symbolic link gnu utils to system command for convenience. for example /usr/local/bin/ggrep symlink to /usr/local/bin/grep

ln-gnu-utils.sh

#!/usr/bin/env bash

if ! command -v "gls" &> /dev/null; then  
    echo "GNU coreutils not installed!";
    exit 1;
fi

if [ "$EUID" -ne 0 ];then
      echo "Please run as root"
        exit
fi

FILE_PATH=$(which gls)
DIR=$(dirname ${FILE_PATH})
FILES=$(ls ${DIR}/g*)

for i in ${FILES};do
    D=$(dirname ${i});
    F=$(basename ${i} | cut -c 2-);

    if [ "${F}" == "vim" ];then
        continue;
    fi
    
    ln -sf ${i} ${D}/${F};
done