OT: scripting, removing trailing ^L

[Bill Campbell]

On Fri, Dec 23, 2005, Jim Asman wrote:
>--------------- Original Message ---------------
>> At 12:00P Fri Dec 23 2005, Bob Stockler wrote:
>
>> William James McEachran wrote (on Fri, Dec 23, 2005 at 11:19:16AM -0500):
>> 
>> | Slightly off-topic.
>> | The data comes from filePro, some of it passes thru 'gnuplot', and in
>> | the end the gnuplot graph is incorporated into the filepro output form.
>> | The whole thing then is converted with 'pcl6'/ghostpcl into a PDF file
>> | Result, a PDF file with data & a graph.
>> | 
>> | gnuplot adds an unneed "^L" to the end of the graph pcl file. I've got
>> | to come up with a way to remove just this one character at the end of the
>> | file.  I've got a mental block on removing just the final character.
>> | 
>> | sed? awk?
>> 
>> How about tr?
>> 
>>   tr -d '\014' <file1 >file2
>> 
>> 
>Well, we don't know if a ^L can exist legitimately elsewhere in the
>file. Certainly, any raster images could contain ^L's. So a blanket
>removal of all such characters may not be appropriate.

This may work as well to delete the last line of the file running
the ex editor in place to delete the last line

ex - filename <<DONE
$d
wq
DONE

Bill
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