Add a guide for command line tool hackers

[cmungall]

One feature of obo is the ease of doing quick command line hacks, e.g.

• http://read.biostarhandbook.com/ontology/02-sequence-ontology.html
• https://github.com/cmungall/obo-scripts

While not to be encouraged in production pipelines, these are certainly useful for quick ad-hoc operations.

With obographs being json or yaml, it's much easier to write short robust programs that do the equivalent. Nevertheless sometimes it's handy to do a quick ad-hoc series of pipes on the command line. This ticket is for gather ideas on ways to do this. @kltm @dosumis @mcourtot any ideas? Seth, what is your favorite command line json query tool?

[kltm]

httpie (httpie.org) and jq are lovely:

http --verbose GET :6800/m3BatchPrivileged requests=='[{"entity":"meta","operation":"get"}]'

jq --slurp '.[].dependencies | keys | .[]' ./amigo/package.json ./bbop-core/package.json

and very chainable

[kltm]

A more real example:

http -b GET minerva.berkeleybop.org/m3BatchPrivileged requests=='[{"entity":"meta","operation":"get"}]' | jq ".data.meta"