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rndD/shortest_bash_variable.bash

Created March 11, 2015 08:37
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print shortest env variable by key (work only in bash, not sh)
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shortest_bash_variable.bash
for i in `env`; do
key=${i%=*}
[[ -z $short_env ]] && short_env=$key;
[[ ${#key} -lt ${#short_env} ]] && short_env=$key;
done
echo "Shortest env variable: $short_env"
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