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dualbus/komander

Created January 9, 2015 07:48
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komander
#!/bin/bash
shopt -s extdebug extglob
k0ud3() {
local cmd=$1
case $cmd in
+([[:digit:]])@([*+/-])+([[:digit:]])):;;
*)! :;;
esac && eval echo "$(($cmd))"
}
trap 'k0ud3 "$BASH_COMMAND"; ! :' DEBUG
@izabera
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izabera commented Jan 10, 2015

k0ud3() (echo $(($*))) 2>/dev/null

@izabera
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izabera commented Jan 10, 2015

shopt -s extdebug; trap '(echo $((BASH_COMMAND))) 2>/dev/null; ! :' DEBUG ^_^

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