314671543a
There's something weird going on with --progress-bar, it was working before but I could not figure out which change broke it.
89 lines
3.5 KiB
Bash
Executable file
89 lines
3.5 KiB
Bash
Executable file
#!/bin/bash
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# wcurl - a simple wrapper around curl for easily downloading files.
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# version: 2024-05-14
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#
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# Copyright (C) Samuel Henrique, <samueloph@debian.org>.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice (including the next
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# paragraph) shall be included in all copies or substantial portions of the
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# Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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# SPDX-License-Identifier: MIT
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function print_help {
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printf "Usage: wcurl [-o|--opts=<CURL_OPTIONS>...] <URL>...\n"
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printf "For all options use the manual: man wcurl\n"
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}
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# Initialize array which stores list of encoded URLs.
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declare -a urls_to_download=()
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# If no arguments were provided, show the help output and exit with an error.
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if [ $# -eq 0 ]; then
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>&2 echo "No arguments provided, here's the help output:"
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print_help
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exit 1
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fi
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# Parse arguments and encode URLs to be downloaded.
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for argument in "$@"
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do
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# Check if argument is a parameter, we need to pass those to curl.
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if [[ $argument == -o=* ]] || [[ $argument == --opts=* ]]; then
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curl_opts="${argument#*=}"
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# Show help output on -h|--help
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elif [[ $argument == "-h" ]] || [[ $argument == "--help" ]]; then
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print_help
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exit 0
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# Unknown parameter provided.
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elif [[ $argument == -* ]]; then
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echo "Unsuported parameter provided, only -o= and --opts= are supported: $argument"
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exit 1
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# If it's not a parameter, assume it's an URL.
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else
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# Encode whitespaces into %20, since wget supports those URLs.
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urls_to_download+=("${argument/ /%20/}")
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fi
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done
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# The init read-only variable is used below in the for loop to check if the url
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# being appended to the command is the first one or not. That's because once we
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# are appending any URLs after the first one, we need to also make use of the
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# "--next" parameter.
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declare -r command_to_eval_init="curl --parallel"
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command_to_eval="$command_to_eval_init"
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declare -r per_url_parameters="--location --remote-name --remote-time --retry 10 --retry-max-time 10 $curl_opts --continue-at -"
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# If we have URLs to download.
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if (( ${#urls_to_download[@]} != 0 )); then
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for url in "${urls_to_download[@]}"; do
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# If this is the first command we've added, don't prepend "--next" to it.
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if [[ "$command_to_eval" == "$command_to_eval_init" ]]; then
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command_to_eval="$command_to_eval $per_url_parameters $url"
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else
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command_to_eval="$command_to_eval --next $per_url_parameters $url"
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fi
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done
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fi
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# Print command_to_eval if the debug environment variable is set.
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[[ -z "${WCURL_DEBUG}" ]] || echo "$command_to_eval"
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# Call curl with the generated parameters.
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eval "$command_to_eval"
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