Get last part and rest of string: Difference between revisions
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This function has a bug, if it is fed an empty input string it goes into an infinite loop. | |||
{{PageAuthor|Afrow UK}} | {{PageAuthor|Afrow UK}} | ||
Revision as of 05:25, 14 July 2007
This function has a bug, if it is fed an empty input string it goes into an infinite loop.
| 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.
Usage
Push " " ; divider char Push "hello my" ; input string Call GetLastPart Pop $R1 ; last part "my" Pop $R0 ; first part "hello"
The Function
Function GetLastPart Exch $R0 ; input Exch Exch $R1 ; character Push $R2 Push $R3 Push $R4 StrCpy $R2 0 StrLen $R4 $R0 Loop: IntOp $R2 $R2 - 1 StrCpy $R3 $R0 1 $R2 StrCmp $R3 $R1 Chop StrCmp $R2 -$R4 0 Loop StrCpy $R0 "" StrCpy $R1 "" Goto Done Chop: StrCpy $R1 $R0 $R2 IntOp $R2 $R2 + 1 StrCpy $R0 $R0 "" $R2 Done: Pop $R4 Pop $R3 Pop $R2 Exch $R1 ; before Exch Exch $R0 ; after FunctionEnd
