can be this: 
#!/usr/bin/perl

while(<./*.txt>){
print "working on $_\n";
open (FH, "+<$_") or die "can't update $file: $!";
$l=$_ while <FH>;
truncate FH, tell(FH) - 1 if $l =~ /^$/;
}

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In reply to Re: truncate only a last blank line by smokemachine
in thread truncate only a last blank line by hj4jc

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