ali_extract

#!/bin/bash

trap "exit" SIGINT

ZIP="root_archive.zip"
FILE="AnalysisResults.root"
CURDIR="$(pwd -P)"

help () {
echo "$0 -test -dir start_directory -zip zip_file -file file_to_be_extracted
all arguments are optional; the default values are :
-dir : current directory
-zip : root_archive.zip
-file : AnalysisResults.root
-test : no zip testing unless specified"
}

POSITIONAL=()
while [[ $# -gt 0 ]]; do
    key="${1}"

    case ${key} in
        -test)
        IS_TEST="1"
        shift # past argument
        ;;
        -h|-help|--h|--help)
        help
        exit 0
        ;;
        -zip)
        ZIP="${2}"
        shift # past argument
        shift # past value
        ;;
        -file)
        FILE="${2}"
        shift # past argument
        shift # past value
        ;;
        -dir)
        CURDIR="${2}"
        shift # past argument
        shift # past value
        ;;
        *)    # unknown option
        POSITIONAL+=("${1}") # save it in an array for later
        shift # past argument
        ;;
    esac
done
set -- "${POSITIONAL[@]}" # restore positional parameters

EXTRACT='unzip -o -u '
TEST='unzip -tq '
which 7za &> /dev/null && { EXTRACT='7za -y e '; TEST='7za t '; }

list=$(find -H "${CURDIR}" -type f -name "${ZIP}" -printf '%p\n')

for f in ${list};do
    size=$(stat -c %s "${f}")
    [[ ${size} == "0" ]] && { echo -e ${f} "  ---> SIZE 0 <--- "; rm -rf "${f}"; continue; }

    if [[ -n "${IS_TEST}" ]]; then
        ${TEST} "${f}" &> /dev/null || { echo -e "${f} ---> ZIP TEST FAILED <--- "; rm -rf "${f}"; }
    else
        cd "$(/usr/bin/dirname ${f})"
        ${EXTRACT} "$(/usr/bin/basename ${f})" "${FILE}"
    fi
done