add sshpiperd example

.gitignore

@@ -22,3 +22,4 @@ _testmain.go
 *.exe
 *.test
 *.prof
+sshpiperd/example/sshpiperd_key*

sshpiperd/example/showme.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+if [ -z $GOPATH ]; then
+    echo "set go path first"
+    exit 1
+fi
+
+echo "Using go path $GOPATH"
+
+
+if [ ! -f $GOPATH/bin/sshpiperd ];then
+    go get github.com/tg123/sshpiper/sshpiperd
+    go install github.com/tg123/sshpiper/sshpiperd
+fi
+
+SSHPIPERD_BIN="$GOPATH/bin/sshpiperd"
+BASEDIR="$GOPATH/src/github.com/tg123/sshpiper/sshpiperd/example"
+
+if [ ! -f $BASEDIR/sshpiperd_key ];then
+    ssh-keygen -N '' -f $BASEDIR/sshpiperd_key
+fi
+
+for u in `find $BASEDIR/workingdir/ -name sshpiper_upstream`; do
+    upstream=`cat $u`
+
+    username=`dirname $u`
+    username=`basename $username`
+
+    echo "ssh 127.0.0.1 -p 2222 -l $username # connect to $upstream"
+done
+
+$SSHPIPERD_BIN -i $BASEDIR/sshpiperd_key -w $BASEDIR/workingdir

sshpiperd/example/workingdir/github/sshpiper_upstream

@@ -0,0 +1 @@
+github.com:22

sshpiperd/example/workingdir/linode/sshpiper_upstream

@@ -0,0 +1 @@
+lish-atlanta.linode.com:22