grepcomments


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#this is a file with comments#another line# how do I grep for uncoimmented lines?try grep -v '^#' <file># that worksbut grep -nv '^#' <file> is even better# another comment#preceeding line was whitespacebut this is real.And now we can exclude whitespace or empty lines:grep -nvE '^#|^ |^$' grepcomments#rox