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sed "s/\(..\)....\(.*\)/\1\*\*\*\*\2/" a.txt
Originally posted by HAT at 2008-7-16 10:10 AM: sed "s/\(..\)....\(.*\)/\1\*\*\*\*\2/" a.txt
sed -r -i 'h;s/(.).{1,5}(.*)/\1\2/;x;s/(.{6}).*/\1/;s/.//;:a;/./{s/.//;x;s/(.)/\1*/;x;ba};x;' test.txt
sed '{s/./*/2;s/./*/3;s/./*/4;s/./*/5;s/./*/6;}' urfile
Originally posted by HAT at 2008-7-17 17:12: CU有人给出了一个简洁的方法 sed '{s/./*/2;s/./*/3;s/./*/4;s/./*/5;s/./*/6;}' urfile
Originally posted by HAT at 2008-7-17 05:12 PM: CU有人给出了一个简洁的方法 sed '{s/./*/2;s/./*/3;s/./*/4;s/./*/5;s/./*/6;}' urfile