Set Extension: Difference between revisions
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TrueparuEx (talk | contribs) |
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{{PageAuthor|TrueparuEx}} | |||
== Description == | == Description == | ||
Simple function to set / change file extension. | Simple function to set / change file extension. | ||
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Push ".exe" | Push ".exe" | ||
Push "C:\some dir\some file.txt" | Push "C:\some dir\some file.txt" | ||
Call | Call SetExtension | ||
Pop $R0 ; $R0 = "C:\some dir\some file.exe" | Pop $R0 ; $R0 = "C:\some dir\some file.exe" | ||
</highlight-nsis> | </highlight-nsis> | ||
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Push $R3 | Push $R3 | ||
StrCpy $R3 | StrCpy $R3 0 | ||
trim_loop: | trim_loop: | ||
StrCpy $R2 | IntOp $R3 $R3 + 1 | ||
StrCpy $R2 $R0 1 -$R3 | |||
StrCmp $R2 "\" trim_add | |||
StrCmp $R2 "/" trim_add | |||
StrCmp $R2 "" trim_add | |||
StrCmp $R2 "." 0 trim_loop | |||
StrCpy $R2 $R0 "" -$R3 | |||
StrCmp $R2 $R1 trim_ok | |||
StrCpy $R2 $R0 -$R3 | |||
StrCpy $R0 "$R2$R1" | |||
goto trim_ok | |||
trim_add: | trim_add: | ||
StrCpy $R0 "$R0$R1" | StrCpy $R0 "$R0$R1" | ||
trim_ok: | trim_ok: | ||
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FunctionEnd | FunctionEnd | ||
</highlight-nsis> | </highlight-nsis> | ||
[[Category:Disk, Path & File Functions]] | |||
Latest revision as of 21:40, 22 May 2008
| Author: TrueparuEx (talk, contrib) |
Description
Simple function to set / change file extension.
Usage
Push ".exe" Push "C:\some dir\some file.txt" Call SetExtension Pop $R0 ; $R0 = "C:\some dir\some file.exe"
Function
Function SetExtension Exch $R0 Exch Exch $R1 Push $R2 Push $R3 StrCpy $R3 0 trim_loop: IntOp $R3 $R3 + 1 StrCpy $R2 $R0 1 -$R3 StrCmp $R2 "\" trim_add StrCmp $R2 "/" trim_add StrCmp $R2 "" trim_add StrCmp $R2 "." 0 trim_loop StrCpy $R2 $R0 "" -$R3 StrCmp $R2 $R1 trim_ok StrCpy $R2 $R0 -$R3 StrCpy $R0 "$R2$R1" goto trim_ok trim_add: StrCpy $R0 "$R0$R1" trim_ok: Pop $R3 Pop $R2 Pop $R1 Exch $R0 FunctionEnd
