
CODE: [Copy to clipboard]请问:findstr /v . test.txt|find /v /c ""
CODE: [Copy to clipboard]可以看到输出的是ECHO haha | (SET /p "BB=" && SET BB)
SET BB

CODE: [Copy to clipboard]要临时文件还是要for,自己取舍吧.@echo off
findstr /v . test.txt|find /v /c "">num.txt
set /p num=<num.txt
del num.txt
echo text.txt中包含的空行数为:%num%
pause
goto :eof
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