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Full Discussion: Awk limitation
Top Forums Shell Programming and Scripting Awk limitation Post 302137104 by Perderabo on Saturday 22nd of September 2007 05:52:47 AM
Old 09-22-2007
Threads like this are why folks need to mention what version of Unix is in use. awk can only support finite input lines. How long those lines can be varies from system to system. Posix says it must be at least LINE_MAX which is a constant that must appear in limits.h and that must be at least 2048. Some version of Unix can handle 4000 character lines while others can't.
 

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IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME
igawk - gawk with include files SYNOPSIS
igawk [ all gawk options ] -f program-file [ -- ] file ... igawk [ all gawk options ] [ -- ] program-text file ... DESCRIPTION
Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1). AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like @include getopt.awk in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path. OPTIONS
See gawk(1) for a full description of the AWK language and the options that gawk supports. EXAMPLES
cat << EOF > test.awk @include getopt.awk BEGIN { while (getopt(ARGC, ARGV, "am:q") != -1) ... } EOF igawk -f test.awk SEE ALSO
gawk(1) Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995. AUTHOR
Arnold Robbins (arnold@skeeve.com). Free Software Foundation Nov 3 1999 IGAWK(1)
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