wouldn't try to pattern match the scientific float... you could, but I think it's over-kill.

Do you really have any idea what does  /^(\S+)\s+(\S*)/o do? 

/^(\S+)\s+(\S*)/o and print FH "K: ", $1, "V: ", $2, "\n" while <DATA>
+;

[download]


where <DATA> contains over 22000 lines - less than a second
on my old (less than 1800 Mh cpu) home machine.

In reply to Re^2: how to place rows information into column (2) by sh1tn
in thread how to place rows information into column? by Anonymous Monk

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