auto compile for c programs in directory

#!/bin/bash

black='\E[30m'
red='\E[31m'
green='\E[32m'
yellow='\E[33m'
blue='\E[34m'
magenta='\E[35m'
cyan='\E[36m'
white='\E[37m'

bold='\033[1m'
normal='\033[2m'

#set defaults
COMPILER='gcc'
SUBDIR='progs'

while [ ! -z ${1} ]; do

    #compiler selection
    if [ "${1}" == "-cc" ]; then
        COMPILER='cc'
        shift
    fi

    #subdirectory selection
    if [ "${1}" == "-d" ]; then
        shift
        SUBDIR=${1}
        shift
    fi

    if [ "${1}" == "-p" ]; then
        shift
        BASENAME=${1}
        shift
    fi

done

#if directory doesn't exist
if [ ! -d "${SUBDIR}" ]; then
    mkdir ${SUBDIR}
fi

echo -e "\n${yellow}Using ${bold}${COMPILER}${normal} to compile.\n"
echo -e "${yellow}Compiling into ${bold}${SUBDIR}${normal} directory.\n"

if [ -z ${BASENAME} ]; then
    for BASENAME in `ls *.c -1`
    do
        echo -e "${bold}${white}Compiling: ${bold}${green}${BASENAME}"
        ${COMPILER} ${BASENAME} -o ${SUBDIR}/${BASENAME%%.c}
    done
else
    echo -e "${bold}${white}Compiling: ${bold}${green}${BASENAME}"
    ${COMPILER} ${BASENAME}.c -o ${SUBDIR}/${BASENAME}
fi

tput sgr0