Why not just simple arithmetic for this? 

while ( <FH> ) {
  chomp;
  if ( abs( $input - $_ ) <= 0.1 ) {
    print "Value in list\n";
    last;
  }
}

[download]

Update: The original version of the above was overly complicated. I simplified it significantly, though the basic idea is the same.

the lowliest monk

In reply to Re: matching a number by tlm
in thread matching a number by Anonymous Monk

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