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Re: Survey file parsing

by jds17 (Pilgrim)
on Jun 27, 2008 at 17:58 UTC ( #694407=note: print w/ replies, xml ) Need Help??


in reply to Survey file parsing

In case no header line starts with whitespace followed by "<", but the first non-header line does, a simple solution would be as follows. (Maybe I misunderstood your notation, and the lines do not really start that way, but then either the must be identifiable using another regex or you must resort to counting lines.)

my $in_header++; while (<IN>) { if ($in_header && !/^\s+</) { push(@hdr, $_); } else { $in_header = 0; #process non-header lines (if needed) #... } }


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Re^2: Survey file parsing
by YYCseismic (Beadle) on Jun 27, 2008 at 22:02 UTC

    For the SEG-P1 format specification, all non-header lines (read: data lines) start with a space. That zero-offset position is reserved for identifying header lines.

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