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Re: [Nmh-workers] Redoing argument processing

From: Paul Fox
Subject: Re: [Nmh-workers] Redoing argument processing
Date: Fri, 18 Jan 2013 08:43:02 -0500

oliver wrote:
 > You wrote:
 > > 
 > > /bin/sh -c 'proc "$@"' dummyarg arg1 arg2 arg3
 > > 
 > > What do others think about this?  Anything I'm missing?
 > > - If "proc" has no spaces or shell metacharacters, treat normally.
 > > - If "proc" has spaces in it, space-split it and have each word put into
 > >   it's own index in the argv[] array.
 > > - If "proc" contains shell metacharacters, send it to /bin/sh -c
 > I'd be tempted to be lazy and not bother with the middle one of those.
 > You have to think about tabs and newlines, not just spaces.

couldn't one just skip the whole "what's a shell metacharacter these days?"
issue, and just always go for door #3?


 > What would you do about trailing whitespace? It probably shouldn't count
 > for selecting the second option instead of the first and should just be
 > stripped.
 > Oliver

 paul fox, address@hidden (arlington, ma, where it's 13.6 degrees)

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