if command -v "fzf" >/dev/null; then
  FZF="fzf --black --ansi --cycle"
else
  err "Did not find the command-line fuzzy finder fzf."
  exit 1
fi
export FZF

if command -v "curl" >/dev/null; then
  CURL="curl --silent"
else
  err "Did not find curl."
  exit 1
fi
export CURL

if command -v "jq" >/dev/null; then
  JQ="jq"
else
  err "Did not find jq."
  exit 1
fi
export JQ

if command -v "mpv" >/dev/null; then
  MPV="mpv"
else
  err "Did not find mpv."
  exit 1
fi
export MPV

if command -v "socat" >/dev/null; then
  SOCAT="socat"
else
  err "Did not find socat."
  exit 1
fi
export SOCAT