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awk sed 大全

...print $0 "\n"}' passwd  #awk '1;{print ""}' passwd  #awk 'BEGIN{ORS="\n\n"};1' passwd  #awk 'BEGIN{ORS="\n\n"};{print}' passwd2. 每行后面增加两行空行    #sed 'G;G' passwd #awk '{print $0 "\n\n"}' passwd #awk '1;{print "\n"}' passwd #awk 'NR...