On Nov 8, 3:32 pm, [EMAIL PROTECTED] (Demian) wrote:
> Hello,
>
> I ran into a problematic file that combined two numeric columns into
> one:
>
> ATOM    325  CA  GLU B  40     -30.254  72.432-297.620  1.00
> 10.00           C
> ATOM    326  CA  ASP B  41     -28.149  73.031-294.529  1.00
> 10.00           C
> ATOM    327  CA  GLU B  42     -27.716  76.690-295.429  1.00
> 10.00           C
> ATOM    328  CA  LEU B  43     -31.425  77.076-296.027  1.00
> 10.00           C
> ATOM    329  CA  VAL B  44     -32.237  75.542-292.673  1.00
> 10.00           C
> ATOM    330  CA  SER B  45     -29.850  77.900-290.914  1.00
> 10.00           C
> ATOM    331  CA  LEU B  46     -31.335  80.873-292.720  1.00
> 10.00           C
> ATOM    332  CA  GLN B  47     -34.837  79.809-291.801  1.00
> 10.00           C
>
> I came up with a solution, but I'm sure there's an easier way.  Is
> there a more elegant way of doing it?

Split on either whitespace or on a minus sign that is both followed by
and preceded by a digit:

my @fields = split /\s+|(?<=\d)-(?=\d)/, $line;

Paul Lalli


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