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anhui1117 ·¢±íÓÚ 2007-12-6 21:27

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Ò»¸öÎļþ100ÐУ¬Ã¿¸ô20ÐУ¬Ôö¼ÓÒ»ÐÐ sleep 2  &   Ôõô°ì°¡£¿ ¸÷λ´óϺ°ï°ïæ°¢£¡

li-jiahuan ·¢±íÓÚ 2007-12-6 23:03

[code]
awk -v str='sleep 2  &' '{ print $0; if (NR % 20 == 0) { print str } }' your_file
»ò
cat your_file | while read line; do echo $line; ((++i % 20 == 0)) && echo 'sleep 2  &'; done
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perl -lne ' print $_ . ( $. % 20  ? "" : "\nsleep 2  &" ) ' your_file
[/code]:)

ArchieYao ·¢±íÓÚ 2007-12-9 16:03

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sed 'n;..(ÕâÀïÖØ¸´20´În;)..;i \sleep 2  &'  yourfile

:D

[[i] ±¾Ìû×îºóÓÉ ArchieYao ÓÚ 2007-12-9 16:05 ±à¼­ [/i]]

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