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Re: build array of geometry data

by BrowserUk (Pope)
on Feb 10, 2003 at 17:17 UTC ( #234174=note: print w/ replies, xml ) Need Help??


in reply to build array of geometry data

If your files get very large, then slurping them into memory to parse can be memory intensive. This solution processes the file line-by-line and uses a running buffer to parse it.

Code

#! perl -slw use strict; my @arrays; my $buf =''; while($buf .= <DATA>) { push(@arrays, [ split(' ',$1) ]) , $buf = $2 while $buf =~ /\[([^]]+)\](.*$)/g; } print do{ local $"=','; "[@$_]" } for @arrays; __DATA__ [1 1 1 1 1 1] [4 4 4 4 4 4] [ 123 123 123 123 123 123 123 123 123 ] "P" [ -1 1 1 1 1 -1 1 1 1 ]

Output

<
c:\test>234118 [1,1,1,1,1,1] [4,4,4,4,4,4] [123,123,123,123,123,123,123,123,123] [-1,1,1,1,1,-1,1,1,1]

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