yes, thats exactly what I was looking for!!! Thanks! Eric On Mon, Oct 22, 2012 at 4:24 PM, Joseph Sinclair wrote: > I assume what you really want is to ignore all comment lines completely > (not just changes to comment lines). > Diff won't do this directly, but that's what [named] pipes are for :) > > try this: > diff <(grep -v '^//' file1) <(grep -v '^//' file2) > > On 10/22/2012 01:59 PM, Eric Cope wrote: > > Hi all, > > I am trying to diff between two sets of files. I want to ignore comments > > (lines that start with //). > > I've tried > > > > - diff -I "//" file1 file2 > > - diff -I "\/\/" file1 file2 > > - diff -I "//.* file1 file2 > > > > among others. Has anyone successfully used diff and its ignore option? > > > > Thanks, > > Eric > > > > > > > > > > --------------------------------------------------- > > PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us > > To subscribe, unsubscribe, or to change your mail settings: > > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us > To subscribe, unsubscribe, or to change your mail settings: > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss >