No need for recursion. Just change the anonymous sub as follows (untested):
my $fh_iterator = sub
{
my $fh = shift;
my $line = $fh->getline();
$line .= $fh->getline() while $line =~ m{\\$};
return $line;
}
Update: Here is a tested script which eliminates the Use of uninitialized value warning reported in the post below:
use strict;
use warnings;
use IO::File;
my $filename = shift @ARGV;
my $fh = IO::File->new($filename, 'r');
sub fh_iterator
{
my $fh = shift;
my $line = $fh->getline();
if (defined $line)
{
$line .= $fh->getline() while $line =~ m{\\$};
}
return $line;
}
while (my $line = fh_iterator($fh))
{
print $line;
}
Output:
16:29 >perl 738_SoPW.pl test.file
foo \
bar \
baz
single line
16:29 >
Hope that helps,
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