Looks like we need pretty printing by default in terminal and parsable printing by default in non-terminal with -p to force pretty printing. When defaulting to pretty printing in terminal, we may need to ignore some flags only meant for parsable output. Also, a flag to force parsable printing in terminal would be useful too.
On Thu, Jun 19, 2014 at 8:03 AM, Glynn Clements <[email protected]> wrote: > > Huidae Cho wrote: > > > IMO, if we replace g.list with g.mlist, it would be better to remove the > -p > > flag and switch between the pretty output and machine-friendly output > based > > on isatty(STDOUT_FILENO). In most cases, if the user types a command from > > the terminal without redirecting, they want to *see* output, not *parse* > > it. This way, the new g.list (current g.mlist) will be backward > compatible > > *unless* any scripts depend on saved output of the old g.list. Also, we > can > > save additional typing. > > > > But I'm not sure if it's a good idea to print two different outputs based > > on isatty. > > I don't think that isatty() should be the sole determining factor. I'd > rather see it used to select a default format but to allow the choice > to be overridden. > > E.g. you might want the "pretty" format to still be used if the output > is piped through more, less, pr, etc, but piping will result in stdout > being a pipe rather than a tty. > > -- > Glynn Clements <[email protected]> >
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