On Tue, Sep 6, 2016 at 11:44 PM, Craig Ringer <craig.rin...@2ndquadrant.com> wrote:
> On 7 September 2016 at 11:37, Corey Huinker <corey.huin...@gmail.com> > wrote: > > On Tue, Sep 6, 2016 at 11:24 PM, Craig Ringer < > craig.rin...@2ndquadrant.com> > > wrote: > >> > >> On 7 September 2016 at 11:21, Corey Huinker <corey.huin...@gmail.com> > >> wrote: > >> > On Tue, Sep 6, 2016 at 6:53 PM, Craig Ringer > >> > <craig.rin...@2ndquadrant.com> > >> > >> > And the TAP test would detect the operating system and know to create > an > >> > FDW > >> > that has the PROGRAM value 'cat test_data.csv' on Unix, 'type > >> > test_data.csv' > >> > on windows, and 'type test_data.csv;1' on VMS? > >> > >> Right. Or just "perl emit_test_data.pl" that works for all of them, > >> since TAP is perl so you can safely assume you have Perl. > > > > > > Thanks. I was mentally locked in more basic OS commands. Am I right in > > thinking perl is about the *only* OS command you can be sure is on every > > architecture? > > Probably, there's a lot of crazy out there. > > TAP tests can be conditionally run based on architecture, but > something like this is probably worth testing as widely as possible. > > -- > Craig Ringer http://www.2ndQuadrant.com/ > PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services > Stylistically, would a separate .pl file for the emitter be preferable to something inline like perl -e 'print "a\tb\tcc\t4\n"; print "b\tc\tdd\t5\n"' ? I'm inclined to go inline to cut down on the number of moving parts, but I can see where perl's readability is a barrier to some, and either way I want to follow established patterns. [*] For those who don't perl, the command prints: a b cc 4 b c dd 5