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Full Discussion: Help in renaming file !!!
Top Forums UNIX for Dummies Questions & Answers Help in renaming file !!! Post 302116128 by ghostdog74 on Wednesday 2nd of May 2007 04:11:07 AM
Old 05-02-2007
just one of the many ways:
Code:
newfile=$( echo 04302007_xxx_yyy_aaa_bbb.txt  |awk 'BEGIN { FS = "."}
						 {	
							n = split($1,s1,"_")
							for(i=2;i<=n;i++) printf "%s_",s1[i]
							printf "%s.%s\n",s1[1] , $2
						 }' )
echo $newfile

output:
Code:
# ./test.sh
xxx_yyy_aaa_bbb_04302007.txt

 

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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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