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Full Discussion: Bash function failing with [: too many arguments
Top Forums Shell Programming and Scripting Bash function failing with [: too many arguments Post 303004867 by jakeroberts on Tuesday 10th of October 2017 09:13:37 AM
Old 10-10-2017
Quote:
Originally Posted by Scott
The first thing I would usually do here is echo the variables before the test (before the if), and do some sanitation on them. I would also declare each variable on its own line, and quote them when using them.
Thanks for the quick replies. I'm at work now, but I will try this when I get home. Thanks again.
 

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LEARN ABOUT CENTOS

glfrustum

GLFRUSTUM(3G)							   OpenGL Manual						     GLFRUSTUM(3G)

NAME

       glFrustum - multiply the current matrix by a perspective matrix

C SPECIFICATION

       void glFrustum(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble nearVal, GLdouble farVal);

PARAMETERS

       left, right
	   Specify the coordinates for the left and right vertical clipping planes.

       bottom, top
	   Specify the coordinates for the bottom and top horizontal clipping planes.

       nearVal, farVal
	   Specify the distances to the near and far depth clipping planes. Both distances must be positive.

DESCRIPTION

       glFrustum describes a perspective matrix that produces a perspective projection. The current matrix (see glMatrixMode()) is multiplied by
       this matrix and the result replaces the current matrix, as if glMultMatrix() were called with the following matrix as its argument:

       2  nearVal right - left 0 A 0 0 2  nearVal top - bottom B 0 0 0 C D 0 0 -1 0

       A = right + left right - left

       B = top + bottom top - bottom

       C = - farVal + nearVal farVal - nearVal

       D = - 2	farVal	nearVal farVal - nearVal

       Typically, the matrix mode is GL_PROJECTION, and left bottom - nearVal and right top - nearVal specify the points on the near clipping
       plane that are mapped to the lower left and upper right corners of the window, assuming that the eye is located at (0, 0, 0).  - farVal
       specifies the location of the far clipping plane. Both nearVal and farVal must be positive.

       Use glPushMatrix() and glPopMatrix() to save and restore the current matrix stack.

NOTES

       Depth buffer precision is affected by the values specified for nearVal and farVal. The greater the ratio of farVal to nearVal is, the less
       effective the depth buffer will be at distinguishing between surfaces that are near each other. If

       r = farVal nearVal

       roughly log 2  r bits of depth buffer precision are lost. Because r approaches infinity as nearVal approaches 0, nearVal must never be set
       to 0.

ERRORS

       GL_INVALID_VALUE is generated if nearVal or farVal is not positive, or if left = right, or bottom = top, or near = far.

       GL_INVALID_OPERATION is generated if glFrustum is executed between the execution of glBegin() and the corresponding execution of glEnd().

ASSOCIATED GETS

       glGet() with argument GL_MATRIX_MODE

       glGet() with argument GL_MODELVIEW_MATRIX

       glGet() with argument GL_PROJECTION_MATRIX

       glGet() with argument GL_TEXTURE_MATRIX

       glGet() with argument GL_COLOR_MATRIX

SEE ALSO

       glOrtho(), glMatrixMode(), glMultMatrix(), glPushMatrix(), glViewport()

COPYRIGHT

       Copyright (C) 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see
       http://oss.sgi.com/projects/FreeB/.

AUTHORS

       opengl.org

opengl.org							    06/10/2014							     GLFRUSTUM(3G)
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