| #! /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 |
