지정한 여러 파이썬 쉘의 결과를 vimdiff 로 비교

run_diff.sh

#!/bin/sh

INTERPRETERS=( python2.5 python2.7 python3.4 )

if [ 1 -eq $# ]; then
    script_path=$1

    tempfiles=()
    for interpreter in ${INTERPRETERS[@]}; do
        tempfile=`mktemp -t ""`
        $interpreter $script_path >$tempfile 2>&1
        tempfiles+=($tempfile)
    done

    vimdiff ${tempfiles[@]}

    for tempfile in ${tempfiles[@]}; do
        rm $tempfile
    done

    exit 0
else
    echo "usage> $0 <python-script-path>"
    exit 1
fi

sample.py

import sys
print(sys.version)
major_version = sys.version_info[0]

for i in range(1, 10):
    print('{} * {} = {}'.format(i, major_version, major_version * i))