Measure average script time execution

average.sh

#!/bin/bash
set -eu

if [ "$#" != 1 ] && [ "$#" != 2 ]; then
	echo "Usage: 
	
	# run 'command' with 5 cycles
	average 'command'
	
	# run 'command' with 3 cycles
	average 3 'command'
	
	# run 'command' with 5 cycles, you can also call 'export CYCLES=5' before call 'average'
	CYCLES=5 average 'command'"
	exit 1
fi

if [ "$#" = 1 ]; then
	cycles=${CYCLES:-5}
	cmd="$1"
fi

if [ "$#" = 2 ]; then
	cycles="$1"
	cmd="$2"
fi

# replace " to \"
cmd=$(echo "$cmd" | sed 's/"/\\"/g')

python -m timeit -n 1 -r ${cycles} -s 'import os' "os.system(\"${cmd}\")"