001、
(py38) root@DESKTOP-IDT9S0E:/home/test# ls a.txt index.txt record.sh (py38) root@DESKTOP-IDT9S0E:/home/test# cat a.txt ## 测试数据 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 (py38) root@DESKTOP-IDT9S0E:/home/test# cat index.txt ## 列号 2 4 7
(py38) root@DESKTOP-IDT9S0E:/home/test# ls a.txt index.txt record.sh (py38) root@DESKTOP-IDT9S0E:/home/test# cat record.sh ## 程序 #!/bin/bash rm -f temp.txt result.txt for i in $(cat index.txt) do cut -d " " -f $i a.txt | paste -s -d " " >> temp.txt done head -n 1 temp.txt | awk '{print NF}' | xargs seq | while read i do cut -d " " -f $i temp.txt | paste -s -d " " >> result.txt done rm -f temp.txt
(py38) root@DESKTOP-IDT9S0E:/home/test# ls a.txt index.txt record.sh (py38) root@DESKTOP-IDT9S0E:/home/test# bash record.sh ## 执行程序 (py38) root@DESKTOP-IDT9S0E:/home/test# ls a.txt index.txt record.sh result.txt (py38) root@DESKTOP-IDT9S0E:/home/test# cat result.txt ## 提取结果 02 04 07 12 14 17 22 24 27 32 34 37 42 44 47 52 54 57
标签:py38,提取,批量,IDT9S0E,DESKTOP,linux,home,txt,root From: https://www.cnblogs.com/liujiaxin2018/p/17356142.html