
CODE: [Copy to clipboard]不太明白HAT所说的>a.txt echo 3721这样写是为了避免行尾出现多余的空格?C:\>>file echo 3721
C:\>for /F "delims=" %I in (file) do @echo "%I"
"3721 "
C:\>echo 3721 >file
C:\>for /F "delims=" %I in (file) do @echo "%I"
"3721 "
C:\>echo 3721>file
C:\>for /F "delims=" %I in (file) do @echo "%I"
"3721"
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