The issue is not really that the JSON that you show is an array, but that each element of the array (of which you only have one) is a fairly complex structure. You can also simply read the entire line into the array, then strip the first field. * The first row should contain the array keys. ... create array $( ) syntax. Note: The code uses the first row of your CSV data to determine the keys in the associative array. This is the bash split string example using tr (translate) command: Here’s the output of the above script: Ubuntu Linux Mint Debian Arch Fedora Method 2: Split string using tr command in Bash. It is straight forward to extract the relevant data from each array entry into a shorter flat array and convert that into CSV with @csv in jq: This article has been viewed 873 times. My typical pattern is: 2) Set up options: parse numbers, transpose your data, or output an object instead of an array. 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