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How to read a comma separated CVS file in Bash?
You can use while shell loop to read comma-separated cvs file. IFS variable will set cvs separated to, (comma). The read command will read each line and store data into each field. Let us see how to parse a CSV file in Bash running under Linux, macOS, *BSD or Unix-like operating systems.
How to read and split a separated file in Bash?
Reads a single line from the standard input, or from file descriptor FD if the -u option is supplied. The line is split into fields as with word splitting, and the first word is assigned to the first NAME, the second word to the second NAME, and so on, with any leftover words assigned to the last NAME.
What happens when you read the last line in Bash?
Your last “line” contains no terminator, so read returns false on EOF and the loop exits (even though the final value was read). Bash Pitfalls #47 IFS=, read […]
Is there way of reading the last element of an array with Bash?
I would like to know how to do this in bash. As of bash 4.2, you can just use a negative index $ {myarray [-1]} to get the last element. You can do the same thing for the second-last, and so on; in Bash:
Can you extract comma separated values from a variable?
The script should allow extracting arbitrary number of comma-separated values from $variable. You can use the following script to dynamically traverse through your variable, no matter how many fields it has as long as it is only comma separated.
What can I do with a comma separated CSV file?
Many Linux and Unix command line utility programs such as cut, paste, join, sort, uniq, awk, sed can split files on a comma delimiter, and can therefore process simple CSV files. For example: You learned how to read and parse comma-separated (CSV) file under a Linux or Unix-like system using bash while loop and read command.
How to iterate through a comma separated list?
You can find a broader approach in this solution to How to iterate through a comma-separated list and execute a command for each entry. I prefer to use tr instead of sed, becouse sed have problems with special chars like in some cases.