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Full Discussion: Two files String compare
Top Forums Shell Programming and Scripting Two files String compare Post 303020631 by MadeInGermany on Tuesday 24th of July 2018 12:11:36 PM
Old 07-24-2018
If you have bash 4 you can do it elegantly.
Code:
#!/bin/bash
# bash version 4 required

# associative array
declare -A AR

# read file into array, key is col1
while IFS=':' read col1 col2
do
  AR[$col1]=$col2
done < file2.txt

# lookup the key col1 in array
while IFS=':' read col1 col2 col3
do
  lookup=${AR[$col1]}
  if [ -n "$lookup" ]
  then
    echo "$col1,$col2,$col3,$lookup"
  else
    echo "no match: $col1"
  fi
done < file1.txt

 

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LEARN ABOUT SUSE

rendercheck

rendercheck(1)						      General Commands Manual						    rendercheck(1)

NAME

       rendercheck - simple tests of the X Render extension.

SYNOPSIS

       rendercheck [-d|--display display] [-i|--iter] [--sync] [-t|--tests test1,test2,test3,...] [-o|--ops op1,op2,op3,...]
       [-v|--verbose] [--minimalrendering]

DESCRIPTION

       rendercheck is a set of simple tests of the X Render extension.	It is designed for authors of Render implementations in X Servers.

OPTIONS

       -d|--display display
	      Specifies the display to test against.

       -i|--iter iterations
	      Specifies  the number of times to repeat each operation before sampling results.	Some X Servers may behave differently (hardware vs
	      software rendering paths) depending on the previous operations done, so this may be used to influence the server's choices.

       --sync Enables synchronous xlib operation, for debugging.

       -t|--tests test1,test2,test3...
	      Enables only a specific subset of the possible tests.  Test names include  fill,	dcoords,  scoords,  mcoords,  tscoords,  tmcoords,
	      blend, composite, cacomposite, gradients, repeat, triangles, and bug7366.  Names must be separated by commas and have no spaces.

       -f|--formats format1,format2,format3...
	      Enables  only  a	specific  subset  of the possible formats.  Only formats listed in the server-supported format list are available.
	      Names must be separated by commas and have no spaces.

       -o|--ops
	      Enables only a specific subset of the Render operators.

       -v|--verbose
	      Enables verbose printing of information on tests run, and successes and failures.

       --minimalrendering
	      Disables copying of offscreen destinations to the window, which is on by default to provide the user with visual feedback.

BUGS

       Several	limitations  are  documented  in  the  TODO  file  accompanying  the  source.	Please	report	any  further  bugs  you  find	to
       http://bugs.freedesktop.org/.

AUTHORS

       Eric Anholt, with help from Keith Packard.

																    rendercheck(1)
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