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Full Discussion: file is getting overwritten
Top Forums Shell Programming and Scripting file is getting overwritten Post 302446273 by ranjithpr on Wednesday 18th of August 2010 06:52:45 AM
Old 08-18-2010
Hi Arun,

It can be done with a small change in logic.

Code:
output="loop.csv"
tempfile="loop.tmp"
>$output
elements=${#currency_pair[@]}

for((i=0;i<$elements;i++)); do
  echo ${currency_pair[${i}]}
  results=`isql -U$DBLOGIN -P$DBPASSWD -D$DBNAME -b -w 2000 -s',' - o$tempfile <<EOF
 select Code,BidRate,AskRate from FXPoint where RelativeDateType = 1  and
(Code = '${currency_pair[${i}]}')
go
EOF`
cat $tempfile >> $output
rm -f $tempfile
done

Regards,

Ranjith
 

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LEARN ABOUT DEBIAN

ifpps

ifpps(8)							netsniff-ng-toolkit							  ifpps(8)

NAME

       ifpps - fetch and format kernel network statistics

SYNOPSIS

       ifpps	 -d|--dev <netdev> [-t|--interval <sec>][-p|--promisc][-c|--term]
	    [-C|--csv][-H|--csv-tablehead][-l|--loop][-v|--version][-h|--help]

DESCRIPTION

       A tiny tool to provide top-like reliable networking statistics.	ifpps reads out the 'real' kernel statistics, so it does not give
       erroneous statistics on high I/O load.

OPTIONS

       ifpps --dev eth0
	   Fetch eth0 interface statistics.

       ifpps --dev eth0 --interval 60 --csv
	   Output eth0 interface statistics every minute in CSV format.

OPTIONS

       -h|--help
	   Print help text and lists all options.

       -v|--version
	   Print version.

       -d|--dev <netdev>
	   Device to fetch statistics for i.e., eth0.

       -p|--promisc
	   Put the device in promiscuous mode

       -t|--interval <time>
	   Refresh time in sec (default 1 sec)

       -c|--term
	   Output to terminal

       -C|--csv
	   Output in CSV format.  E.g. post-processing with Gnuplot et al.

       -H|--csv-tablehead
	   Print CSV table head.

       -l|--loop
	   Loop terminal output.

AUTHOR

       Written by Daniel Borkmann <daniel@netsniff-ng.org>

DOCUMENTATION

       Documentation by Emmanuel Roullit <emmanuel@netsniff-ng.org>

BUGS

       Please report bugs to <bugs@netsniff-ng.org>

								    2012-06-29								  ifpps(8)
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