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Full Discussion: comparing two files using awk
Top Forums Shell Programming and Scripting comparing two files using awk Post 302471473 by jack.bauer on Saturday 13th of November 2010 04:20:07 AM
Old 11-13-2010
comparing two files using awk
hit brick wall while trying to knock up a script that will take values from the "lookup" file and look it up in the "target" file and return values that dont appear in "target" but do in "lookup".

just knocked up something using bits from previous threads but theres gotta be something wrong with the syntax as it will not execute properly.

it does print the output but also complains about "awk: cmd. line:2: (FILENAME=lookup FNR=4) fatal: `continue' outside a loop is not allowed" at the same time


first time im using awk, and pretty novice at shell in general.

Code:
#!/bin/bash
awk 'FILENAME=="target" {arr[$0]++}
        FILENAME=="lookup" { if ($0 in arr) {continue}
        else {print $0}}' target lookup
exit 0

lookup contains
tom
ronnie
sam
naiz
mum
kash

target contains
naiz
mum
kash

output should be
tom
ronnie
sam
Last edited by jack.bauer; 11-13-2010 at 05:38 AM..
 

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LEARN ABOUT REDHAT

glgetcolortableparameter

GLGETCOLORTABLEPARAMETER(3G)											      GLGETCOLORTABLEPARAMETER(3G)

NAME

       glGetColorTableParameterfv, glGetColorTableParameteriv - get color lookup table parameters

C SPECIFICATION

       void glGetColorTableParameterfv( GLenum target,
					GLenum pname,
					GLfloat *params )
       void glGetColorTableParameteriv( GLenum target,
					GLenum pname,
					GLint *params )

PARAMETERS

       target  The   target   color   table.	Must   be   GL_COLOR_TABLE,   GL_POST_CONVOLUTION_COLOR_TABLE,	 GL_POST_COLOR_MATRIX_COLOR_TABLE,
	       GL_PROXY_COLOR_TABLE, GL_PROXY_POST_CONVOLUTION_COLOR_TABLE, GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE.

       pname   The  symbolic  name  of	a  color  lookup  table  parameter.    Must   be   one	 of   GL_COLOR_TABLE_BIAS,   GL_COLOR_TABLE_SCALE,
	       GL_COLOR_TABLE_FORMAT,	 GL_COLOR_TABLE_WIDTH,	 GL_COLOR_TABLE_RED_SIZE,   GL_COLOR_TABLE_GREEN_SIZE,	 GL_COLOR_TABLE_BLUE_SIZE,
	       GL_COLOR_TABLE_ALPHA_SIZE, GL_COLOR_TABLE_LUMINANCE_SIZE, or GL_COLOR_TABLE_INTENSITY_SIZE.

       params  A pointer to an array where the values of the parameter will be stored.

DESCRIPTION

       Returns parameters specific to color table target.

       When pname is set to GL_COLOR_TABLE_SCALE or GL_COLOR_TABLE_BIAS, glGetColorTableParameter returns the color table scale or bias parameters
       for  the  table	specified  by  target.	 For  these  queries,  target  must  be set to GL_COLOR_TABLE, GL_POST_CONVOLUTION_COLOR_TABLE, or
       GL_POST_COLOR_MATRIX_COLOR_TABLE and params points to an array of four elements, which receive the scale or bias factors  for  red,  green,
       blue, and alpha, in that order.

       glGetColorTableParameter  can  also be used to retrieve the  and size parameters for a color table. For these queries, set target to either
       the color table target or the proxy color table target.	The  and size parameters are set by glColorTable.

       The following table lists the  and size parameters that may be queried.	For each symbolic constant listed below  for  pname,  params  must
       point to an array of the given length, and receive the values indicated.

					   -------------------------------------------------------------------
					   Parameter			   N   Meaning
					   -------------------------------------------------------------------
					   GL_COLOR_TABLE_FORMAT	   1   Internal  (e.g. GL_RGBA)
					   GL_COLOR_TABLE_WIDTH 	   1   Number of elements in table
					   GL_COLOR_TABLE_RED_SIZE	   1   Size of red component, in bits
					   GL_COLOR_TABLE_GREEN_SIZE	   1   Size of green component
					   GL_COLOR_TABLE_BLUE_SIZE	   1   Size of blue component
					   GL_COLOR_TABLE_ALPHA_SIZE	   1   Size of alpha component
					   GL_COLOR_TABLE_LUMINANCE_SIZE   1   Size of luminance component
					   GL_COLOR_TABLE_INTENSITY_SIZE   1   Size of intensity component
					   -------------------------------------------------------------------

NOTES

       glGetColorTableParameter is present only if GL_ARB_imaging is returned when glGetString is called with an argument of GL_EXTENSIONS.

ERRORS

       GL_INVALID_ENUM is generated if target or pname is not an acceptable value.

       GL_INVALID_OPERATION  is generated if glGetColorTableParameter is executed between the execution of glBegin and the corresponding execution
       of glEnd.

SEE ALSO

       glColorTable(3G), glTexParameter(3G), glColorTableParameter(3G)

														      GLGETCOLORTABLEPARAMETER(3G)
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