create

#!/usr/bin/env bash

EXT="java"
DEFAULT_OUTPUT_DIRECTORY="Submissions"

fFlag=false
wFlag=false
aFlag=false

usage() {
    echo "Usage: $0 [-a <assignment folder> ] [-w week number] [-f <file1 file2 file3>]" 1>&2
    exit 1
}

check_output_file_exists() { #takes filelist as input
    if test -f "$1"; then
        echo "Output File $1 already exists!"
        echo "One of more files will be overwritten."
    fi
}

process_files() {
    files="${1}"
    for f in ${files}; do
        new_files+=("${WEEK_FOLDER_NAME}/${ASSIGNMENT_FOLDER}/${f}.${EXT}")
    done
}

while getopts ":w:a:f:" opt; do
    case ${opt} in
    w) # process Week
        wFlag=true
        week_number=$OPTARG
        WEEK_FOLDER_NAME="Week ${week_number}"
        ;;
    a) # assignment directory
        aFlag=true
        ASSIGNMENT_FOLDER="${OPTARG}"
        ;;
    f) # process files
        fFlag=true
        files=$OPTARG
        new_files=()
        ;;
    *)
        usage
        ;;
    esac
done

if ! $fFlag || ! $wFlag || ! $aFlag; then
    echo "Missing arguments" >&2
    usage
    exit 1
fi

echo "-----Submission input-----"
echo "Week: ${week_number}"
echo "Assignment directory: ${ASSIGNMENT_FOLDER}"
process_files "$files"
echo "Files to process: ${new_files[@]}"

OUTPUT_NAME="${WEEK_FOLDER_NAME}.zip"
check_output_file_exists ${OUTPUT_NAME}

echo "-----Submission output-----"
echo "Output filename: ${OUTPUT_NAME}"
output_path="${DEFAULT_OUTPUT_DIRECTORY}/${OUTPUT_NAME}"
echo "Output path: ${output_path}"

#If you want to store all the files in folder under their name without a directory indication, you can use the -j option.
#source: https://unix.stackexchange.com/questions/245856/zip-a-file-without-including-the-parent-directory
zip -j "${output_path}" "${new_files[@]}"