#!/usr/bin/env bash

# Strategy 1: trim whitespace from heredoc:
curl "$(tr -d '[:space:]' <<EOD
  http://www.example.com/articles/technology/2024/07/10
  /this-is-an-example-of-a-very-long-article-title-with-lots
  ?query=example&page=2
  #section3
EOD
  )"

# Strategy 2: build up temp var in subprocess:
#   Below "a" is built up in the subprocess and does not
#   clobber $a in the current environment.
curl "$( \
  a='http://www.example.com/articles/technology/2024/07/10'; \
  a+='/this-is-an-example-of-a-very-long-article-title-with-lots'; \
  a+='?query=example&page=2'; \
  a+='#section3'; \
  echo ${a})"