On Sun, Apr 13, 2008 at 9:41 AM, Alex Samad <[EMAIL PROTECTED]> wrote: > > Try grep -Ev '^(\W*;|$)' > great that works, (i changed to \s* instead, also tried the [[:space:]] > and it worked) > > I don't understand hwy i need to test for ^$, I had thought that once a > line test positive for ^\s*; it would be excluded ?
Because empty lines do not match the '^\W*;' part (they don't have a ';' in them to match the regular expression) and so grep prints them. The '^$' part matches empty lines and so they are filtered out. --Amos -- SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html
