09-06-2009
Yes, you can schedule a script to run daily. See "man crontab".
As for your script, what you want to do is:
- split your csv entry apart using the "split" function
- get rid of the first/last two with a combination of pop/shift or else splice
- join the remaining fields back together using "join" function
The above is a basic outline of required steps (ignoring i/o operations). This should be easy enough to program. As a first try, I would say ignore that there might be records with 3 or less fields (as I don't know your input). Once you have the basic program working, then you might want to consider whether you need to code for any possible exceptions.
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LEARN ABOUT DEBIAN
anydata::format::csv
AnyData::Format::CSV(3pm) User Contributed Perl Documentation AnyData::Format::CSV(3pm)
NAME
AnyData::Format::CSV - tiedhash & DBI/SQL access to CSV data
SYNOPSIS
use AnyData;
my $table = adTable( 'CSV', $filename,'r',$flags );
while (my $row = each %$table) {
print $row->{name},"
" if $row->{country} =~ /us|mx|ca/;
}
# ... other tied hash operations
OR
use DBI
my $dbh = DBI->connect('dbi:AnyData:');
$dbh->func('table1','CSV', $filename,$flags,'ad_catalog');
my $hits = $dbh->selectall_arrayref( qq{
SELECT name FROM table1 WHERE country = 'us'
});
# ... other DBI/SQL operations
DESCRIPTION
This is a plug-in format parser for the AnyData and DBD::AnyData modules. It will read column names from the first row of the file, or
accept names passed by the user. In addition to column names, the user may set other options as follows:
col_names : a comma separated list of column names
eol : the end of record mark,
by default
quote_char : the character used to quote fields " by default
escape_char : the character used to escape the quote char, " by default
If you are using this with DBD::AnyData, put ad_ in front of the flags, e.g. ad_eol.
Please refer to the documentation for AnyData.pm and DBD::AnyData.pm for further details.
AUTHOR & COPYRIGHT
copyright 2000, Jeff Zucker <jeff@vpservices.com> all rights reserved
perl v5.10.1 2004-08-17 AnyData::Format::CSV(3pm)