Created
January 13, 2015 10:54
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Nyan cat in bash
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#!/bin/bash | |
# config | |
IMGS=( | |
" | |
+ o + o \n\ | |
+ o + +\n\ | |
o + \n\ | |
o + + + \n\ | |
+ o o + o\n\ | |
-_-_-_-_-_-_-_,------, o \n\ | |
_-_-_-_-_-_-_-| /\_/\ \n\ | |
-_-_-_-_-_-_-~|__( ^ .^) + +\n\ | |
_-_-_-_-_-_-_-\"\" \"\" \n\ | |
+ o o + o \n\ | |
+ + \n\ | |
o o o o +\n\ | |
o + \n\ | |
+ + o o + \n | |
" " | |
o + + + \n\ | |
o + o\n\ | |
o + \n\ | |
+ o + o \n\ | |
o + o +\n\ | |
_-_-_-_-_-_-_-,------, o + \n\ | |
-_-_-_-_-_-_-_| /\_/\ + \n\ | |
_-_-_-_-_-_-_~|__( ^ .^) o \n\ | |
-_-_-_-_-_-_-_ \"\" \"\" \n\ | |
+ + o o + \n\ | |
o + o +\n\ | |
+ o + + o \n\ | |
+ + \n\ | |
+ o + \n | |
" ) | |
REFRESH="0.5" | |
AUDIO_FILE="/tmp/nyan-cat.mp3" | |
# end | |
# count lines of first ascii picture in array | |
LINES_PER_IMG=$(( $(echo $IMGS[0] | sed 's/\\n/\n/g' | wc -l) + 1 )) | |
# tput $1 LINES_PER_IMG times, used for cuu1(cursor up) cud1(cursor down) | |
tput_loop() { for((x=0; x < $LINES_PER_IMG; x++)); do tput $1; done; } | |
# ^C abort, script cleanup | |
trap sigtrap INT | |
sigtrap() | |
{ | |
# make cursor visible again | |
tput cvvis | |
# reset cursor | |
tput_loop "cud1" | |
# stop audio | |
#kill `pgrep vlc` | |
#kill `pgrep mplayer` 2&> /dev/null | |
echo "caught signal SIGINT(CTRL+C), quitting ..." | |
exit 1 | |
} | |
# need multi-space strings | |
IFS='%' | |
# start audio, vlc & mplayer examples | |
#vlc $AUDIO_FILE --quiet --loop --volume=100 & | |
#mplayer -really-quiet -loop 0 $AUDIO_FILE < /dev/null & | |
# hide the cursor | |
tput civis | |
# main loop, pretty self explanatory | |
while [ 1 ]; do for x in "${IMGS[@]}"; do | |
echo -ne $x | |
tput_loop "cuu1" | |
sleep $REFRESH | |
done; done | |
# will never reach here, CTRL+C is required to quit |
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