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#!/usr/bin/env bash
CALCULATOR=$(which "bc")
if ! [ -x "$CALCULATOR" ]; then
echo "Basic calculator package (bc - https://www.gnu.org/software/bc/) not found"
exit 1
fi
while test $# -gt 0; do
case "$1" in
--help)
echo "/calc - A basic calculator for Nextcloud Talk based on gnu BC"
echo "See the official documentation for more information:"
echo "https://www.gnu.org/software/bc/manual/html_mono/bc.html"
echo " "
echo "Simple equations: /calc 3 + 4 * 5"
echo "Complex equations: /calc sin(3) + 3^3 * sqrt(5)"
exit 0
;;
*)
break
;;
esac
done
set -f
echo "$@ ="
echo $(echo "$@" | bc)
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