gifrecorder

#!/bin/bash

# released under Creative Commons Attribution-ShareAlike 3.0
# http://creativecommons.org/licenses/by-sa/3.0/
# v1.4
# 26. 3. 2012
# dependencies: gifsicle

#setting optional arguments
sflag=
vflag=
cflag=
wflag=

verbose="-w"

while getopts :s:c:wv name
do
	case $name in
	s)	s=1
		sval="$OPTARG"
		sflag="set";;
	c)	c=1
		cropDim="$OPTARG"
		cflag="set";;
	w)	wflag=1;;
	v)	verbose="-V"
		vflag="set";;
	:)	echo "Error: please specify the number of seconds."
		exit 2;;
	?)	printf "Usage: [-s <seconds>] [-c x1,y1-x2,y2] [-w] [-v]\n"
		exit 2;;
	esac
done

#screen capturing
if [ -z "$sflag" ]; then
    sval=5
fi
seconds=$(echo "$sval"*5|bc)
cd /tmp
if [ -n "$vflag" ]; then
	echo "Now recording..."
fi
for (( i=1; i<$seconds; i++ ))
do
   padi=$(printf "%04d" $i)
   screencapture -C -t "gif" "recorderframe""$padi"".gif"
   sleep 0.1
done
screencapture -C -t "gif" "recorderframe9999.gif"
if [ -n "$vflag" ]; then
	echo "Recording complete."
fi

#processing the frames
framelist=$(frames=$(ls|grep -a recorderframe);echo ${frames//\n/ })
named=$(date -j +"%Y-%m-%d")
namet=$(tim=$(date -j +"%r");echo ${tim//:/.})
filename=$(echo "Screen shot ""$named"" at ""$namet"".gif")
if [ -n "$cflag" ]; then
	crop="--crop ""$cropDim"
fi
if [ -n "$wflag" ]; then
	terminal=$(echo $TERM_PROGRAM)
	if [ "$terminal" == "Apple_Terminal" ]; then
		cropDim=$(osascript -e "tell application \"Terminal\" to get the bounds of the first window" | sed "s/,/-/2" | sed "s/ //g")
		crop="--crop ""$cropDim"
	elif [ "$terminal" == "iTerm.app" ]; then
		cropDim=$(osascript -e "tell application \"iterm\" to get the bounds of the first window" | sed "s/,/-/2" | sed "s/ //g")
		crop="--crop ""$cropDim"
	fi
fi
gifsicle $verbose --delay 25 --loopcount $crop $framelist > "$filename"
gifsicle $verbose -b --optimize=2 "$filename"
mv "$filename" ~/Desktop/
if [ -n "$vflag" ]; then
	echo "Screen recording saved to ~/Desktop/""$filename""."
fi

#cleaning up
rm recorderframe*
exit