Oh holy ones ... this knave is trying to use backticks repeatedly with a program that returns a variable number of lines. How can I tell how many lines I got? 
my @lines = `findgsc $ra$sign$dec -rs 6 -p 2 -n 10 `;
if ($#lines >= 3) {
  do stuff;
} else {
  do other stuff
}

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Which seems to work fine, the first time around. What do the Monks think about using $#lines on the next time around? If the program returned 5 lines the first time, and only 2 the next, won't there be lines left over from the first time? How can I tell how many _additional_ lines I got back? Awaiting your wisdom. jdpindynet

In reply to how many lines returned from backticks by jdpindynet

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