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1.3 KiB
1.3 KiB
yaml
yaml is portable command line tool written in go
Allows you to read and update yaml files from bash (or whatever). All in a lovely dependency free binary!
or alternatively install using go get:
go get github.com/mikefarah/yaml
Read examples
yaml <yaml file> <path>
Basic
Given a sample.yaml file of:
b:
c: 2
then
yaml sample.yaml b.c
will output the value of '2'.
Reading from STDIN
Given a sample.yaml file of: cat sample.yaml | yaml - b.c
will output the value of '2'.
### Handling '.' in the yaml key
Given a sample.yaml file of:
```yaml
b.x:
c: 2
then
yaml sample.yaml \"b.x\".c
will output the value of '2'.
Arrays
You can give an index to access a specific element: e.g.: given a sample file of
b:
e:
- name: fred
value: 3
- name: sam
value: 4
then
yaml sample.yaml b.e[1].name
will output 'sam'
Array Splat
e.g.: given a sample file of
b:
e:
- name: fred
value: 3
- name: sam
value: 4
then
yaml sample.yaml b.e[*].name
will output:
- fred
- sam
Updating yaml
Given a sample.yaml file of:
b:
c: 2
then
yaml w sample.yaml b.c cat
will output:
b:
c: cat