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BTW, AFAICT, split /\t/ on two consecutive tabs wouldn't return undef, but rather '' (the empty string):

$ perl -MData::Dumper -e'@a = split /\t/, "foo\t\tbar"; print Dumper \ +@a' $VAR1 = [ 'foo', '', 'bar' ];

So the whole "//" thing is moot anyway.  It wouldn't even work:

$ perl -MData::Dumper -e'@a = map $_//"NA", split /\t/, "foo\t\tbar"; +print Dumper \@a' $VAR1 = [ 'foo', '', 'bar' ];

In other words, you probably want:

$ perl -MData::Dumper -e'@a = map $_ ne "" ? $_ : "NA", split /\t/, "f +oo\t\tbar"; print Dumper \@a' $VAR1 = [ 'foo', 'NA', 'bar' ];

In reply to Re^3: Short version of database push for multiple variables by Eliya
in thread Short version of database push for multiple variables by Anonymous Monk

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