题目内容
将输入中以s开头且以任意顺序包含e和t的单词用[]括起来$ echo 'sequoia subtle exhibit asset sets tests site' | awk '____________________'sequoia [subtle] exhibit asset [sets] tests [site]
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将输入中以a或r结尾的单词后面的空格替换为换行符$ echo 'area not a _a2_ roar took 22' | awk '____________________'areanot a_a2_ roartook 22
将输入中的[4]|*全部替换为2$ echo '2.3/[4]|*6 foo 5.3-[4]|*9' | awk '____________________'2.3/26 foo 5.3-29
打印所有以hand开头且其后为空或以s、y或le结尾的行$ echo -e 'handed\nhand\nhandy\nunhand\nhands\nhandle' | awk '____________________'handhandyhandshandle
将输入中的42//5或42/5全部替换为8$ echo 'a+42//5-c pressure*3+42/5-14256' | awk '____________________'a+8-c pressure*3+8-14256
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