Print a date string (rather path segment) with the last mtime of an input path

format_mtime.sh

#!/bin/bash

# Print a date string (rather path segment) with the last mtime of an input path

function format_mtime() {
    p = $1
    _mtime=$(stat --format="%y" $p)
    result=$(date -d "$_mtime" "+%Y/%Y-%m/%Y-%m-%d/%Y-%m-%d_%Hh")
    return result
}