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Full Discussion: Cut the filename
Top Forums Shell Programming and Scripting Cut the filename Post 302827807 by RavinderSingh13 on Sunday 30th of June 2013 09:51:14 PM
Old 06-30-2013
Quote:

Hi ,
I've the following file names and i need the part of the file name
The files are like below


Code:
FN_DATE_TODAY_20010178654321.txtFN_DATE_LASTDAY_19990178654321.txt

and i need to cut the filenames like below


Code:
FN_DATE_TODAYFN_DATE_LASTDAY

How can i achieve that
Thanks

Hello,

Assuming that you have 18 characters after your file name including digits and .txt extension.



Code:
 
ls -ltr | grep -i "FN*" > test
 
cat test| awk '{for(i=0;i<=NF;i++) sub(/...................$/,X,$i)}1'
FN_DATE_TODAY
FN_DATE_LASTDAY



Hope it may help you.


Thanks,
R. Singh
 

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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). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+-----------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+-----------------+ |Availability | SUNWgawk | +--------------------+-----------------+ |Interface Stability | Volatile | +--------------------+-----------------+ NOTES
Source for gawk is available on http://opensolaris.org. Free Software Foundation Nov 3 1999 IGAWK(1)
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