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Re: Integrating Unix scripting in Cocoa app
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Re: Integrating Unix scripting in Cocoa app


  • Subject: Re: Integrating Unix scripting in Cocoa app
  • From: Craig Hunter <email@hidden>
  • Date: Tue, 07 Aug 2007 16:28:29 -0400

> Message: 10
> Date: Wed, 8 Aug 2007 00:02:29 +1000
> From: Ron Fleckner <email@hidden>
> Subject: Re: Integrating Unix scripting in Cocoa app
> To: Sherm Pendley <email@hidden>
> Cc: Cocoa Dev <email@hidden>
> Message-ID: <email@hidden>
> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>
> OK, "launch path not accessible" in the run log. I take back
> everything I said.  Obviously I need to rethink this.  I would like
> the user to be able to include a script file without having to make
> it executable.  Earlier, I had a look to see if there is a way to
> determine whether is file is executable, but didn't find one.  I
> suppose there must be a way but didn't see it in NSFileManager or
> NSWorkspace.


Ron,

Take a look at the shell's "source" command, which will load and execute
commands from a text file with no other requirements:

    source file.txt

This might give you an additional option.  Perhaps you can check to see if
the file is executable and/or if it includes the shebang.  If not, then
conclude it's merely a text file containing shell commands and pass it along
to "source" to run.

But here's something interesting: according to a simple "hello world" script
I just tested, source will even handle text files that have execute
permission set and contain a shebang (ie, real scripts).  If that turns out
to be true in general, then you can let the source command execute anything
designated as a script by the user.  I'd recommend testing it out.

Craig

--
Dr. Craig Hunter
NASA Langley Research Center
Configuration Aerodynamics Branch
email@hidden
(757) 864-3020

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