标题: [转载教程] awk与unix命令等价代码 [打印本页]
作者: Batcher 时间: 2009-4-1 23:15 标题: awk与unix命令等价代码
- cat awk '{print}'
- cat -s awk '{blank = NF == 0 ? ++blank : 0; if (blank <= 1) print;}'
- tac awk '{t[NR] = $0;}END{for (i = NR; i >= 1; i--) print t[i];}'
- grep patten awk '/patten/{print}'
- grep -v patten awk '! /patten/{print}'
- head awk 'NR <= 10 {print}' 24.sh
- head -1 awk '{print; exit; }' 24.sh
- tail awk '{t[n++ % 10] = $0}END{for (i = 0; i < 10; i++) print t[n++ % 10];}'
- tail -1 awk '{t = $0}END{print t}'
- cut -c 10 awk '{print substr($0, 10, 1)}'
- cut -d: -f4 awk -F: '{if (NF > 1) print $4; else print;}'
- tr A-Z a-z awk '{print tolower($0);}' se.sh
- tr a-z A-Z awk '{print toupper($0);}' se.sh
- tr -s ' ' awk '{print gensub(" +", " ", "g")}'
- tr -d '\012' awk '{printf "%s", $0}'
- wc -l awk 'END{printf "% 7d\n", NR-1}'
- uniq awk '{if (NR == 1 || ln != $0) print; ln = $0;}'
- rev awk '{l = ""; for (i = length($0); i > 0; i--) printf "%c", substr($0, i, 1); print "";}'
- basename awk -F'/' '{print $NF}'
- dirname awk -F'/' '{if (NF <= 1) printf "."; else {OFS="/"; $NF=""; printf "%s", substr($0, 1, length($0) - 1);}}'
- xargs awk '{printf "%s ", $0}END{print}'
- paste -sd: awk 'NR > 1{printf ":%s", $0}'
- cat -n awk '{printf "% 6d %s\n", NR, $0}'
- grep -n awk '/ss/{print NR":"$0}'
- cp orig new awk '{print > "new"}' orig
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原文地址:http://bbs.chinaunix.net/viewthread.php?tid=316482
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