Overwrite file line number in text file: Difference between revisions
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[[{{ns:14}}:Text Files Manipulation Functions]] | |||
Revision as of 22:17, 30 April 2005
| Author: Afrow UK (talk, contrib) |
Description
This function overwrites an existing line in a text file with a specified string.
Usage
Push hello Push 24 Push "$INSTDIR\file.txt" Call WriteToFileLine2
The Function
Function WriteToFileLine2 Exch $0 ;file Exch Exch $1 ;line number Exch 2 Exch $2 ;string to write Exch 2 Push $3 Push $4 Push $5 Push $6 Push $7 GetTempFileName $7 FileOpen $4 $0 r FileOpen $5 $7 w StrCpy $3 0 Loop: ClearErrors FileRead $4 $6 IfErrors Exit IntOp $3 $3 + 1 StrCmp $3 $1 0 +3 FileWrite $5 "$2$\r$\n" Goto Loop FileWrite $5 $6 Goto Loop Exit: FileClose $5 FileClose $4 SetDetailsPrint none Delete $0 Rename $7 $0 SetDetailsPrint both Pop $7 Pop $6 Pop $5 Pop $4 Pop $3 Pop $2 Pop $1 Pop $0 FunctionEnd
-Stu
