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MacDOS™ 2.0.0
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extractPath.bat
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DOS Batch File
|
1994-06-30
|
1KB
|
53 lines
@echo off
! extractPath.bat Remove the a file or folder name from a full DOS path
!
! extractPath path [varName]
!
! where 'path' is the full path from which the item name is to be removed
! and 'varName' is a string containing the name of the global variable into
! which the resulting path is to be returned.
!
! Note that no output variable is created if the parameter 'path' does not
! actually contain any path at all (ie. if it is the name of a local file or folder).
! Actually, the variable is removed if it already exists.
!
! Copyright © 1994 by Rainbow Hill Pty Ltd. All rights reserved.
!
! ensure that the first two parameters are there and that the third one is not
set doserr=13
if not "%3 " == " " goto ERR_LBL
if "%1 " == " " goto ERR_LBL
if "%2 " == " " goto ERR_LBL
! extract the name from the full path
set extractPath_name=%1
onerror SKIP_LBL
sstr/e/r extractPath_name "\"
:SKIP_LBL
onerror SKIP2_LBL
sstr/e/r extractPath_name ":"
:SKIP2_LBL
! check whether there is a path
if not "%extractPath_name%" == "%1" goto THERE_IS_LBL
set %2=
set doserr=0
goto DONE_LBL
:THERE_IS_LBL
! copy the full path to a temporary variable and remove from it the name
set extractPath_path=%1
decr extractPath_path by "%extractPath_name%"
set %2=%extractPath_path%
set doserr=0
goto DONE_LBL
:ERR_LBL
show %doserr%
:DONE_LBL
! remove the temporary variables
set extractPath_name=
set extractPath_path=