LineSum: Difference between revisions
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m (Updated by user: Instructor (talk, contrib).) |
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{ | {{PageAuthor|Instructor}} | ||
{{User:Instructor/Headers/Template}} | |||
== | == Function Description== | ||
<highlight-nsis> | |||
<highlight-nsis> | |||
____________________________________________________________________________ | ____________________________________________________________________________ | ||
| Line 16: | Line 11: | ||
____________________________________________________________________________ | ____________________________________________________________________________ | ||
Thanks Afrow UK (Based on his Function "LineCount") | Thanks Afrow UK (Based on his idea of Function "LineCount") | ||
| Line 31: | Line 26: | ||
Note: | Note: | ||
-Error flag if input file isn't exists | -Error flag if input file isn't exists | ||
</highlight-nsis> | |||
Example: | <b>Example:</b> | ||
Section | <highlight-nsis>Section | ||
${LineSum} "C:\a.log" $R0 | ${LineSum} "C:\a.log" $R0 | ||
; $R0="54" | ; $R0="54" | ||
SectionEnd | SectionEnd | ||
</highlight-nsis> | |||
== Function Code == | |||
<highlight-nsis> | |||
Function LineSum | Function LineSum | ||
!define LineSum `!insertmacro LineSumCall` | !define LineSum `!insertmacro LineSumCall` | ||
| Line 80: | Line 77: | ||
</highlight-nsis> | </highlight-nsis> | ||
[[ | [[Category:Text Files Manipulation Functions]] | ||
Latest revision as of 11:30, 30 November 2005
| Author: Instructor (talk, contrib) |
Page for NSIS 2.07 and below users
You can use the latest version of headers (recommended) or the following function code (put the function code in your script before calling it)
Function Description
____________________________________________________________________________
LineSum
____________________________________________________________________________
Thanks Afrow UK (Based on his idea of Function "LineCount")
Get sum of lines in text file.
Syntax:
${LineSum} "[File]" $var
"[File]" ; Input file
$var ; Result: Sum of lines
Note:
-Error flag if input file isn't exists
Example:
Section ${LineSum} "C:\a.log" $R0 ; $R0="54" SectionEnd
Function Code
Function LineSum !define LineSum `!insertmacro LineSumCall` !macro LineSumCall _FILE _RESULT Push `${_FILE}` Call LineSum Pop ${_RESULT} !macroend Exch $0 Push $1 Push $2 ClearErrors IfFileExists $0 0 error StrCpy $2 0 FileOpen $0 $0 r IfErrors error FileRead $0 $1 IfErrors +3 IntOp $2 $2 + 1 Goto -3 FileClose $0 StrCpy $0 $2 goto end error: SetErrors StrCpy $0 '' end: Pop $2 Pop $1 Exch $0 FunctionEnd
