On Wed, Aug 15, 2018 at 10:43:25AM -0600, David Ahern wrote: > On 8/15/18 10:39 AM, Phil Sutter wrote: > > On Wed, Aug 15, 2018 at 10:24:31AM -0600, David Ahern wrote: > >> On 8/15/18 10:21 AM, Phil Sutter wrote: > >>> Add an additional prerequisite to check_enable_color() to make sure > >>> stdout actually points to an open TTY device. Otherwise calls like > >>> > >>> | ip -color a s >/tmp/foo > >>> > >>> will print color escape sequences into that file. Allow to override this > >>> check by specifying '-color' flag more than once. > >>> > >>> Signed-off-by: Phil Sutter <p...@nwl.cc> > >>> --- > >>> Changes since v1: > >>> - Allow to override isatty() check by specifying '-color' flag more than > >>> once. > >> > >> That adds overhead to my workflow where I almost always have to pipe the > >> output of ip to a pager. > > > > alias ip='ip -color -color' > > no. Don't impact existing users.
That's a possible fix for *your* workflow. If applied to the shell handling that workflow, it won't impact existing users. > > Another alternative may be to introduce -autocolor flag. Establishing > > the same syntax as used by 'ls' is not as trivial due to the simple > > commandline parsing used in 'ip'. > > I disagree with ignoring or overriding an argument a user passes in. You > are guessing what is the correct output and you are guessing wrong. > There is nothing wrong with piping output to a file and the viewing that > file through 'less -R'. > > If a user does not want the color codes in the file, then that user can > drop the -color arg. iproute2 commands should not be guessing. OK, I got it. Should I respin the fixes or will you apply the series partially? Thanks, Phil