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Gaston Gonzalez
50 lines
1.2 KiB
Bash
Executable File
50 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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# Author : Gaston Gonzalez
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# Date : 28 February 2025
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# Purpose : Download utility for VARA applications
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BASE_HTML_FILE="vara-index.html"
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cleanup() {
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[[ -f "$BASE_HTML_FILE" ]] && rm "${BASE_HTML_FILE}"
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}
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trap cleanup EXIT
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function usage() {
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echo "Usage: $(basename $0) <pattern>"
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echo " pattern - VARA filename substring pattern to match on"
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}
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if [ $# -ne 1 ]; then
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usage
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exit 1
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fi
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FILENAME_PATTERN="$1"
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BASE_URL="https://downloads.winlink.org"
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INDEX_URL="${BASE_URL}/VARA%20Products/"
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# 1. Fetch main VARA download page as HTML
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curl -s -f -L -o ${BASE_HTML_FILE} ${INDEX_URL}
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[[ $? -ne 0 ]] && et-log "Error fetching VARA index page: ${BASE_URL}" && exit 1
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# 2. Extract all links from index page
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VARA_FILE_PATH=$(cat ${BASE_HTML_FILE} | pup 'a attr{href}' | grep "${FILENAME_PATTERN}")
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[[ $? -ne 0 ]] && et-log "Error finding VARA file matching specified pattern" && exit 1
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#3. Check for multiple matches
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if [[ "${VARA_FILE_PATH}" =~ [[:space:]] ]]; then
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echo -e "\n${VARA_FILE_PATH}\n"
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et-log "Multiple files matched. Try again with a more specific pattern."
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exit 1
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fi
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FULL_URL="${BASE_URL}${VARA_FILE_PATH}"
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et-log "Found ${VARA_FILE_PATH}"
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et-log "Downloading: ${FULL_URL}"
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curl -s -f -L -O "${FULL_URL}"
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exit $?
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