No subject

the second file name when I use \ at the end of the first argument.  I
can't see why that would do anything.

Joe

bigbird at sananda:~/bin$ bash -x chkpixx P8063647.JPG
+ cmp '/media/windoze/Documents and Settings/Owner/My
Documents/Images/Rita/Olympus/P8063647.JPG' ' /media/windoze/Documents
and Settings/Owner/My Documents/Images/Rita/Even Less Prints/P8063647.JPG'
cmp:  /media/windoze/Documents and Settings/Owner/My
Documents/Images/Rita/Even Less Prints/P8063647.JPG: No such file or
directory
+ RC=2
....

dan.colascione at gmail.com wrote:
> Try running the script through bash -x.
>
> -original message-
> Subject: [nflug] bash syntax problem
> From: Joe <josephj at main.nc.us>
> Date: 08/18/2008 12:04 AM
>
> Bash syntax often drives me batty.
> I'm having a problem printing some digital camera pictures, so I wrote a
> quick and dirty script to verify that the pictures I took to the photo
> shop are the same as the ones that were on the camera flash card.
> The script "chkpix" and it's output are below.
>
> The problem is in the cmp command line which can't seem to find the
> second file to compare.  The ls and md5sum commands find the file just
> fine, so the path is OK.
>
> When I run the cmp command by itself directly from the command line
> (with no shell variables), it works fine.
>
> I modified the script, eliminating the '\' at the end of the first cmp
> argument and made the command one long line and it worked.
>
> So, what's wrong with breaking up a long command line with one or more
> escaped carriage returns?
>
> Thanks.
>
> Joe
>
> chkpix:
>
> #!/bin/bash
> ## compare two pictures for identity
>
> cmp "/media/windoze/Documents and Settings/Owner/My
> Documents/Images/Rita/Olympus/${1}" \ "/media/windoze/Documents and
> Settings/Owner/My Documents/Images/Rita/Even Less Prints/${1}"
> ls -l "/media/windoze/Documents and Settings/Owner/My
> Documents/Images/Rita/Olympus/${1}"
> ls -l "/media/windoze/Documents and Settings/Owner/My
> Documents/Images/Rita/Even Less Prints/${1}"
> md5sum -b "/media/windoze/Documents and Settings/Owner/My
> Documents/Images/Rita/Olympus/${1}"
> md5sum -b "/media/windoze/Documents and Settings/Owner/My
> Documents/Images/Rita/Even Less Prints/${1}"
>
>
> bigbird at sananda:~/bin$ bash chkpix P8063647.JPG
> cmp:  "/media/windoze/Documents and Settings/Owner/My
> Documents/Images/Rita/Even Less Prints/P8063647.JPG": No such file or
> directory
> -rwxrwxr-x 1 root ntfs-3g 634499 2008-08-06 17:10
> /media/windoze/Documents and Settings/Owner/My
> Documents/Images/Rita/Olympus/P8063647.JPG
> -rwxrwxr-x 1 root ntfs-3g 634499 2008-08-16 22:05
> /media/windoze/Documents and Settings/Owner/My
> Documents/Images/Rita/Even Less Prints/P8063647.JPG
> 5a54b325abb196f4806edb5d7a4cbf2b */media/windoze/Documents and
> Settings/Owner/My Documents/Images/Rita/Olympus/P8063647.JPG
> 5a54b325abb196f4806edb5d7a4cbf2b */media/windoze/Documents and
> Settings/Owner/My Documents/Images/Rita/Even Less Prints/P8063647.JPG
> bigbird at sananda:~/bin$
>
> bigbird at sananda:~/bin$ cmp "/media/windoze/Documents and
> Settings/Owner/My Documents/Images/Rita/Olympus/P8063647.JPG"
> "/media/windoze/Documents and Settings/Owner/My
> Documents/Images/Rita/Even Less Prints/P8063647.JPG"
> bigbird at sananda:~/bin$
>
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