Created
July 4, 2022 04:01
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bash + awk で経過時間をミリ秒で取得
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| function elapsed_millisec() { | |
| BEFORE=$(date +%s%3N) | |
| eval "${@}" | |
| AFTER=$(date +%s%3N) | |
| awk -v OFMT="%.3f" -v before=${BEFORE} -v after=${AFTER} 'BEGIN { print (after - before) / 1000 }' | |
| } | |
| elapsed_millisec sleep 1.234 |
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