Various changes feed parameters for Apache CouchDB

chnagesrevtree.sh

#!/bin/bash

http -q delete $DB/db
http -q put $DB/db

http post $DB/db/_bulk_docs new_edits:='false' docs:='[{"_id":"d1", "_revisions":{"start":2, "ids":["x", "z"]}, "data":1}, {"_id":"d1", "data":2, "_revisions":{"start":2, "ids":["y", "z"]}}, {"_id":"d1", "data":3, "_deleted":true, "_revisions":{"start":2, "ids":["w", "z"]}}]'
http -q put $DB/db/d1/att2y'?rev=2-y' data=2y
http -q put $DB/db/d1/att2x'?rev=2-x' data=2x

echo "Without a filter with atts"
http -b get $DB/db/_changes'?style=all_docs&include_docs=true&attachments=true'

echo "Without a filter with atts encoding info"
http -b get $DB/db/_changes'?style=all_docs&include_docs=true&attachments=true&att_encoding_info=true'

echo "Without a filter with atts encoding info conflicts=true"
http -b get $DB/db/_changes'?style=all_docs&include_docs=true&attachments=true&att_encoding_info=true&conflicts=true'

echo "With a selector data=2"
http -b post $DB/db/_changes'?style=all_docs&include_docs=true&filter=_selector&att_encoding_info=true' selector:='{"data": 2}'

echo "With a selector data=2 conflicts=true"
http -b post $DB/db/_changes'?style=all_docs&include_docs=true&filter=_selector&att_encoding_info=true&conflicts=true' selector:='{"data": 2}'

echo "With JS filter data=2"
http -q put $DB/db/_design/f filters:='{"f1": "function(doc, req) {return (doc.data == 1)}", "f2": "function(doc, req) { return (doc.data == 2)}"}'
http -b get $DB/db/_changes'?style=all_docs&include_docs=true&filter=f/f2&att_encoding_info=true'

echo "With JS filter data=2 conflicts=true"
http -q put $DB/db/_design/f filters:='{"f1": "function(doc, req) {return (doc.data == 1)}", "f2": "function(doc, req) { return (doc.data == 2)}"}'
http -b get $DB/db/_changes'?style=all_docs&include_docs=true&filter=f/f2&att_encoding_info=true&conflicts=true'