linux统计大文件行数的命令效率大对比

2024-03-15 20:12| 来源: 网络整理| 查看: 265

[Administrator@mc-win@/cygdrive/e/SoftWares/Project/log/click/2017-03-17@10:33:49]

517 $ time awk '{print NR}' click.log_2017-03-17T04|tail -n1

116570

real 0m2.535s

user 0m1.499s

sys 0m1.093s

[Administrator@mc-win@/cygdrive/e/SoftWares/Project/log/click/2017-03-17@10:34:11]

518 $ time wc -l click.log_2017-03-17T04

116570 click.log_2017-03-17T04

real 0m19.201s

user 0m17.640s

sys 0m0.078s

[Administrator@mc-win@/cygdrive/e/SoftWares/Project/log/click/2017-03-17@10:34:38]

519 $ time awk 'END{print NR}' click.log_2017-03-17T04

116570

real 0m0.375s

user 0m0.343s

sys 0m0.031s

[Administrator@mc-win@/cygdrive/e/SoftWares/Project/log/cl

【本文地址】

公司简介

联系我们