75 lines
2.5 KiB
Bash
Executable File
75 lines
2.5 KiB
Bash
Executable File
#!/usr/bin/bash
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DIR="/home/immortaly007/screenshot-log"
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FORMAT="png"
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SIMILARITY_DELETE_TRESHOLD=100
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HTML_THUMB_WIDTH=200
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SCALE="50%"
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# Max time (in seconds) to wait before forcing a screenshot even if spectacle is running
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SPECTACLE_BLOCKED_TIMEOUT=600 # 10 minutes
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SPECTACLE_BLOCKED_FILE="$HOME/.cache/screenshot-spectacle-blocked"
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DAY=`date +%Y-%m-%d`
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TIME=`date +%H.%M.%S.%3N`
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mkdir -p $DIR/$DAY
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SCR_NEW="$DIR/$DAY/$TIME.$FORMAT"
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SCR_LAST=`ls -t $DIR/$DAY/*.png | head -n1`
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# do a screenshot
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if [ "$XDG_CURRENT_DESKTOP" = "KDE" ]
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then
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if pgrep -x spectacle > /dev/null; then
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# Spectacle is running; check if we've been blocked for too long
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if [ -f "$SPECTACLE_BLOCKED_FILE" ]; then
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BLOCKED_SINCE=`cat "$SPECTACLE_BLOCKED_FILE"`
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NOW=`date +%s`
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BLOCKED_FOR=$(( NOW - BLOCKED_SINCE ))
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if [ "$BLOCKED_FOR" -ge "$SPECTACLE_BLOCKED_TIMEOUT" ]; then
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echo "`date`: Spectacle has been blocking screenshot for ${BLOCKED_FOR}s (>= ${SPECTACLE_BLOCKED_TIMEOUT}s); forcing screenshot"
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else
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echo "`date`: Spectacle is already running (blocked for ${BLOCKED_FOR}s); skipping screenshot"
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exit 0
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fi
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else
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# First time we're being blocked; record the timestamp
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date +%s > "$SPECTACLE_BLOCKED_FILE"
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echo "`date`: Spectacle is already running; skipping screenshot (recording block time)"
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exit 0
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fi
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fi
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spectacle -bn -o $SCR_NEW
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else
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import -window root $SCR_NEW
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fi
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#requires ImageMagick
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DISTANCE=`compare -metric MAE $SCR_LAST $SCR_NEW NULL: 2>&1`
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echo $DISTANCE
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# ImageMagick outputs something like "21.8357 (0.218357)"; we only want to use the first number for the comparison below, so we use cut to get just that
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DISTANCE=`echo $DISTANCE | cut -d " " -f1 -`
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if [ "$DISTANCE" = "inf" ]
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then
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DISTANCE=1000
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fi
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echo $DISTANCE between $SCR_LAST and $SCR_NEW
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IS_SIMILAR=`echo "$DISTANCE < $SIMILARITY_DELETE_TRESHOLD" | bc`
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# Clean up the blocked-file now that a screenshot succeeded
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rm -f "$SPECTACLE_BLOCKED_FILE"
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if [ "$IS_SIMILAR" = "1" ]
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then
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rm $SCR_NEW
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echo "`date`: Distance = $DISTANCE; too similar; RM $SCR_NEW"
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# echo "`date` RM" >> $DIR/$DAY/log-.log
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else
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mogrify -scale $SCALE $SCR_LAST
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# Ensure that the new file is still seen as the most recent one
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FUTURE=`date +%Y%m%d%H%M.%S -d "+1 second"`
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touch -t $FUTURE "$SCR_NEW"
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# echo "<p>`date +%H:%M:%S` <a href=\"$SCR_NEW\"><img width=\"$HTML_THUMB_WIDTH\" src=\"$SCR_NEW\" /></a> <br />$WINDOW_TITLE </p>" >> $DIR/`date +%Y-%m-%d`-$PREFIX.html
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fi
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