Get number of subdirs in dir path: Difference between revisions
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== Description == | == Description == | ||
This script gets the number of sub dirs in a directory path (string) | This script gets the number of sub dirs in a directory path (string) | ||
This is useful in conjunction with the [ | This is useful in conjunction with the [[Uninstall all dirs and subdirs created by your installer]] function. | ||
== Usage == | == Usage == | ||
Revision as of 04:16, 17 April 2010
| Author: Afrow UK (talk, contrib) |
Description
This script gets the number of sub dirs in a directory path (string) This is useful in conjunction with the Uninstall all dirs and subdirs created by your installer function.
Usage
Push $INSTDIR #input Call SubdirsAmount Pop $R0 ;number of subdirs in $INSTDIR
The Function
Function SubdirsAmount Exch $R0 ;input string Push $R1 Push $R2 Push $R3 Push $R4 StrCpy $R1 0 StrLen $R2 $R0 loop: IntOp $R1 $R1 + 1 StrCpy $R3 $R0 1 -$R1 StrCmp $R1 $R2 exit StrCmp $R3 "\" 0 loop IntOp $R4 $R4 + 1 Goto loop exit: StrCpy $R0 $R4 Pop $R4 Pop $R3 Pop $R2 Pop $R1 Exch $R0 ;output FunctionEnd
Created for tderouin after this topic on the NSIS Forums.
-Stu
