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Full Discussion: Check file sequence script not working. Need help.
Operating Systems OS X (Apple) Check file sequence script not working. Need help. Post 302516866 by Corona688 on Monday 25th of April 2011 12:42:14 PM
Old 04-25-2011
You agreed not to bump posts when you registered.

You're certainly not running it in bash, not sure why you mention it at all.

I see nothing in that code which would have ever added leading zeroes to your strings.

There's plenty of things in your script which in a bourne shell would be "useless use of ls *" and the like but in csh these constructs may actually be necessary...

But whether your shell be csh or zsh or whatever you can't exit -1, that value's nonsensical. It has to be a positive value between 0-255 inclusive.

Most of us aren't too fluent in CSH for a variety of reasons which cts already linked. You'd do better to learn a real scripting language. Trying a solution in bash for you.

I surmise that the version of csh you used to use had these :r etc string operations. Mine certainly doesn't and may be what broke down when you brought this script over.

---------- Post updated at 10:42 AM ---------- Previous update was at 09:49 AM ----------

Code:
#!/bin/bash

MAX=0   MIN=999999      TOTAL=0

# Don't have functions in csh.  Can't redirect to stderr properly either.
function die    # Print an error message to stderr, return 1
{
        echo "$@" >&2   ;       exit 1
}

[ "$#" -ne 1 ] && die "Usage: $0 <prefix>"      # Die unless exactly 1 arg

# Loop over all files.  (NOTE: May exceed argmax in other shells)
for I in ${1}.[0-9][0-9][0-9][0-9][0-9].dpx
do
        [ -f "$I" ] || die "No files found for prefix $1"
        # csh doesn't have a proper 'read'.  You can read from your TTY, that's it
        IFS="." read G C G <<< "$I"     # Extract number from string

        # Strip all leading zeroes
        while [ "${C:0:1}" == "0" ] && [ ! -z "${C:1:1}" ]
        do
                C="${C##0}"
        done

        [ "$C" -gt "$MAX" ] && MAX=$C   # Update max
        [ "$C" -lt "$MIN" ] && MIN=$C   # Update min
        ((TOTAL++))
done

for ((N=MIN; N<=MAX; N++))
do
        FILE=$(printf "%s.%05d.%s" "$1" $N "dpx")

        [ -f "$FILE" ] || echo "$FILE missing" >&2
done

[ "$TOTAL" -lt "$(((MAX-MIN)+1))" ] &&
        die "$((((MAX-MIN-TOTAL)+1))) files missing"

printf "No files missing in %s.%05d.dpx - %s.%05d.dpx\n" $1 $MIN $1 $MAX >&2

exit 0

Last edited by Corona688; 04-25-2011 at 05:28 PM.. Reason: Moved TOTAL++ to simplify code
 

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LEARN ABOUT REDHAT

ran2tiff

RAN2TIFF(1)						      General Commands Manual						       RAN2TIFF(1)

NAME
       ran2tiff - expose and convert a RADIANCE animation to TIFF frames

SYNOPSIS
       ran2tiff [ -W prev_frame_wt ][ -H histo ][ -D dir ] [ pcond opts ] [ ra_tiff opts ] frame1.hdr frame2.hdr ..

DESCRIPTION
       Ran2tiff  takes	an animated sequence of Radiance pictures and converts them by calling pcond(1) and ra_tiff(1) in such a way that exposure
       changes gradually from one frame to the next.  It accomplishes this by computing a histogram for each image and blending it with a weighted
       histogram  from the previous frame, where the weight is set by the -W option, or 0.9 by default.  A value of 0.5 would mean that the previ-
       ous frame carries 1/2 the weight of the current one, and the frame before that 1/4, 1/8 before that, and so on.

       The -H option specifies a histogram file to be used to ensure continuous exposure between the current sequence and one before it.   If  the
       file  does not exist, it will be created at the end of the conversion.  If it does exist, its contents will be used as the histogram at the
       end of the previous sequence.

       The -D option may be used to specify an output directory for the resulting TIFF frames.	Otherwise, the current	directory  will  be  used.
       The output file names will correspond to the input names, but with a ".tif" suffix.

       Ran2tiff  also  accepts the standard options for pcond and ra_tiff, though output to LogLuv TIFF formats is not supported.  (There would be
       no point in adjusting the exposure if the output were HDR.)

EXAMPLE
       To convert a sequence of frames using a rapid human exposure response and LZW compression on the output:

	 ran2tiff -W 0.7 -h -z frame*.hdr

       Similar to fieldcomb(1), this program works well with the "TRANSFER" facility of ranimate(1).

AUTHOR
       Greg Ward

SEE ALSO
       fieldcomb(1), getinfo(1), pcond(1), pfilt(1), phisto(1), ra_tiff(1), ranimate(1), rpict(1)

RADIANCE							     9/16/2005							       RAN2TIFF(1)
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