search

#!/bin/bash

#    Keyword Finder - Search keyword inside the files.
#    Copyright (C) 1995-2023  Richard Huang <rickypc@users.noreply.github.com>
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.

: ${SEARCH_IGNORE_FILE:=.searchignore}

function usage {
    echo -e "Usage: $0 [-e <exclude folder> ...] -h <keyword> -s\n"
    echo "Command line switches are optional. The following switches are recognized."
    echo "   -e  -- Folder to be excluded from the search path."
    echo "   -h  -- Show this usage."
    echo "   -s  -- Skip .searchignore file."
    exit 1
}

while getopts ":e:hs" o; do
    case "$o" in
        e) EXCLUDES+=("$OPTARG");;
        h) usage;;
        s) SKIP_IGNORE=true;;
    esac
done

shift $((OPTIND-1))

FIND_ARGS+="-not \( -path '*.git/*' -prune \)"

if [ "$SKIP_IGNORE" != true ]; then
    if [ -f $SEARCH_IGNORE_FILE ]; then
        while read EXCLUDE; do
            FIND_ARGS+=" -not \( -path '*$EXCLUDE*' -prune \)"
        done < $SEARCH_IGNORE_FILE
    fi
fi

if [ ! -z "$EXCLUDES" ]; then
    for EXCLUDE in "${EXCLUDES[@]}"; do
        FIND_ARGS+=" -not \( -path '*$EXCLUDE*' -prune \)"
    done
fi

eval "find . -type f $FIND_ARGS -print0 2>/dev/null" | xargs -0 grep --color=always --line-buffered -HIinrs "$1"