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< title > Create - Yq< / title >
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Yq
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Create
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mikefarah/yq
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Install
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Read
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Write/Update
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Create
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Create
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Creating a simple yaml file
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Creating using a create script
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Keys with dots
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Convert
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Merge
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Creating a simple yaml file
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Creating using a create script
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Keys with dots
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< h1 > Create< / h1 >
< p > Yaml files can be created using the 'new' command. This works in the same way as the write command, but you don't pass in an existing Yaml file.< / p >
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< pre > < code > yq n < path> < new value>
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< / code > < / pre >
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< h3 id = "creating-a-simple-yaml-file" > Creating a simple yaml file< a class = "headerlink" href = "#creating-a-simple-yaml-file" title = "Permanent link" > ¶ < / a > < / h3 >
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< pre > < code class = "bash" > yq n b.c cat
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< / code > < / pre >
< p > will output:< / p >
< pre > < code class = "yaml" > b:
c: cat
< / code > < / pre >
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< h3 id = "creating-using-a-create-script" > Creating using a create script< a class = "headerlink" href = "#creating-using-a-create-script" title = "Permanent link" > ¶ < / a > < / h3 >
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< p > Create scripts follow the same format as the update scripts.< / p >
< p > Given a script create_instructions.yaml of:< / p >
< pre > < code class = "yaml" > b.c: 3
b.e[0].name: Howdy Partner
< / code > < / pre >
< p > then< / p >
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< pre > < code class = "bash" > yq n -s create_instructions.yaml
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< / code > < / pre >
< p > will output:< / p >
< pre > < code class = "yaml" > b:
c: 3
e:
- name: Howdy Partner
< / code > < / pre >
< p > You can also pipe the instructions in:< / p >
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< pre > < code class = "bash" > cat create_instructions.yaml | yq n -s -
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< / code > < / pre >
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< h3 id = "keys-with-dots" > Keys with dots< a class = "headerlink" href = "#keys-with-dots" title = "Permanent link" > ¶ < / a > < / h3 >
< p > When specifying a key that has a dot use key lookup indicator.< / p >
< pre > < code class = "yaml" > b:
foo.bar: 7
< / code > < / pre >
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< pre > < code class = "bash" > yaml r sample.yaml 'b[foo.bar]'
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< / code > < / pre >
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< pre > < code class = "bash" > yaml w sample.yaml 'b[foo.bar]' 9
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< / code > < / pre >
< p > Any valid yaml key can be specified as part of a key lookup.< / p >
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< p > Note that the path is in quotes to avoid the square brackets being interpreted by your shell.< / p >
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