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Top Forums Shell Programming and Scripting Optimizing script to reduce execution time Post 302994664 by SkySmart on Sunday 26th of March 2017 01:48:50 PM
Old 03-26-2017
Quote:
Originally Posted by RudiC
This gives an identical output - for any purpose whatsoever - in one awk statement:
Code:
awk -vFN="$FILENAME" '
BEGIN   {LFN = length(FN) + 1
         for (i=0; i<LFN-1; i++){EMPTY = sprintf ("u1u1.%*s", i*LFN, "")
                                 printf "%s\n%s%s%s\n%s\n", EMPTY, EMPTY, substr(FN, i+1, 1), EMPTY, EMPTY
                                }
        }
'

this is good enough for me. thank you very much!!!!
it is perfect!
 

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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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