/usr/share/doc/ruby1.8-examples/examples/curses/rain.rb is in ruby1.8-examples 1.8.7.352-2ubuntu1.6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | #!/usr/bin/ruby1.8
# rain for a curses test
require "curses"
include Curses
def onsig(sig)
close_screen
exit sig
end
def ranf
rand(32767).to_f / 32767
end
# main #
for i in 1 .. 15 # SIGHUP .. SIGTERM
if trap(i, "SIG_IGN") != 0 then # 0 for SIG_IGN
trap(i) {|sig| onsig(sig) }
end
end
init_screen
nl
noecho
srand
xpos = {}
ypos = {}
r = lines - 4
c = cols - 4
for i in 0 .. 4
xpos[i] = (c * ranf).to_i + 2
ypos[i] = (r * ranf).to_i + 2
end
i = 0
while TRUE
x = (c * ranf).to_i + 2
y = (r * ranf).to_i + 2
setpos(y, x); addstr(".")
setpos(ypos[i], xpos[i]); addstr("o")
i = if i == 0 then 4 else i - 1 end
setpos(ypos[i], xpos[i]); addstr("O")
i = if i == 0 then 4 else i - 1 end
setpos(ypos[i] - 1, xpos[i]); addstr("-")
setpos(ypos[i], xpos[i] - 1); addstr("|.|")
setpos(ypos[i] + 1, xpos[i]); addstr("-")
i = if i == 0 then 4 else i - 1 end
setpos(ypos[i] - 2, xpos[i]); addstr("-")
setpos(ypos[i] - 1, xpos[i] - 1); addstr("/ \\")
setpos(ypos[i], xpos[i] - 2); addstr("| O |")
setpos(ypos[i] + 1, xpos[i] - 1); addstr("\\ /")
setpos(ypos[i] + 2, xpos[i]); addstr("-")
i = if i == 0 then 4 else i - 1 end
setpos(ypos[i] - 2, xpos[i]); addstr(" ")
setpos(ypos[i] - 1, xpos[i] - 1); addstr(" ")
setpos(ypos[i], xpos[i] - 2); addstr(" ")
setpos(ypos[i] + 1, xpos[i] - 1); addstr(" ")
setpos(ypos[i] + 2, xpos[i]); addstr(" ")
xpos[i] = x
ypos[i] = y
refresh
sleep(0.5)
end
# end of main
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