Replacing Lines in a Text File

Description

This script will replace every occurrence of the line "line to replace" with the line "replacement of line" in the file called "file.txt".

The Script

ClearErrors
FileOpen $0 "file.txt" "r"
GetTempFileName $R0
FileOpen $1 $R0 "w"
loop:
   FileRead $0 $2
   IfErrors done
   StrCmp $2 "line to replace$\r$\n" 0 +3
      FileWrite $1 "replacement of line$\r$\n"
      Goto loop
   StrCmp $2 "line to replace" 0 +3
      FileWrite $1 "replacement of line"
      Goto loop
   FileWrite $1 $2
   Goto loop
 
done:
   FileClose $0
   FileClose $1
   Delete "file.txt"
   CopyFiles /SILENT $R0 "file.txt"
   Delete $R0

Page author: KiCHiK