中国DOS联盟

@echo off

for /f %%i in (test.txt) do call :pickup %%i

pause

goto :eof



:pickup

set str=%1

if "%str:~15,1%"=="" (

    echo 19%str:~6,2%-%str:~8,2%-%str:~10,2%

) else (

    echo %str:~6,4%-%str:~10,2%-%str:~12,2%

)

goto :eof

sed -r "/{18}/s/*{6}({4})({2})({2}).*/\1-\2-\3/;t;s/*{6}({2})({2})({2}).*/19\1-\2-\3/" file.txt

Originally posted by 无奈何 at 2007-2-4 13:38:
我也凑个 sed 的，写在一行有点长

sed -r "/{18}/s/*{6}({4})({2})({2}).*/\1-\2-\3/;t;s/*{6}({2})({2})({2}).*/19\1- ... 

sed -r "/{17}/s/*{6}({4})({2})({2}).*/\1-\2-\3/;t;/{17}/d;s/*{6}({2})({2})({2}).*/19\1-\2-\3/" file.txt

Originally posted by 无奈何 at 2007-2-4 14:18:
RE amao

身份证的最后一位 x 是校验位，实际使用的是具体校验数字值，不会出现字符的。
我的脚本没有做容错处理，默认不是 18 位就是 15 位，不过 ...