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- #! /bin/sh
- ## Like "rcp" but uses netcat on a high port.
- ## do "ncp targetfile" on the RECEIVING machine
- ## then do "ncp sourcefile receivinghost" on the SENDING machine
- ## if invoked as "nzp" instead, compresses transit data.
-
- ## pick your own personal favorite port, which will be used on both ends.
- ## You should probably change this for your own uses.
- MYPORT=23456
-
- ## if "nc" isn't systemwide or in your PATH, add the right place
- # PATH=${HOME}:${PATH} ; export PATH
-
- test "$3" && echo "too many args" && exit 1
- test ! "$1" && echo "no args?" && exit 1
- me=`echo $0 | sed 's+.*/++'`
- test "$me" = "nzp" && echo '[compressed mode]'
-
- # if second arg, it's a host to send an [extant] file to.
- if test "$2" ; then
- test ! -f "$1" && echo "can't find $1" && exit 1
- if test "$me" = "nzp" ; then
- compress -c < "$1" | nc -v -w 2 $2 $MYPORT && exit 0
- else
- nc -v -w 2 $2 $MYPORT < "$1" && exit 0
- fi
- echo "transfer FAILED!"
- exit 1
- fi
-
- # fall here for receiver. Ask before trashing existing files
- if test -f "$1" ; then
- echo -n "Overwrite $1? "
- read aa
- test ! "$aa" = "y" && echo "[punted!]" && exit 1
- fi
- # 30 seconds oughta be pleeeeenty of time, but change if you want.
- if test "$me" = "nzp" ; then
- nc -v -w 30 -p $MYPORT -l < /dev/null | uncompress -c > "$1" && exit 0
- else
- nc -v -w 30 -p $MYPORT -l < /dev/null > "$1" && exit 0
- fi
- echo "transfer FAILED!"
- # clean up, since even if the transfer failed, $1 is already trashed
- rm -f "$1"
- exit 1
-