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98 lines
3.0 KiB
98 lines
3.0 KiB
#!/bin/bash
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# Rick Astley in your Terminal.
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# By Serene Han and Justine Tunney <3
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version='1.1'
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rick='http://keroserene.net/lol'
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video="$rick/astley80.full.bz2"
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# TODO: I'll let someone with mac or windows machine send a pull request
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# to get gsm going again :)
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audio_gsm="$rick/roll.gsm"
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audio_raw="$rick/roll.s16"
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audpid=0
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NEVER_GONNA='curl -s -L http://bit.ly/10hA8iC | bash'
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MAKE_YOU_CRY="$HOME/.bashrc"
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red='\x1b[38;5;9m'
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yell='\x1b[38;5;216m'
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green='\x1b[38;5;10m'
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purp='\x1b[38;5;171m'
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echo -en '\x1b[s' # Save cursor.
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has?() { hash $1 2>/dev/null; }
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cleanup() { (( audpid > 1 )) && kill $audpid 2>/dev/null; }
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quit() { echo -e "\x1b[2J \x1b[0H ${purp}<3 \x1b[?25h \x1b[u \x1b[m"; }
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usage () {
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echo -en "${green}Rick Astley performs ♪ Never Gonna Give You Up ♪ on STDOUT."
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echo -e " ${purp}[v$version]"
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echo -e "${yell}Usage: ./astley.sh [OPTIONS...]"
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echo -e "${purp}OPTIONS : ${yell}"
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echo -e " help - Show this message."
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echo -e " inject - Append to ${purp}${USER}${yell}'s bashrc. (Recommended :D)"
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}
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for arg in "$@"; do
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if [[ "$arg" == "help"* || "$arg" == "-h"* || "$arg" == "--h"* ]]; then
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usage && exit
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elif [[ "$arg" == "inject" ]]; then
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echo -en "${red}[Inject] "
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echo $NEVER_GONNA >> $MAKE_YOU_CRY
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echo -e "${green}Appended to $MAKE_YOU_CRY. <3"
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echo -en "${yell}If you've astley overdosed, "
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echo -e "delete the line ${purp}\"$NEVER_GONNA\"${yell}."
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exit
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else
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echo -e "${red}Unrecognized option: \"$arg\""
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usage && exit
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fi
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done
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trap "cleanup" INT
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trap "quit" EXIT
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# Bean streamin' - agnostic to curl or wget availability.
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obtainium() {
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if has? curl; then curl -s $1
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elif has? wget; then wget -q -O - $1
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else echo "Cannot has internets. :(" && exit
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fi
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}
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echo -en "\x1b[?25l \x1b[2J \x1b[H" # Hide cursor, clear screen.
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#echo -e "${yell}Fetching audio..."
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if has? afplay; then
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# On Mac OS, if |afplay| available, pre-fetch compressed audio.
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[ -f /tmp/roll.s16 ] || obtainium $audio_raw >/tmp/roll.s16
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afplay /tmp/roll.s16 &
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elif has? aplay; then
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# On Linux, if |aplay| available, stream raw sound.
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obtainium $audio_raw | aplay -Dplug:default -q -f S16_LE -r 8000 &
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elif has? play; then
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# On Cygwin, if |play| is available (via sox), pre-fetch compressed audio.
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obtainium $audio_gsm >/tmp/roll.gsm.wav
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play -q /tmp/roll.gsm.wav &
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fi
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audpid=$!
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#echo -e "${yell}Fetching video..."
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# Sync FPS to reality as best as possible. Mac's freebsd version of date cannot
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# has nanoseconds so inject python. :/
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python <(cat <<EOF
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import sys
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import time
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fps = 25; time_per_frame = 1.0 / fps
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buf = ''; frame = 0; next_frame = 0
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begin = time.time()
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try:
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for i, line in enumerate(sys.stdin):
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if i % 32 == 0:
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frame += 1
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sys.stdout.write(buf); buf = ''
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elapsed = time.time() - begin
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repose = (frame * time_per_frame) - elapsed
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if repose > 0.0:
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time.sleep(repose)
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next_frame = elapsed / time_per_frame
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if frame >= next_frame:
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buf += line
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except KeyboardInterrupt:
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pass
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EOF
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) < <(obtainium $video | bunzip2 -q 2> /dev/null)
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