On Mon, Nov 21, 2011 at 10:55 AM, Eric Haszlakiewicz <e...@nimenees.com> wrote: > On Mon, Nov 21, 2011 at 04:51:51PM +0100, Manuel Bouyer wrote: >> On Mon, Nov 21, 2011 at 09:47:43AM -0600, Eric Haszlakiewicz wrote: >> > On Fri, Nov 18, 2011 at 01:15:47PM +0100, Manuel Bouyer wrote: >> > > On Fri, Nov 18, 2011 at 07:46:21AM +0200, Alan Barrett wrote: >> > > > Assuming that there's no need to handle fields with embedded spaces, >> > > > perl's split() function will DTRT. >> > > >> > > No, it does not because there are fields that can be empty. >> > >> > This seems to work fine for me: >> > >> > $ perl -e 'my @x = split(/,/, "a,b,,c"); print "1:$x[0] 2:$x[1] 3:$x[2] >> > 4:$x[3]\n";' >> > 1:a 2:b 3: 4:c >> >> Doesn't work for something like: >> 176 -- 432456 500000 500000 3400 25000 25000 >> 177 ++ 105464 1 1 none 2173 1 1 none > > I could have sworn we were talking about delimited fields, not fixed width > fields, but now I can't find where that was mentioned. I guess I must have > been imagining things. :) > Obviously, for fixed width fields using split() isn't appropriate. > > eric >
You should probably use substr() for fixed-length stuff in perl. It's very fast.
