text_progress_ex

#!/bin/bash
#
# Illustrates text-based progress bar.

readonly DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
. ${DIR}/../gobash


function main() {
        # In this example, we will go over all the files in this
        # directory and collect their sizes. We will output the
        # progress in terms of processed files.

        local num_files=$(find "${DIR}" -maxdepth 1 -name "*_ex" | wc -l)
        local -r bar=$(TextProgress "${num_files}")

        $bar start
        local lst=$(List)
        local f
        for f in $(find "${DIR}" -maxdepth 1 -name "*_ex"); do
                $bar inc
                local nl=$(wc -l "${f}" | cut -f1 -d' ')
                $lst add "${nl}"
        done
        $bar stop

        $lst len
}

main