Created
July 11, 2015 16:56
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lock screen use i3lock and randomly select wallpaper or blur
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#!/usr/bin/env bash | |
exec 2>/dev/null | |
exec 1>/dev/null | |
IMGS_DIR="$HOME/Pictures/Wallpapers/normal" | |
command-exist-p () { | |
local _command_exist=0 | |
for i in "$@"; do | |
type -a "$i" &>/dev/null || _command_exist=1 | |
done | |
return $_command_exist | |
} | |
blur-shot () { | |
scrot /tmp/screenshot.png | |
convert /tmp/screenshot.png -blur 0x5 /tmp/screenshotblur.png | |
echo "/tmp/screenshotblur.png" | |
} | |
random-pic () { | |
if [ ! -d "$1" ]; then | |
echo "error: invalid arguments $*" | |
echo "Usage: random-pic directory" | |
return 1 | |
fi | |
local _pic=$(shuf -n1 -e $(find "$1" -regex ".*\.\(png\|jpe?g\)")) | |
local _tmp_dir="/tmp/i3lock_bg" | |
local _fpath=$_tmp_dir/$(date +'%Y%m%d%H')".png" | |
[ -d $_tmp_dir ] || mkdir -p $_tmp_dir | |
find $_tmp_dir -iname "*.png" -ctime +1 -exec rm \{\} \; | |
if [ -f $_fpath ]; then | |
echo $_fpath | |
return | |
else | |
if convert "$_pic" "$_fpath"; then | |
echo "$_fpath" | |
return 0 | |
else | |
return 1 | |
fi | |
fi | |
} | |
# randomly select wallpaper src | |
if [ $(shuf -i 1-3 -n1) = "3" ]; then | |
pic=$(random-pic "$IMGS_DIR") | |
else | |
pic=$(blur-shot) | |
fi | |
command-exist-p i3lock && exec i3lock -d -i "$pic" |
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