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From "Lars Monsees" <>
Subject RE: HelpStudioAnt (was: "AW: failure notice")
Date Mon, 20 Nov 2006 16:27:17 GMT

Anyone who could help me here?

> Hello,
> I did some work on this problem I have with command line arguments:
>>>>> 3)
>>>>> One remaining problem is that command line arguments are
>>>>> automatically escaped via " if they contain spaces. Now it is
>>>>> possible that a to be compiled booklet has a space in it so the
>>>>>   appropriate command line would look like this: helpstudio2.exe
>>>>> /bk="just a test" projectfile.hsp Unfortunately, when I pass the
>>>>> option as /bk=just a test it gets converted to "/bk=just a test"
>>>>> or /bk="just a test" gets converted to '/bk="just a test"' and
>>>>> HelpStudio doesn´t recognize these.
>>>> Who is escaping? Or is it just inside the debug log?
>> Hello to the wacky world of command line args in windows.
>> There are four levels of processing.
>> 1) WIN32:CreateProcess this take in one string as a command line
>>    splits into an executable and a list of command line arguments.
>>    so it needs to handle " and ' to allow directories with spaces
>> be seen as one arg. 2)  java.lang.ProcessImpl this "normalizes" an
>>     array of arguments into a single string, if an argument
>>     a space, the argument is quoted with a " (unless it is already
>> "quoted"). 3)
>>     - this is only called on <arg line="a b c"/>, I think
>> 4) the executable itself (or the C wrapper - in cygwin land).
> Now, my task constructs the correct escaped String and when I use
> on the windows command line it works without problems. However, when
> use this...
>    private static final String HS_CMD_LINE = "helpstudio2.exe";
>    [...]
>    cmd.setExecutable(path + HS_CMD_LINE);
>    cmd.addArguments((String[]) lArgs.toArray(new
> String[lArgs.size()]));
>    Output of cmd.toString():
>       C:\Programme\Innovasys\HelpStudio2\bin\helpstudio2.exe /s
> /bk="te st" "C:\1temp\helpstudioant\te st\test.hsp"
> ...HelpStudio throws an exception. This probably means, that /bk="te
> st" was converted to '/bk="te st"' so HelpStudio thinks that the
> project file is used twice.
> I´m in contact with Innovasys to see if they can change the way
> command line arguments are used in HelpStudio. Though, I would like
> know if there is a way to solve this problem by myself or if there
> no such way.
> Any suggestions are welcome =)
> Lars
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