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Top Forums Shell Programming and Scripting In Sed how can I replace starting from the 7th character to the 15th character. Post 302455951 by rdcwayx on Wednesday 22nd of September 2010 08:39:16 PM
Old 09-22-2010
by awk substr function.

Code:
VAR1=000004785
VAR2="ACCTRL000005022RRWDKKEEDKDD...." 

VAR3=$( echo $VAR2|awk -v s=$VAR1 '{sub(substr($0,7,9),s)}1' )

 

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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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