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bug#6784: 24.0.50; cmdproxy incosistency with command pathnames

From: Eli Zaretskii
Subject: bug#6784: 24.0.50; cmdproxy incosistency with command pathnames
Date: Tue, 03 Aug 2010 20:21:13 +0300

> From: Óscar Fuentes <address@hidden>
> Date: Tue, 03 Aug 2010 17:56:52 +0200
> Cc: 
> A command path name that contains slashes (instead of backslashes) will
> work fine with cmdproxy as far as it doesn't require to be executed
> through a shell. Otherwise only backslashes work. Example:
> cmdproxy.exe -c "c:/foo/bar.exe"
> which executes bar.exe through CreateProces, works fine, but
> cmdproxy.exe -c "c:/foo/bar.exe | zoo.exe"
> which invokes the shell for executing the command, fails with an error
> message that comes from cmd.exe and that says "c:" is not recognized as
> a command.

Please show the full recipe to reproduce this problem.  You don't
invoke cmdproxy from the command line, do you?

> Maybe we should remove the CreateProcess method and do everything
> through the underlying shell.

That's not a good idea if the shell is command.com, for sure.

For cmd.exe, the problem is a lesser one, but it still exists; e.g.,
cmd.exe is limited to 4K long commands, while CreateProcess can handle

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