shell-scripting-templates/utilities/csv.bash

_makeCSV_() {
    # Creates a new CSV file if one does not already exist
    # Takes passed arguments and writes them as a header line to the CSV
    # Usage '_makeCSV_ column1 column2 column3'

    # Set the location and name of the CSV File
    if [ -z "${csvLocation}" ]; then
        csvLocation="${HOME}/Desktop"
    fi
    if [ -z "${csvName}" ]; then
        csvName="$(LC_ALL=C date +%Y-%m-%d)-${FUNCNAME[1]}.csv"
    fi
    csvFile="${csvLocation}/${csvName}"

    # Overwrite existing file? If not overwritten, new content is added
    # to the bottom of the existing file
    if [ -f "${csvFile}" ]; then
        if _seekConfirmation_ "${csvFile} already exists. Overwrite?"; then
            rm "${csvFile}"
        fi
    fi
    _writeCSV_ "$@"
}

_writeCSV_() {
    # Takes passed arguments and writes them as a comma separated line
    # Usage '_writeCSV_ column1 column2 column3'

    local csvInput=("$@")
    saveIFS=$IFS
    IFS=','
    echo "${csvInput[*]}" >>"${csvFile}"
    IFS=${saveIFS}
}