how to check input variable is string or number in shell
isHexa () { case "$1" in *[!0-9a-fA-F]*) return 1;; *) return 0;; esac }
if isHexa "$yournumber"
then echo OK
else echo Wrong
fihow to check input variable is string or number in shell
isHexa () { case "$1" in *[!0-9a-fA-F]*) return 1;; *) return 0;; esac }
if isHexa "$yournumber"
then echo OK
else echo Wrong
fiCopyright © 2021 Codeinu
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