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< title > Delete - Yq< / title >
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Yq
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Delete
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
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mikefarah/yq
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Read
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Write/Update
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< label class = "md-nav__link md-nav__link--active" for = "__toc" >
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Delete
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< a href = "./" title = "Delete" class = "md-nav__link md-nav__link--active" >
Delete
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To Stdout
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From STDIN
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< a href = "#deleting-array-elements" title = "Deleting array elements" class = "md-nav__link" >
Deleting array elements
< / a >
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< li class = "md-nav__item" >
< a href = "#deleting-nodes-in-place" title = "Deleting nodes in-place" class = "md-nav__link" >
Deleting nodes in-place
< / a >
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< a href = "#multiple-documents-delete-from-single-document" title = "Multiple Documents - delete from single document" class = "md-nav__link" >
Multiple Documents - delete from single document
< / a >
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< li class = "md-nav__item" >
< a href = "#multiple-documents-delete-from-all-documents" title = "Multiple Documents - delete from all documents" class = "md-nav__link" >
Multiple Documents - delete from all documents
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< li class = "md-nav__item" >
< a href = "#keys-with-dots" title = "Keys with dots" class = "md-nav__link" >
Keys with dots
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< a href = "../create/" title = "Create" class = "md-nav__link" >
Create
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< a href = "../convert/" title = "Convert" class = "md-nav__link" >
Convert
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Merge
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To Stdout
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From STDIN
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< a href = "#deleting-array-elements" title = "Deleting array elements" class = "md-nav__link" >
Deleting array elements
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< li class = "md-nav__item" >
< a href = "#deleting-nodes-in-place" title = "Deleting nodes in-place" class = "md-nav__link" >
Deleting nodes in-place
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< li class = "md-nav__item" >
< a href = "#multiple-documents-delete-from-single-document" title = "Multiple Documents - delete from single document" class = "md-nav__link" >
Multiple Documents - delete from single document
< / a >
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< li class = "md-nav__item" >
< a href = "#multiple-documents-delete-from-all-documents" title = "Multiple Documents - delete from all documents" class = "md-nav__link" >
Multiple Documents - delete from all documents
< / a >
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< / li >
< li class = "md-nav__item" >
< a href = "#keys-with-dots" title = "Keys with dots" class = "md-nav__link" >
Keys with dots
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< div class = "md-content" >
< article class = "md-content__inner md-typeset" >
< a href = "https://github.com/mikefarah/yq/edit/master/docs/delete.md" title = "Edit this page" class = "md-icon md-content__icon" >  < / a >
< h1 > Delete< / h1 >
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< pre > < code > yq d < yaml_file> < path_to_delete>
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< / code > < / pre >
< h3 id = "to-stdout" > To Stdout< a class = "headerlink" href = "#to-stdout" title = "Permanent link" > ¶ < / a > < / h3 >
< p > Given a sample.yaml file of:< / p >
< pre > < code class = "yaml" > b:
c: 2
apples: green
< / code > < / pre >
< p > then< / p >
< pre > < code class = "bash" > yq d sample.yaml b.c
< / code > < / pre >
< p > will output:< / p >
< pre > < code class = "yaml" > b:
apples: green
< / code > < / pre >
< h3 id = "from-stdin" > From STDIN< a class = "headerlink" href = "#from-stdin" title = "Permanent link" > ¶ < / a > < / h3 >
< pre > < code class = "bash" > cat sample.yaml | yq d - b.c
< / code > < / pre >
< h3 id = "deleting-array-elements" > Deleting array elements< a class = "headerlink" href = "#deleting-array-elements" title = "Permanent link" > ¶ < / a > < / h3 >
< p > Given a sample.yaml file of:< / p >
< pre > < code class = "yaml" > b:
c:
- 1
- 2
- 3
< / code > < / pre >
< p > then< / p >
< pre > < code class = "bash" > yq d sample.yaml 'b.c[1]'
< / code > < / pre >
< p > will output:< / p >
< pre > < code class = "yaml" > b:
c:
- 1
- 3
< / code > < / pre >
< h3 id = "deleting-nodes-in-place" > Deleting nodes in-place< a class = "headerlink" href = "#deleting-nodes-in-place" title = "Permanent link" > ¶ < / a > < / h3 >
< p > Given a sample.yaml file of:< / p >
< pre > < code class = "yaml" > b:
c: 2
apples: green
< / code > < / pre >
< p > then< / p >
< pre > < code class = "bash" > yq d -i sample.yaml b.c
< / code > < / pre >
< p > will update the sample.yaml file so that the 'c' node is deleted< / p >
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< h3 id = "multiple-documents-delete-from-single-document" > Multiple Documents - delete from single document< a class = "headerlink" href = "#multiple-documents-delete-from-single-document" title = "Permanent link" > ¶ < / a > < / h3 >
< p > Given a sample.yaml file of:< / p >
< pre > < code class = "yaml" > something: else
field: leaveMe
---
b:
c: 2
field: deleteMe
< / code > < / pre >
< p > then< / p >
< pre > < code class = "bash" > yq w -d1 sample.yaml field
< / code > < / pre >
< p > will output:< / p >
< pre > < code class = "yaml" > something: else
field: leaveMe
---
b:
c: 2
< / code > < / pre >
< h3 id = "multiple-documents-delete-from-all-documents" > Multiple Documents - delete from all documents< a class = "headerlink" href = "#multiple-documents-delete-from-all-documents" title = "Permanent link" > ¶ < / a > < / h3 >
< p > Given a sample.yaml file of:< / p >
< pre > < code class = "yaml" > something: else
field: deleteMe
---
b:
c: 2
field: deleteMeToo
< / code > < / pre >
< p > then< / p >
< pre > < code class = "bash" > yq w -d'*' sample.yaml field
< / code > < / pre >
< p > will output:< / p >
< pre > < code class = "yaml" > something: else
---
b:
c: 2
< / code > < / pre >
< p > Note that '*' is in quotes to avoid being interpreted by your shell.< / p >
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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 >
< pre > < code class = "bash" > yaml r sample.yaml 'b[foo.bar]'
< / code > < / pre >
< pre > < code class = "bash" > yaml w sample.yaml 'b[foo.bar]' 9
< / code > < / pre >
< p > Any valid yaml key can be specified as part of a key lookup.< / p >
< p > Note that the path is in quotes to avoid the square brackets being interpreted by your shell.< / p >
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