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[ARTICLE · art-9798] src=gist.github.com ↗ pub= topic=developer-tools verified=true sentiment=· neutral

JQ to filter JSON by value

The article explains how to use the `jq` command-line tool to filter JSON data by a specific value. It provides the syntax `cat <filename> | jq -c '.[] | select( .<key> | contains("<value>"))'` and notes that numeric values should not be enclosed in quotes within the `contains()` function. An example filters for records where the `_id` key equals the numeric value 611.

read1 min views19 publishedOct 24, 2016

Syntax: cat <filename> | jq -c '.[] | select( .<key> | contains("<value>"))' Example: To get json record having _id equal 611 cat my.json | jq -c '.[] | select( ._id | contains(611))' Remember: if JSON value has no double quotes (eg. for numeric) to do not supply in filter i.e. in contains(611)

source & further reading
gist.github.com — original article Run Claude's most powerful model at half the price, Anthropic's two official patterns + the exact setup Codex System Prompt AI usage audit + meta-review prompt
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