/usr/bin/lftpget is in lftp 4.3.3-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | #!/bin/sh
# lftpget - get a file with lftp
# Copyright (c) 1999-2000 Alexander V. Lukyanov <lav@yars.free.net>
# This file is covered by GNU GPL. See file COPYING for details.
# $Id: lftpget,v 1.9 2006/05/18 06:31:27 lav Exp $
if [ $# -eq 0 ]; then
   echo "Usage: $0 [-c] [-d] [-v] URL [URL...]"
   echo " -c  continue, reget"
   echo " -d  debug output"
   echo " -v  verbose messages"
   exit 1
fi
INTRO="set cmd:at-exit;set xfer:max-redirections 16;"
SCRIPT=""
verbose=false
while :
do
   case "$1" in
   -*v*) verbose=true
	 INTRO="$INTRO set cmd:verbose y;"
	 ;;
   esac
   case "$1" in
   -*d*) INTRO="$INTRO debug 8;";;
   esac
   case "$1" in
   -*c*) CONT=-c;;
   -*[dv]*) ;;
   *)	 break;;
   esac
   shift
done
for f
do
   need_pass=false
   case "$f" in
   "*[\"'\\]*")
      # need to quote
      f="`echo "$f" | sed 's/\([\\\"'\'']\)/\\\1/g'`"
      ;;
   esac
   case "$f" in
   "*://*:*@*")  ;;
   "*://*@*")    need_pass=true;;
   esac
   if $verbose; then
      SCRIPT="$SCRIPT echo Retrieving \`\"$f\"\'...;"
   fi
   if $need_pass; then
      SCRIPT="$SCRIPT echo \"$f\" needs password;"
   fi
   SCRIPT="$SCRIPT get1 $CONT \"$f\";"
   if $verbose; then
      SCRIPT="$SCRIPT && echo Got \`\"$f\"\'.;"
   fi
done
if [ "$SCRIPT" = "" ]; then
   echo "Usage: $0 URL [URL...]" >&2
   exit 1
fi
exec lftp -c "$INTRO $SCRIPT"
 |