I need help in extracting specific data from log files.
The log file has 51 fields I only need 11 fields from
that file. I need to "open" to a new file output with
only the data from the 11 fields. The new file
will be specific to the customers. I have 10-20 customers
in each log file I need to create a new log file
per customer with only the pertinent data.
Here is what I have so for, any suggestions or help with
this is thoroughly appreciated.
#!/usr/bin/perl -w
#
# parselog.pl - Script to split log files by customer
#
use warnings;
my $logfile; # input log file
my $media; # media type
my %cust; # hash of all customers found in $logfile
my $thiscust; # customer derived from current input line
my @fields; # input logfile fields
my $thiscustlog; # file handle to current customer's logfile
my $prefix; # cust logfile prefix
my $suffix; # cust logfile suffix
$logfile = $ARGV[0];
if ( $logfile =~ /WMS/ ) {
$media = "wms";
$prefix = "/usr/home/script/${media}_cust/";
$suffix = ".$media.log";
} else {
die "Unknown file format";
}
open (LOGFILE, "< $logfile") or die ("Could not open $logfile.");
while (<LOGFILE>) {
if ( /^[0-9]/ ) {
@fields = split;
$thiscust = (split /\//, $fields[4])[1];
if ( ! exists ($cust{$thiscust}) ) {
print "customer $thiscust\n";
$cust{$thiscust} = $thiscust;
open ($thiscust, ">> ${prefix}${thiscust}${suffix}")
or die ("Cannot open
${prefix}${thiscust}${suffix}");
}
print $thiscust $_;
}
}
foreach $thiscust (%cust) {
close $thiscust;
}
exit 0;
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