Get last part and rest of string: Difference between revisions
From NSIS Wiki
Jump to navigationJump to search
(→Usage) |
No edit summary |
||
| Line 1: | Line 1: | ||
{{PageAuthor|Afrow UK}} | {{PageAuthor|Afrow UK}} | ||
== Description == | == Description == | ||
This function returns the last part of a string after a certain character and the rest of the string before that character. If the character is not found within the string, then the function returns two empty strings. | This function returns the last part of a string after a certain character and the rest of the string before that character. If the character is not found within the string, then the function returns two empty strings. | ||
'''14th July 2007''': Fixed infinite loop on empty string. | |||
== Usage == | == Usage == | ||
Revision as of 12:41, 14 July 2007
| Author: Afrow UK (talk, contrib) |
Description
This function returns the last part of a string after a certain character and the rest of the string before that character. If the character is not found within the string, then the function returns two empty strings.
14th July 2007: Fixed infinite loop on empty string.
Usage
Push "o " ; divider str Push "hello my" ; input string Call GetLastPart Pop $R1 ; last part "my" Pop $R0 ; first part "hell"
The Function
Function GetLastPart Exch $R0 ; input Exch Exch $R1 ; divider str Push $R2 Push $R3 Push $R4 Push $R5 StrCpy $R2 -1 StrLen $R4 $R0 StrLen $R5 $R1 Loop: IntOp $R2 $R2 + 1 StrCpy $R3 $R0 $R5 $R2 StrCmp $R3 $R1 Chop StrCmp $R2 $R4 0 Loop StrCpy $R0 "" StrCpy $R1 "" Goto Done Chop: StrCpy $R1 $R0 $R2 IntOp $R2 $R2 + $R5 StrCpy $R0 $R0 "" $R2 Done: Pop $R5 Pop $R4 Pop $R3 Pop $R2 Exch $R1 ; before Exch Exch $R0 ; after FunctionEnd
