Replace text on a file line number: Difference between revisions
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{{PageAuthor|Afrow UK}} | |||
== Description == | == Description == | ||
This function replaces text within a string on a specified line of a text file. | This function replaces text within a string on a specified line of a text file. | ||
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-Stu | -Stu | ||
[[Category:Text Files Manipulation Functions]] | |||
Latest revision as of 13:43, 24 June 2005
| Author: Afrow UK (talk, contrib) |
Description
This function replaces text within a string on a specified line of a text file.
Usage
Push jimbo ;text in line to replace Push fred ;replace with Push 2 ;line to replace on Push "$EXEDIR\blah.txt" ;file to replace in Call ReplaceOnLine
The Function
Function ReplaceOnLine Exch $R0 ;file Exch Exch $R1 ;line Exch 2 Exch $R2 ;replace with Exch 2 Exch 3 Exch $R3 ;string to replace Exch 3 Push $R4 Push $R5 Push $R6 Push $R7 Push $R8 Push $R9 Push $9 FileOpen $R4 $R0 r GetTempFileName $R5 FileOpen $R6 $R5 w Top: FileRead $R4 $R7 IntOp $R8 $R8 + 1 StrCmp $R8 $R1 +3 FileWrite $R6 $R7 Goto Top StrLen $9 $R3 Loop_Top: StrCpy $R8 0 Loop: IntOp $R8 $R8 - 1 StrCpy $R9 $R7 $9 $R8 StrCmp $R9 "" Finish StrCmp $R9 $R3 0 Loop StrCpy $R9 $R7 $R8 IntOp $R8 $R8 + $9 StrCpy $R7 $R7 "" $R8 StrCpy $R7 $R9$R2$R7 detailprint $R7 FileWrite $R6 $R7 Goto Loop_Top Finish: ClearErrors FileRead $R4 $R7 IfErrors +3 FileWrite $R6 $R7 Goto Finish FileClose $R4 FileClose $R6 SetDetailsPrint none Delete $R0 Rename $R5 $R0 SetDetailsPrint both Pop $9 Pop $R9 Pop $R8 Pop $R7 Pop $R6 Pop $R5 Pop $R4 Pop $R3 Pop $R2 Pop $R1 Pop $R0 FunctionEnd
-Stu
