joining multiple PDFs into one

[Russ]

This is from power tools 2nd ed

The C shell variable has one other feature that's worth noting Normally, the C shell lets you append to a file that you append to a file that doesn't exist. If doesn't exist. If is set under csh and tcsh , it won't; you can only append to files that already exist unless you use an exclamation point:

"Chris F.A. Johnson" <chris at cfajohnson.com> wrote:

>On Tue, 15 Nov 2011, Russell Reiter wrote:
>,,,
>>>  Anyone who aliases a standard command to anything that changes its
>>>  basic behaviour deserves all the grief they can get. (I know some
>>>  distros do that, but it's still stupid -- and sometimes dangerous!)
>>>
>>>  'clobber on > and append on >>' is the standard behaviour.
>>>
>>>  If noclobber is set, then both will fail if file3.pdf exists and
>>>  succeed if it doesn't.
>>
>> I understand this is the convention.
>
>    It is the specification, and it is consistent with the original
>    Bourne shell, and all Bourne-type shells that followed it. (I think
>    even csh follows the same rules.)
>
>-- 
>    Chris F.A. Johnson, <http://cfajohnson.com/>
>    Author:
>    Pro Bash Programming: Scripting the GNU/Linux Shell (2009, Apress)
>    Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress)
>--
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