An Open Pipe Kit compliant command for working with CSV. Right now you can push data into a CSV.
$ # Get something to pull data from.
$ git clone https://github.com/openpipekit/rpi-cpu-temperature.git
$ ./rpi-cpu-temperature/install
$
$ # Get the CSV command to push data into a CSV file.
$ git clone https://github.com/openpipekit/csv.git
$ ./csv/install
$
$ # Collect some data.
$ ./rpi-cpu-temperature/pull | ./csv push --file data.csv
$ ./rpi-cpu-temperature/pull | ./csv push --file data.csv
$ ./rpi-cpu-temperature/pull | ./csv push --file data.csv
$
$ # Check out the data.
$ cat data.csv
raspberry-pi-cpu-temperature
89
90
89