Mini Shell

#!/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.

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"