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Running a command-line "FOR" loop from AutoIt

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I'm trying to automate the execution of a command-line program in a FOR loop. My goal is to execute the first option proposed in this page to run GhostScript over all PDF files of a selected folder.

So, having captured the folder path and execution parameters in a GUI, I want the execute the following:

$cmd = 'cmd.exe /c for %a in (' & $selectedFolderPath & '\*.pdf) do gswin32c.exe -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -dSAFER -dCompatibilityLevel="1.3" -dPDFSETTINGS="/printer" -dSubsetFonts=true -dEmbedAllFonts=true -sPAPERSIZE=a4 -sOutputFile="%~na-resize.pdf" -c "<</BeginPage{0.' & $scale & ' 0.' & $scale & ' scale ' & $xoffsetpt & ' ' & $yoffsetpt & ' translate}>> setpagedevice" -f %a'

Unfortunately, nothing happens. The command-line window disappears in the blink of an eye. Reading the cmd.exe reference, I suspect the problem is that some arguments of gswin32c.exe use quotation marks, and that cmd.exe is quite sensitive to that.

Any suggestion? Am I using a wrong method?


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Change the /c to /k and see what the output is in the console.

If I posted any code, assume that code was written using the latest release version unless stated otherwise. Also, if it doesn't work on XP I can't help with that because I don't have access to XP, and I'm not going to.
Give a programmer the correct code and he can do his work for a day. Teach a programmer to debug and he can do his work for a lifetime - by Chirag Gude
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I hereby grant any person the right to use any code I post, that I am the original author of, on the autoitscript.com forums, unless I've specifically stated otherwise in the code or the thread post. If you do use my code all I ask, as a courtesy, is to make note of where you got it from.

Back up and restore Windows user files _Array.au3 - Modified array functions that include support for 2D arrays.  -  ColorChooser - An add-on for SciTE that pops up a color dialog so you can select and paste a color code into a script.  -  Customizable Splashscreen GUI w/Progress Bar - Create a custom "splash screen" GUI with a progress bar and custom label.  -  _FileGetProperty - Retrieve the properties of a file  -  SciTE Toolbar - A toolbar demo for use with the SciTE editor  -  GUIRegisterMsg demo - Demo script to show how to use the Windows messages to interact with controls and your GUI.  -   Latin Square password generator

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