pipethrough_run_along checks for errors on $tf

diff --git a/yarrg/Commods.pm b/yarrg/Commods.pm
index 13f581241fa1bd770e166e7e1cf4e581e36c473c..27e06e867e39bf56d5cfd9ed65f49a37b881b726 100644 (file)
--- a/yarrg/Commods.pm
+++ b/yarrg/Commods.pm
@@ -257,6 +257,7 @@ sub pipethrough_prep () {
 
 sub pipethrough_run_along ($$$@) {
     my ($tf, $childprep, $cmd, @a) = @_;
+    $tf->error and die $!;
     $tf->flush or die $!;
     $tf->seek(0,0) or die $!;
     my $fh= new IO::File;