CrunchBang Linux Pastebin - collaborative debugging

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CrunchBang Linux Pastebin

Posted by ANGE on Mon 11th Jan 18:59 (modification of post by corenominal view diff)
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  1. #!/bin/bash
  2. # Author:
  3. #   Philip Newborough <corenominal@corenominal.org>
  4. # Copyright:
  5. #   © 2008 Philip Newborough <corenominal@corenominal.org>
  6. # License:
  7. #   This program is free software; you can redistribute it and/or
  8. #   modify it under the terms of the GNU Lesser General Public
  9. #   License as published by the Free Software Foundation; either
  10. #   version 2.1 of the License, or (at your option) any later version.
  11. #
  12. #   This program is distributed in the hope that it will be useful,
  13. #   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15. #   Lesser General Public License for more details.
  16. #
  17. #   You should have received a copy of the GNU Lesser General Public
  18. #   License along with this library; if not, write to the Free Software
  19. #   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20. #
  21. #   On Debian systems, the complete text of the GNU Lesser General Public
  22. #   License V2.1 can be found in the file `/usr/share/common-licenses/LGPL-2.1'.
  23. #-------------------------------------------------------------------------------   
  24. # Display help
  25. if [ "$1" = "" ] || [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
  26.     echo "Usage:"
  27.     echo "  rotate-wallpaper --path DIRECTORY"
  28.     echo ""
  29.     echo "    -h, --help"
  30.     echo "          Shows this message and exits."
  31.     echo "    -p, --path"
  32.     echo "          Set path to directory containing images."
  33.     echo ""
  34.     exit   
  35. fi
  36. if [ "$1" = "-p" ] || [ "$1" = "--path" ];then
  37.     if [ ! "$2" = "" ];then
  38.         # Set the path to your wallpaper directory
  39.         WALLPAPERS=$2
  40.         # Sanity check. Does wallpaper directory exist
  41.         if [ ! -d $WALLPAPERS ]; then
  42.             echo "Oops! Specified directory does not exist."
  43.             echo ""
  44.             rotate-wallpaper --help
  45.             exit 1
  46.         fi
  47.         # Sanity check. Is wallpapers directory completely empty of files?
  48.         if [ ! "$(ls -A $WALLPAPERS)" ]; then
  49.             echo "Oops! No images found within specified directory."
  50.             echo ""
  51.             rotate-wallpaper --help
  52.             exit 1
  53.         fi
  54.         # Sanity check. Is wallpapers directory empty of images?
  55.         # + Build query
  56.         QUERY=""
  57.         if [ "$(ls $WALLPAPERS/*.jpg 2> /dev/null)" ]; then
  58.             QUERY="$QUERY$WALLPAPERS/*.jpg "
  59.         fi
  60.         if [ "$(ls $WALLPAPERS/*.JPG 2> /dev/null)" ]; then
  61.             QUERY="$QUERY$WALLPAPERS/*.JPG "
  62.         fi
  63.         if [ "$(ls -l $WALLPAPERS/*.PNG 2> /dev/null)" ]; then
  64.             QUERY="$QUERY$WALLPAPERS/*.PNG "
  65.         fi
  66.         if [ "$(ls -l $WALLPAPERS/*.png 2> /dev/null)" ]; then
  67.             QUERY="$QUERY$WALLPAPERS/*.png "
  68.         fi
  69.         if [ "$QUERY" = "" ];then
  70.             echo "Oops! No images found within specified directory."
  71.             echo ""
  72.             rotate-wallpaper --help
  73.             exit 1
  74.         fi
  75.         # Sanity check. Does config directory exist?
  76.         if [ ! -d ~/.config/rotate-wallpaper ]; then
  77.             mkdir ~/.config/rotate-wallpaper
  78.         fi
  79.         # Sanity check. Does config file exist?
  80.         if [ ! -f ~/.config/rotate-wallpaper/count ]; then
  81.             touch ~/.config/rotate-wallpaper/count
  82.             echo "0" > ~/.config/rotate-wallpaper/count
  83.         fi
  84.         # Count number of wallpapers
  85.         NO_OF_WALLPAPERS=0
  86.         for file in $QUERY; do
  87.             if [ ! -d "$file" ];then
  88.                 NO_OF_WALLPAPERS=$(( NO_OF_WALLPAPERS+1 ))
  89.             fi
  90.         done
  91.         # Read in number of last wallpaper displayed, or start from 1
  92.         PREVIOUS_WALLPAPER="$(cat ~/.config/rotate-wallpaper/count)"
  93.         NEW_WALLPAPER=$(( PREVIOUS_WALLPAPER+1 ))
  94.         # Do we need to loop back to 1?
  95.         if [ $NEW_WALLPAPER -gt $NO_OF_WALLPAPERS ];then
  96.             NEW_WALLPAPER=1
  97.         fi
  98.         # Set wallpaper
  99.         CNT=1
  100.         for file in $QUERY; do
  101.             if [ $CNT = $NEW_WALLPAPER ]; then
  102.                 if [ ! -d "$file" ];then
  103.                     FILE_TYPE=$(file -i "$file")
  104.                     if [ "$FILE_TYPE" = "$file: image/png" ] || \
  105.                     [ "$FILE_TYPE" = "$file: image/jpeg" ];then
  106.                         nitrogen --set-scaled "$file"
  107.                     fi
  108.                 fi
  109.             fi
  110.             CNT=$(( CNT+1 ))
  111.         done
  112.         # Save count and exit
  113.         echo "$NEW_WALLPAPER" > ~/.config/rotate-wallpaper/count
  114.         exit
  115.     else
  116.         # Show error if no directory given
  117.         echo "Oops! Image directory not specified."
  118.         echo ""
  119.         rotate-wallpaper --help
  120.         exit 1
  121.     fi
  122. fi
  123. # If all else fails
  124. echo "Oops! Invalid command. Have a clue..."
  125. rotate-wallpaper --help
  126. exit 1

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