bash/tools/creating_data/download_files.sh

#   COPYRIGHT NOTICE STARTS HERE
#
#   Copyright 2018 © Samsung Electronics Co., Ltd.
#
#   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.
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LIST_FILE="$1"
if [[ -z "$LIST_FILE" ]]; then
    echo "Missing list file"
    exit 1
fi
outdir="$2"
if [[ -z "$outdir" ]]; then
    echo "Missing output directory"
    exit 1
fi
lines=$(cat "$LIST_FILE" | wc -l)
cnt=1
# create output dir if not exists
mkdir -p "$outdir"
while read -r line; do
    # www.springframework.org/schema/tool/spring-tool-4.3.xsd
    file="${line%%\?*}"
    filename=$(basename "$file")
    echo "Downloading $cnt / $lines: $file"
    # following curl params are ensurring 5 reties and cut-off if connectivity will
    # drop below 10b/10s
    curl --retry 5 -y 10 -Y 10 --location  "$line" -o "$outdir/$filename" &>/dev/null
    cnt=$((cnt+1))
done < "$LIST_FILE"