Created
September 9, 2020 07:42
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bashではstatを使うよりwc -cでPOSIX準拠にファイルサイズを取得したほうが速かったっぽい
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| $ ls -l test.jpg | |
| -rwxrwxrwx 1 hoge hoge 756448 Sep 9 13:36 test.jpg | |
| $ time ( for i in `seq 10000`; do wc -c test.jpg > /dev/null;done ) | |
| real 0m14.854s | |
| user 0m4.216s | |
| sys 0m4.275s | |
| $ time ( for i in `seq 10000`; do stat -c%s test.jpg > /dev/null;done ) | |
| real 0m18.041s | |
| user 0m4.050s | |
| sys 0m4.676s |
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