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#! /bin/bash
# Author: Danilo 'danix' Macri
# Author URI: https://danix.xyz
# Script URI: https://danix.xyz/?p=3545
# License: GPL2
# License URI: https://www.gnu.org/licenses/gpl-2.0.html
#--------------------------------------------------------------------------------#
# #
# GIFY.SH - CREATE ANIMATED GIFS OUT OF A BUNCH OF IMAGES #
# #
# Use this script to create animated looping gifs from a bunch of images. You #
# just need to arrange all the images you want to use inside a folder and then #
# launch this script with a few options and you'll have your gif within seconds. #
# #
# This script uses mogrify and convert from the IMAGEMAGIK suite to deliver the #
# gifs. This script can proportionally resize your images to help you create a #
# lighter file. #
# #
#--------------------------------------------------------------------------------#
# ERROR & EXIT STATUSES #
SHOWHELP=61
USERABORTED=62
E_INTERROR=71
E_NOOPTS=72
E_NOARGS=73
E_FILEXISTS=74
E_NOIMAGES=75
E_UNKNOWNOPT=76
# TOOLS #
PWD=$(pwd)
MOGRIFY=$(which mogrify)
CONVERT=$(which convert)
# we need mogrify and convert from the imagemagik toolset for this script to work #
if [[ ! -x $MOGRIFY || ! -x $CONVERT ]]; then
showerror missingdeps
exit $E_MISSINGDEPS
fi
# showhelp #
showhelp ()
{
case $1 in
resize )
echo "USAGE: $(basename $0) -r | --resize [width] [extension]"
;;
gif )
echo "USAGE: $(basename $0) -g | --gif [delay] [extension] [output file name]"
;;
* )
#|----------------------- TEXT MAX WIDTH - 80 CHARS ----------------------------|
echo -e "$(basename $0) - create animated gifs from images inside current directory"
echo -e "USAGE: $(basename $0) <option> [arguments]"
echo -e "\twhere <option> is one between:";echo
echo -e "\t-r | --resize [width] [extension]"
echo -e "\t\tresizes all the images matching the extension in the current folder to"
echo -e "\t\tthe width specified as argument.";echo
echo -e "\tg | --gif [delay] [extension] [output file name]"
echo -e "\t\tcreates the gif file using all the images in the current folder."
echo
echo -e "EXAMPLES:"
echo -e "$(basename $0) --resize 900 jpg"
echo -e "\twill resize all jpg images in the folder to 900px wide and mantain the"
echo -e "\taspect ratio of the original images"
echo
echo -e "$(basename $0) --gif 8 jpg france"
echo -e "\twill create a looping gif named france.gif using all the jpg files found"
echo -e "\tin the current folder and passing a tick delay of 8 between frames".
echo
;;
esac
}
# showerror #
showerror ()
{
if [ -z $1 ];then
echo "INTERNAL ERROR - ABORTING"; echo
exit $E_INTERROR
fi
case $1 in
unknownopt)
echo "unknown option. Exiting."; echo
;;
noopts)
echo "you didn't specify any options for the script to run. Exiting."; echo
;;
noargs)
echo "you didn't specify any arguments for this option. Exiting."; echo
;;
filexists)
echo "the file you want to write already exists. Exiting."; echo
;;
noimages)
echo "at least two files must exist within $PWD with the"
echo "specified extension. Exiting"; echo
;;
missingdeps)
echo "$(basename $0) requires both mogrify and convert from"
echo "the imagemagik tool suite. Install imagemagik using your"
echo "favourite package manager and then run this script again. Exiting."; echo
esac
}
##### MAIN #####
if [ $# -eq 0 ];then
showerror noopts
showhelp
exit $E_NOOPTS
else
while [ $# -gt 0 ];do
case $1 in
-h|--help)
showhelp
exit $SHOWHELP
;;
-r|--resize)
WIDTH=$2
EXT=$3
shift
if [[ -z $WIDTH || -z $EXT ]];then
showhelp resize
showerror noargs
exit $E_NOARGS
fi
IMAGES="$(ls -1 *.$EXT 2>/dev/null | wc -l)"
if [[ $IMAGES == 0 ]]; then
showerror noimages
exit $E_NOIMAGES
fi
clear
COUNT="$(ls -1 *.$EXT 2>/dev/null | wc -l)"
echo "you're going to resize all $COUNT .$EXT images inside $PWD at a fixed width of ${WIDTH}px"
read -p "do you wish to continue? [y/n] " -n 1 -r; echo
if [[ ! $REPLY =~ ^[Yy]$ ]]
then
exit $USERABORTED
else
$MOGRIFY -resize $WIDTH *.$EXT
exit 0
fi
;;
-g|--gif)
DELAY=$2
EXT=$3
OUTPUT=$4
shift
if [[ -z $DELAY || -z $EXT || -z $OUTPUT ]];then
showhelp gif
showerror noargs
exit $E_NOARGS
elif [[ -f ${OUTPUT}.gif ]]; then
showerror filexists
exit $E_FILEXISTS
fi
IMAGES="$(ls -1 *.$EXT 2>/dev/null | wc -l)"
if [[ $IMAGES == 0 ]]; then
showerror noimages
exit $E_NOIMAGES
fi
clear
COUNT="$(ls -1 *.$EXT 2>/dev/null | wc -l)"
echo "you're going to create a looping gif named ${OUTPUT}.gif"
echo "out of all the $COUNT $EXT files inside $PWD with a tick"
echo "delay of $DELAY/100 of a second"; echo
read -p "do you wish to continue? [y/n] " -n 1 -r; echo
if [[ ! $REPLY =~ ^[Yy]$ ]]
then
exit $USERABORTED
else
$CONVERT -delay $DELAY *.$EXT -loop 0 ${OUTPUT}.gif
exit 0
fi
;;
*)
showerror unknownopt
showhelp
exit $E_UNKNOWNOPT
esac
shift
done
fi
convertire file video in mp3