#!/bin/bash -e

REALPATH=
REALPATHS=(
    'realpath'
    'grealpath'
    'greadlink -f'
)
for cmd in "${REALPATHS[@]}"; do
if command -v "${cmd%% *}" &>/dev/null; then
    REALPATH="${cmd}"
    break
fi
done

if [ -z "${REALPATH}" ]; then
    local RED=`tput setaf 1`
    echo "${RED}ERROR: Unable to find suitable command for realpath."
    exit 1
fi

realpath() {
  echo $(command ${REALPATH} "$@")
}