http://qs321.pair.com?node_id=1023397


in reply to how to in-place update a dataset?

Use the -i option for command line perl, e.g,

perl -pi -e 'chomp; ($_ = "\t$_\t") =~ s/\t(?=\t)/\tMissing/g;' \ -e 's/\A\t//; s/\t\Z/\n/;' RawFile

Replies are listed 'Best First'.
Re^2: how to in-place update a dataset?
by littlewenwen (Novice) on Mar 14, 2013 at 14:24 UTC
    Wow! There is so much information in all of your replies that I may need some time to digest. Thank you all very much for great help.