We call perl scripts from within a IBM tool. The way we do this is make a call to JAVA runtime process and run a perl command on the server, the java process returns the output/error of the PERL script. In our testing we found at times the java process just hangs. Looks like the PERL script doesnt throw any output or error and just quits?? code is below

=cut
use strict;
use warnings;

my $infilename = $ARGV[0];
my $outfilename = $ARGV[1];
my $header = $ARGV[2];
my $readoffset = $ARGV[3];
my $readreccnt = $ARGV[4];
my $inreccnt = 0;
my $outreccnt = 0;
print "StartTime:";
print scalar localtime(time);
open my $INFILE, '<', $infilename;
seek $INFILE, $readoffset, 0;
open my $OUTFILE, '>>', $outfilename;

if ($artheader ne 'NOHDR'){
    $artheader =~ tr/'^'/' '/;
    print $OUTFILE "$header\n";
    $outreccnt++;
}

READLOOP: while (<$INFILE>){
    $inreccnt++;
    if ($inreccnt > $readreccnt){
        last READLOOP;
    }
    s/^HHH\.S.*//s;
    s/^EEE\.S.*//s;
    s/^0000\S{4}\s{2}//;
    print $OUTFILE $_;
    $outreccnt++;
}

close $INFILE;
close $OUTFILE;

print ",EndTime:";
print scalar localtime(time);
print ",\n";
print "InFileName:";
print $infilename;
print ",ReadOffset:";
print $readoffset;
print ",ReadRecordCnt:";
print $readreccnt;
print ",OutFileName:";
print $outfilename;
print ",OutRecordCnt:";
print $outreccnt;
print ",\n";
print "HeaderLen:";
print (length $artheader);
print ",HeaderData:";
print $header;
print ",\n";
[download]

earlier i had use autodie but then took it out. I am new to PERL, is there a case where a PERL script can just quit and not throw any. Should i use "use autodie"?

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