请教一个批量删除的问题 - 中国DOS联盟论坛

for /?

In addition, substitution of FOR variable references has been enhanced.
You can now use the following optional syntax:

%~I - expands %I removing any surrounding quotes (")
%~fI - expands %I to a fully qualified path name
%~dI - expands %I to a drive letter only
%~pI - expands %I to a path only
%~nI - expands %I to a file name only
%~xI - expands %I to a file extension only
%~sI - expanded path contains short names only
%~aI - expands %I to file attributes of file
%~tI - expands %I to date/time of file
%~zI - expands %I to size of file
%~$PATH:I - searches the directories listed in the PATH
environment variable and expands %I to the
fully qualified name of the first one found.
If the environment variable name is not
defined or the file is not found by the
search, then this modifier expands to the
empty string

第1楼　dddyjq1	发表于 2008-07-01 23:49
初级用户　发帖 108　积分 175
请教一个批量删除的问题将同一目录下的所有大小为0的.TXT 文件删除,如何写? 先谢了

第2楼　pusofalse	发表于 2008-07-02 00:11
银牌会员　发帖 646　积分 1,604
for %%a in (*.txt) do if %%~za equ 0 del %%~sa

第3楼　dddyjq1	发表于 2008-07-02 01:03
初级用户　发帖 108　积分 175
对,谢了

第4楼　danjiang	发表于 2008-07-02 14:31
初级用户　发帖 45　积分 79
不错，能给解释一下 %%~za是什么意思吗？

第5楼　HAT	发表于 2008-07-02 18:34
版主　发帖 5,017　积分 9,023
for /? In addition, substitution of FOR variable references has been enhanced. You can now use the following optional syntax: %~I - expands %I removing any surrounding quotes (") %~fI - expands %I to a fully qualified path name %~dI - expands %I to a drive letter only %~pI - expands %I to a path only %~nI - expands %I to a file name only %~xI - expands %I to a file extension only %~sI - expanded path contains short names only %~aI - expands %I to file attributes of file %~tI - expands %I to date/time of file %~zI - expands %I to size of file %~$PATH:I - searches the directories listed in the PATH environment variable and expands %I to the fully qualified name of the first one found. If the environment variable name is not defined or the file is not found by the search, then this modifier expands to the empty string

第6楼　tvzml	发表于 2008-07-09 01:10
初级用户　发帖 67　积分 157
for /f %%i in ('dir /b *.txt') do if %%~zi==0 del %%~nxi