terse

@ECHO OFF
(mshta "javascript:with(new ActiveXObject('Scripting.FileSystemObject')){GetStandardStream(1).Write(GetStandardStream(0).readall().replace(/(\,)+/g,'$1'));close()}"|more)<a.txt>b2.txt
pause
复制代码

terse

回复 7# xudaweb

假设文本里含连续62个 ","
第一次循环每8个替换成一个 "," 替换后为13个连续 ","
第二次循环每4个替换成一个 "," 替换后为4个连续 ","
第三次循环每2个替换成一个 "," 替换后为2个连续 ","
第四次循环每2个替换成一个 "," 最终为1个  ","