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Full Discussion: Need help with Isql record count
Top Forums Shell Programming and Scripting Need help with Isql record count Post 302096784 by johnu122 on Saturday 18th of November 2006 11:31:09 AM
Old 11-18-2006
Quote:
Originally Posted by shashikandi
The reason is sql returns like this if there are no matching records.

column1 column2 column3 ...
------------------------------------------------------
(0 rows affected)

The reccnt=`wc -l tmp_isql.status` always returns more than 0.

May be you can try this.
recount='cat tmp_isql.status |awk 'NR >3' |grep -v - | grep -v return'

if [$recount != "(0 rows affected)"]
message="no records returned"
echo $message>>ss_pto.status
else
cat tmp_isql.status>>ss_pto.status

mailx -s"SS PTO" -senders email reciepents email < ss_pto.status

Here change ' NR>3' according to the number of lines for columns headings

Hope this piece of code is useful to you.
Thanks I got it to work just had one trouble and that was the variable $recount ended up having a carriage return in it so the compare kept failing. I ended up writing it to a file then using the file results. I am not sure if there is a better or easier way but here is what I did.
Code:
recount='cat tmp_isql.status |awk 'NR >1' |grep -v - | grep -v return'

echo $recount>temprecount
recount2=`cat temprecount`

if ["$recount2" = "(0 rows affected)"]
message="no records returned"
echo $message>>ss_pto.status
else
cat tmp_isql.status>>ss_pto.status

 

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LEARN ABOUT DEBIAN

dpigs

DPIGS(1)						   Debian-goodies documentation 						  DPIGS(1)

NAME

       dpigs - Show which installed packages occupy the most space

SYNOPSIS

       dpigs [options]

DESCRIPTION

       dpigs sorts the installed packages by size and outputs the largest ones. Per default dpigs displays the largest 10 packages. You can change
       this value by using the -n option (see "OPTIONS"). The information is taken from the dpkg status file with grep-status(1).

OPTIONS

       -h, --help
	   Display some usage information and exit.

       -n, --lines=N
	   Display the N largest packages on the system (default 10).

       -s, --status=FILE
	   Use FILE instead of the default dpkg status file (which is /var/lib/dpkg/status currently).

       -S, --source
	   Display the largest source packages of binary packages installed on the system.

AUTHOR

       Matt Zimmerman <mdz@debian.org>

       This manpage was written by Frank Lichtenheld <frank@lichtenheld.de>.

COPYRIGHT AND LICENCE

       Copyright (C) 2001 Matt Zimmerman <mdz@debian.org>.

       This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
       the Free Software Foundation; either version 2, or (at your option) any later version.

       On Debian systems, a copy of the GNU General Public License may be found in /usr/share/common-licenses/GPL.

SEE ALSO

       dpkg(8), grep-status(1)

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