#!/usr/local/plan9/bin/rc if(! ~ $#* 2){ echo usage: netisdir system path >[1=2] exit usage } t=/tmp/netisdir.$pid.$USER fn sigexit { rm -f $t } { echo !echo XXX connected echo cd $2 echo !echo XXX directory exists } | sftp -b - $1 >$t >[2=1] if(9 grep -s XXX.directory.exists $t){ echo directory exit 0 } if(9 grep -s 'is not a directory' $t){ echo file exit 0 } cat $t | sed 's/sftp> //g; /^$/d; /XXX/d; /^cd /d' >[1=2] if(! 9 grep -s XXX.connected $t){ echo connect failed exit 0 } echo nonexistent exit 0