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xuyuji9000/define-my-own-pre-increment-unary-function.sh

Last active July 12, 2021 00:30
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define-my-own-pre-increment-unary-function.sh
# This shell file used for practice the learning from the following link:
# - https://blog.dnmfarrell.com/post/bash-function-names-can-be-almost-anything/
function ++ { (( $1++ )); }
a=1
++ a
echo $a
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xuyuji9000 commented Jul 12, 2021 •
edited

This snippet demonstrate the usage of arithmetic in bash.

#!/bin/bash
a=1
(( a++ ))
echo $a

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