awk

gawk "/^tel:151/{print s\"\n\"$0\"\n\"}{s=$0}" a.txt > b.txt
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awk

回复 3# ilovebath

gawk -v RS= "/tel:151/{print $0\"\n\"}" a.txt > b.txt
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awk

回复 5# ilovebath

gawk -v RS= "/tel:151/{print $0}" a.txt | gawk "/site:|tel:|user:/{if($0~/site:/||$0~/tel:/)print $0;if($0~/user:/)print $0\"\n\"}"
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awk

回复 9# ilovebath

gawk --re-interval -v RS= "/tel:.*151.*/{print $0}" a.txt | gawk "/site:|tel:|user:/{if($0~/site:/||$0~/tel:/)print $0;if($0~/user:/)print $0\"\n\"}"
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