[GRASS-dev] g.mlist list multiple types from all mapsets

[Huidae Cho]

Hmm... one flag -s (switch default) should be enough, I think.


On Thu, Jun 19, 2014 at 1:38 PM, Huidae Cho <grass4u at gmail.com> wrote:

> 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 <glynn at gclements.plus.com>
> 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 <glynn at gclements.plus.com>
>>
>
>
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