[sr-dev] another syntax error

[Juha Heinanen]

Andrei Pelinescu-Onciul writes:

 > No, there are very minor differences:
 > 
 > !defined $fU  fastest

ok, please change the syntax.

 > $fU == "" - extra string conversion

this i don't understand.  if i assign $something = "", then $something
is defined and test defined $something should return true.

 > $fU == $null slowest (has to go through a pv call and string or integer
 >                       conversion)

-- juha