lel

roll.sh

@@ -0,0 +1,98 @@
+#!/bin/bash
+# Rick Astley in your Terminal.
+# By Serene and Justine Tunney <3
+version='1.2'
+rick='https://keroserene.net/lol'
+video="$rick/astley80.full.bz2"
+# TODO: I'll let someone with mac or windows machine send a pull request
+# to get gsm going again :)
+audio_gsm="$rick/roll.gsm"
+audio_raw="$rick/roll.s16"
+audpid=0
+NEVER_GONNA='curl -s -L http://bit.ly/10hA8iC | bash'
+MAKE_YOU_CRY="$HOME/.bashrc"
+red='\x1b[38;5;9m'
+yell='\x1b[38;5;216m'
+green='\x1b[38;5;10m'
+purp='\x1b[38;5;171m'
+echo -en '\x1b[s'  # Save cursor.
+
+has?() { hash $1 2>/dev/null; }
+cleanup() { (( audpid > 1 )) && kill $audpid 2>/dev/null; }
+quit() { echo -e "\x1b[2J \x1b[0H ${purp}<3 \x1b[?25h \x1b[u \x1b[m"; }
+
+usage () {
+  echo -en "${green}Rick Astley performs ♪ Never Gonna Give You Up ♪ on STDOUT."
+  echo -e "  ${purp}[v$version]"
+  echo -e "${yell}Usage: ./astley.sh [OPTIONS...]"
+  echo -e "${purp}OPTIONS : ${yell}"
+  echo -e " help   - Show this message."
+  echo -e " inject - Append to ${purp}${USER}${yell}'s bashrc. (Recommended :D)"
+}
+for arg in "$@"; do
+  if [[ "$arg" == "help"* || "$arg" == "-h"* || "$arg" == "--h"* ]]; then
+    usage && exit
+  elif [[ "$arg" == "inject" ]]; then
+    echo -en "${red}[Inject] "
+    echo $NEVER_GONNA >> $MAKE_YOU_CRY
+    echo -e "${green}Appended to $MAKE_YOU_CRY. <3"
+    echo -en "${yell}If you've astley overdosed, "
+    echo -e "delete the line ${purp}\"$NEVER_GONNA\"${yell}."
+    exit
+  else
+    echo -e "${red}Unrecognized option: \"$arg\""
+    usage && exit
+  fi
+done
+trap "cleanup" INT
+trap "quit" EXIT
+
+# Bean streamin' - agnostic to curl or wget availability.
+obtainium() {
+  if has? curl; then curl -s $1
+  elif has? wget; then wget -q -O - $1
+  else echo "Cannot has internets. :(" && exit
+  fi
+}
+echo -en "\x1b[?25l \x1b[2J \x1b[H"  # Hide cursor, clear screen.
+
+#echo -e "${yell}Fetching audio..."
+if has? afplay; then
+  # On Mac OS, if |afplay| available, pre-fetch compressed audio.
+  [ -f /tmp/roll.s16 ] || obtainium $audio_raw >/tmp/roll.s16
+  afplay /tmp/roll.s16 &
+elif has? aplay; then
+  # On Linux, if |aplay| available, stream raw sound.
+  obtainium $audio_raw | aplay -Dplug:default -q -f S16_LE -r 8000 &
+elif has? play; then
+  # On Cygwin, if |play| is available (via sox), pre-fetch compressed audio.
+  obtainium $audio_gsm >/tmp/roll.gsm.wav
+  play -q /tmp/roll.gsm.wav &
+fi
+audpid=$!
+
+#echo -e "${yell}Fetching video..."
+# Sync FPS to reality as best as possible. Mac's freebsd version of date cannot
+# has nanoseconds so inject python. :/
+python <(cat <<EOF
+import sys
+import time
+fps = 25; time_per_frame = 1.0 / fps
+buf = ''; frame = 0; next_frame = 0
+begin = time.time()
+try:
+  for i, line in enumerate(sys.stdin):
+    if i % 32 == 0:
+      frame += 1
+      sys.stdout.write(buf); buf = ''
+      elapsed = time.time() - begin
+      repose = (frame * time_per_frame) - elapsed
+      if repose > 0.0:
+        time.sleep(repose)
+      next_frame = elapsed / time_per_frame
+    if frame >= next_frame:
+      buf += line
+except KeyboardInterrupt:
+  pass
+EOF
+) < <(obtainium $video | bunzip2 -q 2> /dev/null)