Adding in SendSignal example.

expect_test.go

diff --git a/expect_test.go b/expect_test.go
index acacc89..b9d0a51 100644
--- a/expect_test.go
+++ b/expect_test.go
@@ -1329,7 +1329,7 @@
 		return
 	}
 
-	reExpect, err := regexp.Compile("Sig USR1")
+	reExpect, err := regexp.Compile("USR1")
 	if err != nil {
 		fmt.Printf("regexp.Compile(%q) failed: %v", "Sig USR1", err)
 		return
@@ -1342,7 +1342,7 @@
 	}
 	fmt.Println(match)
 	<-r
-	// Output: Sig USR1
+	// Output: Got the USR1 Signal
 }
 
 var tMap map[string][]Batcher

testdata/traptest.sh

diff --git a/testdata/traptest.sh b/testdata/traptest.sh
index f5a634a..8e56ebf 100755
--- a/testdata/traptest.sh
+++ b/testdata/traptest.sh
@@ -1,13 +1,16 @@
 #!/bin/bash
-FIFOFILE=~/fifo
+FIFOFILE=$(mktemp -u)
 trap 'rm -f $FIFOFILE; echo "Got the INTR Signal"' INT
 trap 'rm -f $FIFOFILE; echo "Got the QUIT Signal"' QUIT
 trap 'rm -f $FIFOFILE; echo "Got the USR1 Signal"' USR1
 trap 'rm -f $FIFOFILE; echo "Got the HUP Signal"' HUP
 
-[[ -f "$FIFOFILE" ]] && rm -f $FIFOFILE
+if [[ -p $FIFOFILE ]]
+then
+  rm -f $FIFOFILE
+fi
 
-mkfifo -m 0400 $FIFOFILE || exit
+mkfifo -m 0400 $FIFOFILE
 echo "Waiting for signal"
-cat < $FIFOFILE || echo ""
+true < $FIFOFILE
 sleep 10