beefind.sh.in

#!/bin/bash
#
# beefind - scan directory and print files
#
# Copyright (C) 2009-2016
#       Tobias Dreyer <dreyer@molgen.mpg.de>
#       Marius Tolzmann <m@rius.berlin>
#       and other bee developers
#
# This file is part of bee.
#
# bee is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

BEE_VERSION="@BEE_VERSION@"

: ${BEE_LIBEXECDIR:=@LIBEXECDIR@}
: ${BEE_BINDIR:=@BINDIR@}

. ${BEE_LIBEXECDIR}/bee/beelib.config.sh

: ${BEEGETOPT:=${BEE_BINDIR}/beegetopt}

function usage() {
    cat <<-EOF
	beefind v${BEE_VERSION} 2009-2016
	  by Tobias Dreyer <dreyer@molgen.mpg.de> and Marius Tolzmann <m@rius.berlin>

	Usage: beefind [options] <directory>

	Options:
	    -c, --cutroot <path>         strip <path> from printed files
	    -e, --exclude <pattern>      ignore files matching <pattern>
	    -s, --exclude-list <file>    ignore files matching pattern described in <file>

	    -o, --output <file>          output is redirected into <file> instead of <stdout>

	    -h, --help                   display this help

	EOF
}

function do_beefind() {
    local options=$(${BEEGETOPT} --name beefind \
                        --option cutroot/c \
                        --option exclude/e= \
                        --option exclude-list/E= \
                        -- "${@}")

    if [ $? != 0 ] ; then
        usage
        exit 1
    fi

    eval set -- "${options}"

    declare    find_format="%p\n"
    declare -a OPT_EXCLUDE
    declare -a OPT_EXCLUDELIST

    while true ; do
        case "${1}" in
            --cutroot)
                find_format="/%P\n"
                shift 1
                ;;
            --exclude)
                OPT_EXCLUDE=( "${OPT_EXCLUDE[@]}" "${2}" )
                shift 2
                ;;
            --exclude-list)
                OPT_EXCLUDELIST=( "${OPT_EXCLUDELIST[@]}" "${2}" )
                shift 2
                ;;
            --)
                shift
                break
                ;;
        esac
    done

    if [ -z "${@}" ] ; then
        usage
        exit 1
    fi

    dirs=( "${@}" )

    grep \
        --extended-regexp \
        --invert-match \
        --file=<(if [ "${#OPT_EXCLUDELIST[@]}" -gt 0 ] ; then
                     grep --invert-match --regexp="^ *$" ${OPT_EXCLUDELIST[@]}
                 fi) \
        --file=<(for p in ${OPT_EXCLUDE[@]} ; do
                     echo ${p}
                 done) \
        <(find ${dirs[@]} -mindepth 1 -xdev -printf ${find_format})
}

###############################################################################
###############################################################################
###############################################################################

options=$(${BEEGETOPT} --name beefind \
                 --option output/o= \
                 --option help/h \
                 -- "${@}")

if [ $? != 0 ] ; then
    usage
    exit 1
fi

eval set -- "${options}"

declare OPT_OUTPUT=

while true ; do
    case "${1}" in
        --output)
            OPT_OUTPUT="${2}"
            shift 2
            ;;
        --help)
            usage
            exit 0
            ;;
        --)
            shift
            break
            ;;
    esac
done

if [ -n "${OPT_OUTPUT}" ] ; then
    if ! exec 1>${OPT_OUTPUT} ; then
        print_warning "can't write to ${OPT_OUTPUT}"
        exit 1
    fi
fi

do_beefind "${@}"