Posted - Mon, Jan 20, 2020 11:13 AM. mapfile -t myarr < filename.csv myarr=("${myarr[@]#*,}") bash, Moving my comment, based on this source, to just show a particular column on multiple-spaces based table: awk -F ' +' '{print $2}' mytxt.txt # Or In this quick tip, you'll learn to split a string into an array in Bash script. /** * Convert a comma separated file into an associated array. Create indexed arrays on the fly 2) Set up options: parse numbers, transpose your data, or output an object instead of an array. Simply (re)define the IFS variable to the delimiter character and assign the values to a new variable using the array=($ ) syntax. This is the bash split string example using tr (translate) command: 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. Filed Under: Scripts Online tool to convert your CSV or TSV formatted data to JSON. 1) Copy/paste or upload your Excel data (CSV or TSV) to convert it to JSON. Convert String to an Array using shell scripting in JSON file. I want all the IP address strings to be converted into an array. How to convert file of strings separated by a new line to array. You can also simply read the entire line into the array, then strip the first field. There are two primary ways that I typically read files into bash arrays: Method 1: A while loop. Now the myarray contains 3 elements so bash split string into array was successful # /tmp/ My array: string1 string2 string3 Number of elements in the array: 3 . * The first row should contain the array keys. 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: Ask Question Asked 1 year, ... How do I achieve this with just bash or shell execution? Method 3: Bash split string into array using delimiter. Execute the script. Associative arrays can be created in the same way: the only thing we need to change is the option used: instead of lowercase -a we must use the -A option of the declare command: $ declare -A my_array This, as already said, it's the only way to create associative arrays in bash. Note: The code uses the first row of your CSV data to determine the keys in the associative array. Click here for a thorough lesson about bash and using arrays in bash. 3) Convert and copy/paste back to … Here’s the output of the above script: Ubuntu Linux Mint Debian Arch Fedora Method 2: Split string using tr command in Bash. If you’ve got a string of items in bash which are delimited by a common character (comma, space, tab, etc) you can split that into an array quite easily. The Solcast API delivers forecast results in CSV format along with others (JSON/XML), but I wanted to load the data into a bash array and convert it to my localized time by parsing out the ending times (period_end) and taking on of the radiation values (GHI).. There are numerous libraries and code … My typical pattern is: This article has been viewed 873 times. If you want to convert comma separated values into an associated array, then use the following code. ... create array $(