[文本处理] 批处理如何将TXT中提取字符串每两个字符增加一个冒号并输出指定格式？

@echo off
for /f %%a in (1.txt) do (
	set str=%%a
	for /l %%b in (0 2 14) do (
		call set /p=%%str:~%%b,2%%<nul
		if %%b neq 14 set /p=:<nul
	)
	echo.
)
pause
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@echo off
for /f %%a in (1.txt) do (
	set str=%%a
	for /l %%b in (0 2 14) do (
		call set /p=%%str:~%%b,2%%<nul
		if %%b neq 14 (set /p=:<nul) else (set /p=,<nul)
	)
)
pause
复制代码

@echo off
(for /f %%a in (1.txt) do (
        set str=%%a
        for /l %%b in (0 2 14) do (
                call set /p=%%str:~%%b,2%%<nul
                if %%b neq 14 (set /p=:<nul) else (set /p=,<nul)
        )
))>~tmp
for /f %%a in (~tmp) do set str=%%a
del ~tmp
echo %str:~0,-1%
pause
复制代码