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