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Full Discussion: Create Dynamic if condition
Top Forums Shell Programming and Scripting Create Dynamic if condition Post 302943644 by rbatte1 on Monday 11th of May 2015 12:06:14 PM
Old 05-11-2015
Would something like this, base on a case statement work?
Code:
$ cat case_test
t1=Red
t2=Yellow
t3=Green
t4=Brown
t5=Blue
t6=Pink
t7=Black

case $1 in
 $t1) echo "The red ball is worth 1 point."         ;;
 $t2) echo "The yellow ball is worth 2 points."     ;;
 $t3) echo "The green ball is worth 3 points."      ;;
 $t4) echo "The brown ball is worth 4 points."      ;;
 $t5) echo "The blue ball is worth 5 points."       ;;
 $t6) echo "The pink ball is worth 6 points."       ;;
 $t7) echo "The black ball is worth 7 points."      ;;
 *)   echo "Any other option is a foul."            ;;
esac

I get the following simple sample output:-
Code:
$ ./case_test Yellow
The yellow ball is worth 2 points.
$ ./case_test White 
Any other option is a foul.
$

You could easily set the variables t1, t2, t3 etc. based on your tail output and set all the others to be dummy or the like to effectively switch off those tests.


Does that give you an angle?



Robin
 

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LEARN ABOUT DEBIAN

boing

boing(6x)							XScreenSaver manual							 boing(6x)

NAME

       boing - draws a bouncing ball like the ancient Amiga demo

SYNOPSIS

       boing  [-display  host:display.screen]  [-window]  [-root]  [-install]  [-visual  visual] [-delay usecs] [-smooth] [-lighting] [-scanlines]
       [-speed] [-no-spin] [-angle degrees] [-size ratio] [-parallels n] [-meridians n] [-wireframe] [-fps]

DESCRIPTION

       The boing program draws a bouncing checkered ball on a grid.

       This is a clone of the first graphics demo for the Amiga 1000, which was written by Dale Luck and RJ Mical during a break at the 1984  Con-
       sumer Electronics Show (or so the legend goes.)	The boing ball was briefly the official logo of Amiga Inc., until they were bought by Com-
       modore later that year.

       With no arguments, this program looks a lot like the original Amiga demo. With "-smooth -lighting", it looks... less old.

OPTIONS

       boing accepts the following options:

       -window Draw on a newly-created window.	This is the default.

       -root   Draw on the root window.

       -install
	       Install a private colormap for the window.

       -visual visual
	       Specify which visual to use.  Legal values are the name of a visual class, or the id number (decimal or hex) of a specific visual.

       -delay usecs
	       The delay between frames of the animation, in microseconds: default 15000.

       -smooth Draw a smooth sphere instead of a faceted polyhedron.

       -lighting
	       Do shaded lighting instead of flat colors.

       -scanlines
	       If the window is large enough, draw horizontal lines to simulate the scanlines on a low resolution monitor.

       -speed ratio
	       Change the animation speed; 0.5 to go half as fast, 2.0 to go twice as fast.

       -no-spin
	       Don't rotate the ball.

       -angle degrees
	       The jaunty angle at which the ball sits.  Default 15 degrees.

       -size ratio
	       How big the ball is; default 0.5 meaning about half the size of the window.

       -parallels n
	       -meridians n The pattern of rectangles on the ball.  Default 8x16.

       -wireframe
	       Look crummy.

       -fps    Display the current frame rate, CPU load, and polygon count.

ENVIRONMENT

       DISPLAY to get the default host and display number.

       XENVIRONMENT
	       to get the name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property.

SEE ALSO

       bsod(6x), pong(6x), xscreensaver(1), X(1)

COPYRIGHT

       Copyright (C) 2005 by Jamie Zawinski.  Permission to use, copy, modify, distribute, and sell this software and its  documentation  for  any
       purpose	is  hereby  granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice
       and this permission notice appear in supporting documentation.  No representations are made about the suitability of this software for  any
       purpose.  It is provided "as is" without express or implied warranty.

AUTHOR

       Jamie Zawinski <jwz@jwz.org>, 19-Feb-2005.

X Version 11							5.15 (28-Sep-2011)							 boing(6x)
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