -F # displays function names without definitions
declare -i # the variables are treated as integers
declare -r # makes the variables read-only
declare -x # marks the variables for export via the environment
declare -l # uppercase values in the variable are converted to lowercase
declare -A # makes it an associative array
${varname:-word} # if varname exists and isn't null, return its value; otherwise return word
${varname:word} # if varname exists and isn't null, return its value; otherwise return word
@ -248,6 +250,7 @@ ${#varname} # returns the length of the value of the variable a
$(UNIX command) # command substitution: runs the command and returns standard output
typeset -l <x> # makes variable local - <x> must be an interger
##############################################################################
# FUNCTIONS