Delete lines from one line to another line inclusive

From NSIS Wiki

Author: Afrow UK (talk, contrib)


Description

This function deletes lines from a line (including that line) to another line (also including that line)

Usage

Push "$EXEDIR\file.ext" ;file 
Push "start line$\r$\n" ;line to start deleting from 
Push "finish line$\r$\n" ;line to stop deleting at

The Function

Function RemoveAfterLine
 Exch $1 ;end string
 Exch
 Exch $2 ;begin string
 Exch 2
 Exch $3 ;file
 Exch 2
 Push $R0
 Push $R1
 Push $R2
 Push $R3
  GetTempFileName $R2
  FileOpen $R1 $R2 w
  FileOpen $R0 $3 r
  ClearErrors
  FileRead $R0 $R3
  IfErrors Done
  StrCmp $R3 $2 +3
  FileWrite $R1 $R3
  Goto -5
  ClearErrors
  FileRead $R0 $R3
  IfErrors Done
  StrCmp $R3 $1 +4 -3
  FileRead $R0 $R3
  IfErrors Done
  FileWrite $R1 $R3
  ClearErrors
  Goto -4
Done:
   FileClose $R0
   FileClose $R1
   SetDetailsPrint none
   Delete $3
   Rename $R2 $3
   SetDetailsPrint both
 Pop $R3
 Pop $R2
 Pop $R1
 Pop $R0
 Pop $3
 Pop $2
 Pop $1
FunctionEnd

This function was created for Victor B. Gonzalez (vbgunz) after this topic. -Stu

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