Shulou(Shulou.com)06/01 Report--

Mongo shell startup configuration file .mongorc.js (IV)

The ~ / .mongorc.js file is described as follows:

# mongorc.js

=

My mongorc.js file.

Provide:

-``pretty () `is queried by default using the pretty () help method

-`help method ugly () `

-prompt displays information related to the server type

# # Pretty

Mongo shell has a helper function called `pretty () `to beautify the result set. Using this mongorc.js file, the pretty behavior is enabled by default.

> db.marioGames.find ()

{

"_ id": ObjectId ("507333d49c25fa3b6e62174d")

"name": "Super Mario Bros"

"super": true

Release: ISODate ("1985-09-13T07:00:00Z")

}

{

"_ id": ObjectId ("5073347b9c25fa3b6e62174e")

"name": "Super Mario Bros 2"

"super": true

Release: ISODate ("1988-10-09T07:00:00Z")

}

{

"_ id": ObjectId ("5073348f9c25fa3b6e62174f")

"name": "Super Mario Bros 3"

"super": true

Release: ISODate ("1990-02-09T08:00:00Z")

}

# # Ugly

Now that we get the result set of pretty by default, we occasionally need the previous behavior (printing the document to a single line).

By using the `helper () `ugly method. Methods:

> db.marioGames ({super: true}) .ugly ()

{"_ id": ObjectId ("507333d49c25fa3b6e62174d"), "name": "Super Mario Bros", "super": true, "release": ISODate ("1985-09-13T07:00:00Z")}

{"_ id": ObjectId ("5073347b9c25fa3b6e62174e"), "name": "Super Mario Bros 2", "super": true, "release": ISODate ("1988-10-09T07:00:00Z")}

{"_ id": ObjectId ("5073348f9c25fa3b6e62174f"), "name": "Super Mario Bros 3", "super": true, "release": ISODate ("1990-02-09T08:00:00Z")}

# # Prompt

The default prompt now displays information about the server side of the connection.

# replSet

`

ReplSetName:ServerState | database >

`

# mongos

`

Mongos | host:port | database >

`

# mongod

`

Mongod | host:port | database >

`

# # Installation

Git clone git@github.com:aheckmann/mongorc.js.git

Cd mongorc.js

Make install

It copies the .mongorc.js file to your HOME path home directory.

If another .mongorc.js file already exists, it will be renamed .mongorc.js.old

# # Uninstall

Cd mongorc.js

Make uninstall

If ~ / .mongorc.js.old exists, it will be renamed to ~ / .mongorc.js

# # Licence

MIT

The contents of ~ / .mongorc.js file are as follows:

; (function () {/ * Make all queries pretty print by default. * / DBQuery.prototype._prettyShell = true/** * Allow opting into the default ugly print mode. * / DBQuery.prototype.ugly = function () {this._prettyShell = false; return this} / * * Override the default prompt to display info related * totype of server we connected to. * * @ return {String} * / prompt = function () {var res = rs.status (); if (! res | | res.errmsg) {/ / not in a replica set var status = db.serverStatus (); return status.process + "|" + status.host + "|" + db + ">";} return replsetPrompt () } / * * Creates a prompt string for replSets * * @ return {String} * / function replsetPrompt () {var status; var admin = db.getSiblingDB ("admin"); var info = admin.runCommand ({replSetGetStatus: 1, forShell: 1}); if (info.ok) {var state = ""; / / do we need this? Info.members.some (function (member) {if (member.self) {state = member.stateStr; return true;}}); status = info.set + ":" + (state | | info.myState);} else if (info.info & & info.info.length

"}) ()

See: https://github.com/aheckmann/mongorc.js

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