Skip to content

Instantly share code, notes, and snippets.

@uid0

uid0/gist:1562142

Created January 4, 2012 21:06
Show Gist options
  • Save uid0/1562142 to your computer and use it in GitHub Desktop.
Save uid0/1562142 to your computer and use it in GitHub Desktop.
Download ZIP

Revisions

  1. uid0 revised this gist Jan 4, 2012. 1 changed file with 0 additions and 5 deletions.
    5 changes: 0 additions & 5 deletions gistfile1.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -3,11 +3,6 @@
    # tell me which ones are different.
    #

    die () {
    echo >&2 "$@"
    exit 1
    }

    # Check to see that yes, we actually got an argument...

    [ "$#" -eq 1 ] || die "1 argument required, $# provided"
  2. uid0 created this gist Jan 4, 2012.
    51 changes: 51 additions & 0 deletions gistfile1.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,51 @@
    #!/bin/bash
    # This script should iterate through the 13K PDF's that I have, and hopefully
    # tell me which ones are different.
    #

    die () {
    echo >&2 "$@"
    exit 1
    }

    # Check to see that yes, we actually got an argument...

    [ "$#" -eq 1 ] || die "1 argument required, $# provided"

    # Let's read the output from diff, and then iterate through the list.
    #
    # Sample output from diff:
    #
    #Binary files /contracts/prod/attachments/offers_2713-2812/271233/618932.pdf and /contracts2/prod/attachments/offers_2713-2812/271233/618932.pdf differ
    #Binary files /contracts/prod/attachments/offers_2713-2812/271243/619378.pdf and /contracts2/prod/attachments/offers_2713-2812/271243/619378.pdf differ
    #
    #

    while read line
    do
    f1=`echo $line | awk '{print $3}'`
    f2=`echo $line | awk '{print $5}'`
    #
    # Check to make sure both files exist..
    #
    if [ -f $f1 ]
    then
    if [ -f $f2 ]
    then
    # Ok...let's do this ish!
    compare $f1 $f2 -compose src diff.pdf
    gs -o diff.ppm -sDEVICE=ppmraw -r72 -g`identify -format "%[fx:(w)]x%[fx:(h)]" diff.pdf` diff.pdf
    gs -o white.ppm -sDEVICE=ppmraw -r72 -g`identify -format "%[fx:(w)]x%[fx:(h)]" diff.pdf` -c "showpage"
    md51=$(md5sum diff.ppm|awk '{print $1}')
    md52=$(md5sum white.ppm|awk '{print $1}')
    if [ "x${md52}" == "x${md51}" ]
    then
    echo "cp $f1 $f2" >> /root/runme.sh
    else
    # The files are different...
    echo "$f1 and $f2 are different" | mail [email protected]
    echo "$f1 $f2" >> /root/imagediff.out
    fi
    fi
    fi
    done < "$1"