Quickie for retrieving a specific file from Zenodo

zfile.zsh

#!/usr/bin/env zsh

usage() {
  echo "List files for a Zotero DOI."
  echo "Usage: zfile DOI [FNAME]"
  echo "  Show file contents on stdout if FNAME provided"
  echo "example:"
  echo "  zfile 10.5281/zenodo.11400483 stac.json"      
  exit 1
}

DOI="${1}"
FNAME="${2}"
if [ -z ${DOI} ]; then
  usage
fi

LINK_URL=$(curl -s -H "Accept: application/json, */*;q=0.1" -L -o /dev/null -w "%header{link}" "https://doi.org/${DOI}" | sed -n "s/<\(.*\)>.*/\1/p")
>&2 echo "LINK URL: ${LINK_URL}"
if [ -z ${FNAME} ]; then
  curl -s -H "Accept: application/json" ${LINK_URL} | jq '.files'
else
  CONTENT_URL=$(curl -s -H "Accept: application/json" ${LINK_URL} | jq -r --arg fname "$FNAME" '.files[] | select(.key==$fname) | .links.self')
  >&2 echo "CONTENT URL: ${CONTENT_URL}"
  curl -s ${CONTENT_URL}
fi