Search for text in file
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Author: Afrow UK (talk, contrib) |
Description
This function will search in a file for the specified string, and return some values.
Changes: 13th January 2006 - Added ClearErrors (thanks Jenner Modesto) 13th July 2007 - Re-written. 15th December 2015 - Added functionallity for specific occurance line print
Usage
Push C:\temp1.txt Push hello Push 1 # line should be displayed for occurance number of the searched string, if empty string is passed or 0 the last occurance will be displayed Call FileSearch Pop $2 # the line number the string was found for specified occurance number Pop $0 #Number of times found throughout Pop $1 #Number of lines found on StrCmp $0 0 +2 MessageBox MB_OK "$\"hello$\" string was found in the file $0 times on $1 lines and the first line was $2"
The Function
Function FileSearch Pop $7 ;~~~~Piotrek occurance numberw Exch $R0 ;search for Exch Exch $R1 ;input file Push $R2 Push $R3 Push $R4 Push $R5 Push $R6 Push $R7 Push $R8 Push $R9 StrLen $R4 $R0 StrCpy $R7 0 StrCpy $R8 0 ;~~~~Piotrek start StrCpy $9 0 ${If} $7 == "" StrCpy $7 0 ; occurence number user specified ${EndIf} ;~~~~Piotrek end ClearErrors FileOpen $R2 $R1 r IfErrors Done LoopRead: ClearErrors FileRead $R2 $R3 IfErrors DoneRead IntOp $9 $9 + 1 ;Piotrek IntOp $R7 $R7 + 1 StrCpy $R5 -1 StrCpy $R9 0 LoopParse: IntOp $R5 $R5 + 1 StrCpy $R6 $R3 $R4 $R5 StrCmp $R6 "" 0 +4 StrCmp $R9 1 LoopRead IntOp $R7 $R7 - 1 Goto LoopRead StrCmp $R6 $R0 0 LoopParse StrCpy $R9 1 IntOp $R8 $R8 + 1 ;~~~~Piotrek start ${If} $R8 == $7 ;if occurence is specified - outputs a specified occurence if not last occurence is output] StrCpy $0 $9 StrCpy $7 "-1" ${ElseIf} $7 == 0 StrCpy $0 $9 ${EndIf} ;~~~~Piotrek end Goto LoopParse DoneRead: FileClose $R2 Done: StrCpy $R0 $R8 StrCpy $R1 $R7 Pop $R9 Pop $R8 Pop $R7 Pop $R6 Pop $R5 Pop $R4 Pop $R3 Pop $R2 Exch $R1 ;number of lines found on Exch Exch $R0 ;output count found Push $0 ;You need to pop that out after function call as first parameter ````Piotrek FunctionEnd
Written by me again for using with batch / log files.
Stu