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Windows .cmd script hints

Windows .cmd script hints

2012-05-26

Ensuring command extensions are active

set DUMMY=Dummy
if not !DUMMY!==Dummy cmd.exe /e:on /v:on /c %0 %1 %2 %3 %4 %5 %6 %7 %8 %9
if not !DUMMY!==Dummy goto end                                         

rem do much work

:end
 

Parameter %0-%9 and variable %foo expansion functions

Most of these ~ functions can be combined.

%~1

Expands %1, removes surrounding quotes (")

 

%~f1

Expands %1 to a fully qualified pathname

 

%~d1

Expands %1 to a drive letter only

 

%~p1

Expands %1 to a path only

 

%~n1

Expands %1 to a filename only

 

%~x1

Expands %1 to a file extension only

 

%~s1

Changes the meaning of n and x options to reference the short name instead.

 

%~$PATH:1

Searches the directories listed in the PATH environment variable and expands %1 to the fully qualified name of the first one found or empty string if nothing found.

 

%~a1

Expands %1 to the file's attributes

 

%~t1

Expands %1 to the file's date/time

 

%~zl

Expands %1 to the file's size

 

Feel free to play with my sandbox script petest.cmd. 

 

From: IBCL BLog.
Originally posted: 2009-01-16