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Full Discussion: Deleting columns passed as arguments to the script
Top Forums Shell Programming and Scripting Deleting columns passed as arguments to the script Post 302615617 by agama on Thursday 29th of March 2012 10:39:56 PM
Old 03-29-2012
Quote:
Originally Posted by 47shailesh
you can specify column to print rather than column to delete and make code more simpler:

Code:
awk -F"" '{print $1$3}'  infile

Yes, but this doesn't allow the columns to be specified dynamically. Something like the code below (provided your awk supports the -v option) will work:

Code:
awk -F "" -v collist="$columns_num_list" '
    BEGIN { OFS=""; ncol = split( collist, cols, "," ); }
    {
        for( i = 1; i <= ncol; i++ )
            $(cols[i]) = "";
        print;
    }
'  file_name.txt >new-file

Last edited by agama; 03-29-2012 at 11:40 PM.. Reason: formatting
This User Gave Thanks to agama For This Post:
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LEARN ABOUT CENTOS

sieveshell

SIEVESHELL(1)						User Contributed Perl Documentation					     SIEVESHELL(1)

NAME

       sieveshell - remotely manipulate sieve scripts

SYNOPSIS

       sieveshell [--user=user] [--authname=authname] [--realm=realm] [--exec=script] server[:port]

       sieveshell --help

DESCRIPTION

       sieveshell allows users to manipulate their scripts on a remote server.	It works via MANAGESIEVE, a work in progress.

       The following commands are recognized:

	   list list scripts on server.

	   put <filename> upload script to server.

	   get <name> [<filename>] get script. if no filename display to stdout

	   delete <name> delete script.

	   activate <name> activate script.

	   deactivate deactivate all scripts.

OPTIONS

       -u user, --user=user
	   The authorization name to request; by default, derived from the authentication credentials.

       -a authname, --authname=authname
	   The user to use for authentication (defaults to current user).

       -r realm, --realm=realm
	   The realm to attempt authentication in.

       -e script, --exec=script
	   Instead of working interactively, run commands from script, and exit when done.

REFERENCES

       [MANAGESIEVE] Martin, T.; "A Protocol for Remotely Managing Sieve Scripts", draft-ietf-managesieve-03.txt, Mirapoint, Inc.; May 2001, work
       in progress.

AUTHOR

       Tim Martin <tmartin@mirapoint.com>, and the rest of the Cyrus team <cyrus-bugs@andrew.cmu.edu>.

perl v5.16.3							    2014-06-10							     SIEVESHELL(1)
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