LineSum: Difference between revisions
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Instructor (talk | contribs) No edit summary |
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== Links == | == Links == | ||
; Latest version of headers "nsh.zip": | ; Latest version of headers "nsh.zip": | ||
: http://forums.winamp.com/showthread.php?s=&threadid=203228&goto=lastpost | : http://forums.winamp.com/showthread.php?s=&threadid=203228&goto=lastpost | ||
If a function is used without | If a function is used without header, put the function code in your script before calling it. | ||
== The Function == | == The Function Description== | ||
<highlight-nsis> | |||
<highlight-nsis> | |||
____________________________________________________________________________ | ____________________________________________________________________________ | ||
| Line 14: | Line 16: | ||
____________________________________________________________________________ | ____________________________________________________________________________ | ||
Thanks Afrow UK (Based on his Function "LineCount") | Thanks Afrow UK (Based on his idea of Function "LineCount") | ||
| Line 29: | Line 31: | ||
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> | |||
== The Function Code== | |||
<highlight-nsis> | |||
Function LineSum | Function LineSum | ||
!define LineSum `!insertmacro LineSumCall` | !define LineSum `!insertmacro LineSumCall` | ||
Revision as of 14:25, 4 July 2005
| Author: Instructor (talk, contrib) |
Links
- Latest version of headers "nsh.zip"
- http://forums.winamp.com/showthread.php?s=&threadid=203228&goto=lastpost
If a function is used without header, put the function code in your script before calling it.
The 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 ; $R0="54" SectionEnd
The Function Code
Function LineSum !define LineSum `!insertmacro LineSumCall` !macro LineSumCall _FILE _RESULT Push `${_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
