MYNT-EYE-S-SDK/tools/checksum/md5sum.sh
2018-05-16 16:56:02 +08:00

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#!/usr/bin/env bash
# Copyright 2018 Slightech Co., Ltd. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
BASE_DIR=$(cd "$(dirname "$0")" && pwd)
ROOT_DIR=$(realpath "$BASE_DIR/../..")
SCRIPTS_DIR="$ROOT_DIR/scripts"
source "$SCRIPTS_DIR/common/echo.sh"
source "$SCRIPTS_DIR/common/host.sh"
if [ "$HOST_OS" = "Linux" ]; then
_md5sum() { md5sum "$1"; }
elif [ "$HOST_OS" = "Mac" ]; then
_md5sum() { md5 -q "$1"; }
elif [ "$HOST_OS" = "Win" ]; then
_md5sum() { certutil -hashfile "$1" MD5; }
else # unexpected
_echo_e "Unknown host os :("
exit 1
fi
PYTHON="python"
if [ "$HOST_OS" = "Win" ]; then
# default python on MSYS
PYTHON="python2"
fi
_get_size() {
PYTHON_ARG="$1" $PYTHON - <<EOF
import math
from os.path import getsize
def convert_size(size_bytes):
if size_bytes == 0:
return "0B"
size_name = ("B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB")
i = int(math.floor(math.log(size_bytes, 1024)))
p = math.pow(1024, i)
s = round(size_bytes / p, 2)
return "%s %s" % (s, size_name[i])
import os
print(convert_size(getsize(os.environ["PYTHON_ARG"])))
EOF
}
_print_info() {
file="$1"
_echo "File: $file"
_echo "Size: `_get_size "$file"`"
_echo "MD5: `_md5sum "$file"`"
_echo
}
if [ $# -eq 0 ]; then
_echo_e "Usage: ./tools/checksum/md5sum.sh <file or directory>"
exit 1
fi
if [ -d "$1" ]; then
find "$1" -type f | while read -r f; do
_print_info "$f"
done
else
_print_info "$1"
fi