# How to use the mulle-bootstrap bash function libraries in your code ``` main() { local MULLE_FLAG_EXEKUTOR_DRY_RUN="NO" local MULLE_FLAG_LOG_DEBUG="NO" local MULLE_FLAG_LOG_EXEKUTOR="NO" local MULLE_FLAG_LOG_TERSE="NO" local MULLE_TRACE local MULLE_TRACE_POSTPONE="NO" while [ $# -ne 0 ] do if core_technical_flags "$1" then shift continue fi # your option handling case "$1" in -*) fail "unknown option $1" ;; *) break ;; esac shift done core_setup_trace "${MULLE_TRACE}" ##### #### ### your code follows here ## # } _init() { libexecpath="`mulle-bootstrap library-path 2> /dev/null`" if [ -z "${libexecpath}" ] then echo "Fatal Error: Could not find mulle-bootstrap library for ${MULLE_EXECUTABLE}" >&2 exit 1 fi . ${libexecpath}/mulle-bootstrap-logging.sh . ${libexecpath}/mulle-bootstrap-functions.sh . ${libexecpath}/mulle-bootstrap-core-options.sh } MULLE_EXECUTABLE="`basename -- "$0"`" MULLE_ARGUMENTS="$@" MULLE_EXECUTABLE_FAIL_PREFIX="${MULLE_EXECUTABLE}" MULLE_EXECUTABLE_PID="$$" MULLE_EXECUTABLE_FUNCTIONS_MIN="3.9" MULLE_EXECUTABLE_FUNCTIONS_MAX="4" _init "$@" main "$@" ```