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コマンドラインの where コマンドが無いときの代替スクリプト

Python
command

Posted at 2022-06-14

#!/usr/bin/env python3
import os, sys
len(sys.argv) < 2 and sys.exit(print('Usage: where file [file...]') or 1)
x = list(filter(lambda q: os.access(q, os.X_OK),
                [p + '/' + n for n in sys.argv[1:]
                 for p in os.environ['PATH'].split(':')]))
len(x) and print('\n'.join(x))

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