GOML - A CRUD tool for YAML files

With goml you can:

C reate YAML properties (option set)
R etrieve YAML properties (option get)
U pdate YAML properties (option set)
D elete YAML properties (option delete)

Additionally, you can transfer properties from one YAML to another YAML

Installation

OS X

$ wget -O /usr/local/bin/goml https://github.com/JulzDiverse/goml/releases/download/v0.9.0/goml-darwin-amd64 && chmod +x /usr/local/bin/goml

Using Homebrew:

$ brew tap julzdiverse/tools  
$ brew install goml

Linux

$ wget -O /usr/bin/goml https://github.com/JulzDiverse/goml/releases/download/v0.9.0/goml-linux-amd64 && chmod +x /usr/bin/goml

Usage

All examples are based on the following yaml:

map:
  foo:
    bar: value

array:
- one
- two
- three

mapArray:
- id: one
  name: foo
- id: two
  name: bar

Retrieve Properties with `get`

$ goml get --file <yaml-file> --prop <path.to.property>

Examples:

Maps

Get value from map:

$ goml get -f sample.yml -p map.foo.bar
# returns value

Arrays

Get value from array:

$ goml get -f sample.yml -p array.1
# returns two

Map Arrays

Get value from array which contains maps:

$ goml get -f sample.yml -p mapArray.0.name
# returns foo

Get value from array which contains maps by an identifier:

$ goml get -f sample.yml -p mapArray.id:two.name
# returns bar

Create/Update Properties with `set`

You can use the set option to either set or update properties. If an property for a valid path does not exist, goml will create it for you. If an property exists the set option will upate this property with the provided value.

Another useful thing you can do with set is to set/update a key (eg. ssh private key) from a file.

Basic Syntax:

$ goml set --file <yaml-file> --prop <path.to.property> --value <new-value>
$ goml set --file <yaml-file> --prop <path.to.property> --key <key-file>

Alternatively, you can provide the value directly with the property string using =, like this:

$ goml set --file <yaml-file> --prop <path.to.property=value>

Note: The --value|-v option has precedence

The dry-run option

By default set updates a yaml file in place. With the dry-run option you can print the result to stdout. To do so provide the --dry-run option on a goml set call:

$ goml set --file <yaml-file> --prop <path.to.property> --value <new-value> --dry-run

This can be useful to experiment with goml or to pipe the results into a new file or other yaml tools.

Examples:

Maps

Update value to a map:

$ goml set -f sample.yml -p map.foo.bar -v newValue
# or
$ goml set -f sample.yml -p map.foo.bar=newValue
# will update the value 'value' of 'bar' to 'newValue'

Add value to a map:

$ goml set -f sample.yml -p map.foo.newProp -v value
# or
$ goml set -f sample.yml -p map.foo.newPropv=value
# will add a property 'newProp' with value 'newValue'

Arrays

Update value to an array by index:

$ goml set -f sample.yml -p array.0 -v newValue
# or
$ goml set -f sample.yml -p array.0=newValue
# this will update the array value 'one' with 'newValue'

Update value to an array by identifier:

$ goml set -f sample.yml -p array.:three -v newValue
# or
$ goml set -f sample.yml -p array.:three=newValue
# this will update the array value 'three' with 'newValue'

Add value to array

$ goml set -f sample.yml -p array.+ -v newValue
# or
$ goml set -f sample.yml -p array.+=newValue
# this will add the value 'newValue' to the array

Map Arrays

Update a property by index:

$ goml set -f sample.yml -p mapArray.0.name -v julz
# or
$ goml set -f sample.yml -p mapArray.0.name=julz
# this will update the property 'name' with value 'julz'
# for the first entry in the array

Update a property by identifier:

$ goml set -f sample.yml -p mapArray.id:one.name -v julz
# or
$ goml set -f sample.yml -p mapArray.id:one.name=julz
# this will update the property 'name' with value 'julz'
# for the entry that has id 'one'

Add a map to an array:

# as goml creates every key provided in the property parameter it is as easy as:
$ goml set -f sample.yml -p mapArray.newKey:newValue

Note that no value parameter is required to add a new map entry

Set key from file --key, -k

$ goml set -f sample.yml -p mapArray.id:one.name -k keyfile

Delete Properties with `delete`

$ goml delete --file <yaml-file> --prop <path.to.property>

Examples:

Maps

Delete value from map:

$ goml delete -f sample.yml -p map.foo.bar
# deletes value

Arrays

Delete value from array:

$ goml delete -f sample.yml -p array.1
# deletes two

Delete value from array which contains maps:

$ goml delete -f sample.yml -p array.0.name
# deletes foo

Map Arrays

Delete value from array which contains maps by an identifier:

$ goml delete -f sample.yml -p array.id:two.name
# deletes bar

Transfer Properties with `transfer`

Transfer is the same as set, with the difference that you specify a destination file and property instead of a value:

$ goml transfer --file <yaml-file> --prop <path.to.property> --df <destination-file> --dp <destination-property>

Note:

The syntax for the source property is the same as for set
The syntax for the destination property is the same as for get

herrjulz / goml Goto Github PK

goml's Introduction

GOML - A CRUD tool for YAML files

Installation

OS X

Linux

Usage

Retrieve Properties with get

Examples:

Create/Update Properties with set

Examples:

Delete Properties with delete

Examples:

Transfer Properties with transfer

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Retrieve Properties with `get`

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