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Full Discussion: Tetris Game -- based on a shell script (new algorithm)
Top Forums Shell Programming and Scripting Tetris Game -- based on a shell script (new algorithm) Post 302606567 by Scrutinizer on Monday 12th of March 2012 04:53:22 AM
Old 03-12-2012
Cool script. As others have noted echo varies to much across implementations (even within bash), use the sure-fire portable printf instead to make your script more reliable.
If you run this on your code:
Code:
sed 's/echo -e \("[^"]*\)/printf \1\\n/g;s/echo -ne\{0,1\}/printf/g' tetris_script > new_tetris_script

Then it should replace problematic echo -e with printf and then it gives visible output on OSX too. But one problem remaining is that not all signal traps are supported on every OS (for example signal 34):
On OSX from bash:

Code:
$ kill -l
 1) SIGHUP	 2) SIGINT	 3) SIGQUIT	 4) SIGILL
 5) SIGTRAP	 6) SIGABRT	 7) SIGEMT	 8) SIGFPE
 9) SIGKILL	10) SIGBUS	11) SIGSEGV	12) SIGSYS
13) SIGPIPE	14) SIGALRM	15) SIGTERM	16) SIGURG
17) SIGSTOP	18) SIGTSTP	19) SIGCONT	20) SIGCHLD
21) SIGTTIN	22) SIGTTOU	23) SIGIO	24) SIGXCPU
25) SIGXFSZ	26) SIGVTALRM	27) SIGPROF	28) SIGWINCH
29) SIGINFO	30) SIGUSR1	31) SIGUSR2

On Linux from bash:
Code:
$ kill -l
 1) SIGHUP	 2) SIGINT	 3) SIGQUIT	 4) SIGILL	 5) SIGTRAP
 6) SIGABRT	 7) SIGBUS	 8) SIGFPE	 9) SIGKILL	10) SIGUSR1
11) SIGSEGV	12) SIGUSR2	13) SIGPIPE	14) SIGALRM	15) SIGTERM
16) SIGSTKFLT	17) SIGCHLD	18) SIGCONT	19) SIGSTOP	20) SIGTSTP
21) SIGTTIN	22) SIGTTOU	23) SIGURG	24) SIGXCPU	25) SIGXFSZ
26) SIGVTALRM	27) SIGPROF	28) SIGWINCH	29) SIGIO	30) SIGPWR
31) SIGSYS	34) SIGRTMIN	35) SIGRTMIN+1	36) SIGRTMIN+2	37) SIGRTMIN+3
38) SIGRTMIN+4	39) SIGRTMIN+5	40) SIGRTMIN+6	41) SIGRTMIN+7	42) SIGRTMIN+8
43) SIGRTMIN+9	44) SIGRTMIN+10	45) SIGRTMIN+11	46) SIGRTMIN+12	47) SIGRTMIN+13
48) SIGRTMIN+14	49) SIGRTMIN+15	50) SIGRTMAX-14	51) SIGRTMAX-13	52) SIGRTMAX-12
53) SIGRTMAX-11	54) SIGRTMAX-10	55) SIGRTMAX-9	56) SIGRTMAX-8	57) SIGRTMAX-7
58) SIGRTMAX-6	59) SIGRTMAX-5	60) SIGRTMAX-4	61) SIGRTMAX-3	62) SIGRTMAX-2
63) SIGRTMAX-1	64) SIGRTMAX

Last edited by Scrutinizer; 03-12-2012 at 06:20 AM..
This User Gave Thanks to Scrutinizer For This Post:
 

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LEARN ABOUT DEBIAN

netris

netris(6)							      Netris								 netris(6)

NAME

       netris - networked version of tetris

SYNOPSIS

       netris [-wFDSCHR] [-c host] [-p port] [-k keys] [-i sec] [-r robot] [-s seed]

DESCRIPTION

       The  object of the game Tetris is to fit the shapes together forming complete rows, which then vanish.  When the shapes fill up to the top,
       the game ends.  This version of Tetris can be played against other people over a network.

OPTIONS

       -w     Wait for connection from another host running netris.

       -c  host
	      Initiate connection to waiting netris running on host.

       -p  port
	      Set the port number to use for connecting to netris, the default port is 9284.

       -k  keys
	      Remap keys, the argument is a prefix of the string containing the keys in order: left, rotate, right, drop, down-faster, toggle-spy-
	      ing, pause, faster, redraw and new game. Use the "^" character to prefixes controls.  The default is to use "jkl mspf^ln".

       -i  sec
	      Set the step-down interval, in seconds.

       -r  robot
	      Execute robot (a command) as a robot controlling the game instead of the keyboard.

       -F     Use fair robot interface.

       -s  seed
	      Start with given random seed.

       -D     Drops go into drop mode, this means that sliding off a cliff after a drop causes another drop automatically.

       -S     Disable inverse/bold/color for slow terminals.

       -C     Disable color.

       -H     Show distribution and warranty information.

       -R     Show the rules of the game.

RULES

   Two player mode
       It's  just  like  normal  Tetris except that when you clear more than one row with a single piece, the other player's board is moved up and
       junk rows are added to the bottom.  If you clear 2, 3 or 4 rows, 1, 2 or 4 junk rows are added to your opponent's board, respectively.  The
       junk rows have exactly one empty column.  For each group of junk rows given, the empty columns will line up.  This is intentional.

       The longest surviving player wins the game.

   One player mode
       This  mode  is  currently very boring, because there's no scoring and it never gets any faster.	This will be rectified at some point.  I'm
       not very motivated to do it right now because I'm sick of one player Tetris.  For now, use the "f" key (by default) to  make  the  game	go
       faster.	Speed-ups cannot be reversed for the remainder of the game.

AUTHORS

       Netris was written by Mark H. Weaver <mhw@netris.org>.

       This manual page was written by Edward Betts <edward@debian.org>, for the Debian GNU/Linux system (but may be used by others).

0.5								    3 Aug 2001								 netris(6)
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