ajson:tldr:cd1cd

ajson: Read JSON from a file and execute a specified JSONPath expression.

ajson

$ ajson '${$--json[?(@-path)]}' ${filename-json}

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The command you provided appears to be using the ajson tool with a specific expression and a filename as arguments. Let's break it down:

ajson: This is the name of the tool or command being used. It is not a standard command and is likely a custom or specific tool.
'${$--json[?(@-path)]}': This is an expression or query that will be passed to the ajson tool. However, without knowing the specific syntax or purpose of the tool, it is difficult to provide a precise explanation of this expression. The syntax seems to be using JSONPath, which is a query language for JSON data. The expression may be trying to select specific data elements that have a non-empty path property, but it's uncertain without additional context.
${filename-json}: This is a placeholder indicating that the value of the filename-json variable should be provided as an argument to the command. It implies that the command operates on a JSON file specified by the value of the filename-json variable.

Overall, it seems that the command is likely using the ajson tool to process a JSON file and extract specific data based on the provided expression. However, understanding the exact functionality and intended use of the command requires more specific knowledge about the ajson tool.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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