08-28-2017
Hi ,
Please find below my response :
All the csv files are not sorted on field 38 but field 38 contains only numerical values.
Each distinct value appear only in one file.Each distinct value won't be there in multiple files.
We are not processing 3 files only.It can be around 100-120 files.
As all the input files(around 120) can contains data in millions.If system data size exceeds 400gb ,there is chance if system blown up ,that's why we not merging all the files.
We need total distinct count on field 38 on all the files present on the directory.
As I'm relatively new to the scripting area ,can you please help me with the above requirement.Your help will be very much appreciated.
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LEARN ABOUT DEBIAN
bb-csvinfo.cgi
BB-CSVINFO.CGI(1) General Commands Manual BB-CSVINFO.CGI(1)
NAME
bb-csvinfo.cgi - CGI program to show host information from a CSV file
SYNOPSIS
bb-csvinfo.cgi
DESCRIPTION
bb-csvinfo.cgi is invoked as a CGI script via the bb-csvinfo.sh CGI wrapper. Based on the parameters it receives, it searches a comma-
separated file for the matching host, and presents the information found as a table.
bb-csvinfo.cgi is passed a QUERY_STRING environment variable with the following parameters:
key (string to search for, typically hostname)
column (columnnumber to search - default 0)
db (name of the CSV database file in $BBHOME/etc/, default hostinfo.csv)
delimiter (delimiter character for columns, default semi-colon)
CSV files are easily created from e.g. spreadsheets, by exporting them in CSV format. You should have one host per line, with the first
line containing the column headings. Despite their name, the default delimiter for CSV files is the semi-colon - if you need a different
delimiter, invoke bb-csvinfo.cgi with the "delimiter=<character>" in the query string.
Example usage
This example shows how you can use the bb-csvinfo CGI. It assumes you have a CSV-formatted file with information about the hosts stored as
$BBHOME/etc/hostinfo.csv, and the hostname is in the first column of the file.
Use with the bbgen --docurl
The --docurl option to bbgen(1) sets up all of the hostnames on your Xymon webpages to act as links to a CGI script. To invoke the
bb-csvinfo CGI script, run bbgen with the option
--docurl=/cgi-bin/bb-csvinfo.sh?db=hostinfo.csv&key=%s
SEE ALSO
bb-hosts(5), hobbitserver.cfg(5), bbgen(1)
Xymon Version 4.2.3: 4 Feb 2009 BB-CSVINFO.CGI(1)