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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 OSF1

pthread_kill

pthread_kill(3) 					     Library Functions Manual						   pthread_kill(3)

NAME

       pthread_kill - Delivers a signal to a specified thread. (This routine is available only on a UNIX system.)

LIBRARY

       DECthreads POSIX 1003.1c Library (libpthread.so)

SYNOPSIS

       #include <pthread.h> #include <signal.h>

       int   pthread_kill(
			   pthread_t   thread,
			   int	       sig);

STANDARDS

       Interfaces documented on this reference page conform to industry standards as follows:

       IEEE Std 1003.1c-1995, POSIX System Application Program Interface

PARAMETERS

       Thread to receive a signal request.  A signal request.

DESCRIPTION

       This  routine sends a signal to the specified target thread thread.  Any signal defined to stop, continue, or terminate will stop or termi-
       nate the process, even though it can be handled by the thread.  For example, SIGTERM terminates all threads in the process, even though	it
       can be handled by the target thread.

       Specifying a sig argument of zero (0) causes this routine to validate the thread argument but not to deliver any signal.

       The name of the "kill" routine is sometimes misleading, because many signals do not terminate a thread.

       The  various  signals  are  as follows: SIGHUP, SIGPIPE, SIGTTIN SIGINT, SIGALRM, SIGTTOU SIGQUIT, SIGTERM, SIGIO SIGTRAP, SIGUSR1, SIGXCPU
       SIGABRT, SIGSYS, SIGXFSZ SIGEMT, SIGURG, SIGVTALRM SIGFPE, SIGSTOP, SIGPROF SIGKILL, SIGTSTP, SIGINFO  SIGBUS,  SIGCONT,  SIGUSR1  SIGSEGV,
       SIGCHLD, SIGUSR2

       If this routine does not execute successfully, no signal is sent.

RETURN VALUES

       If  an  error condition occurs, this routine returns an integer value indicating the type of error.  Possible return values are as follows:
       Successful completion.  The value of sig is invalid or unsupported signal value.  The value of thread does not specify an existing thread.

ERRORS

       None

RELATED INFORMATION

       Manuals: Guide to DECthreads and Programmer's Guide

       delim off

																   pthread_kill(3)
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