added pcptext_infile(), used with pcp1 -t -I $file, which determines filetype

by content. minor debugging changes.

tests/unittests.cfg

@@ -209,6 +209,30 @@ dxmorg@florida.cops.gov
   </test>
 </test>
 
+#
+# check usage of unencrypted secret key
+<test check-crypto-unencrypted-secret>
+  cmd = (echo dau; echo foo; echo yes) | $pcp -V vcl -k -x ""
+  expect = /added to/
+</test>
+
+<test check-crypto-unencrypted-secret-yaml>
+  cmd = $pcp -V vcl -y
+  expect = /encrypted:  no/
+</test>
+
+<test check-crypto-unencrypted-secret-message>
+  prepare = $pcp -V vcl -I key-bobby-pub -P
+  cmd     = echo HALLO | $pcp -V vcl -e -O testencrypted -i ${idbobby}
+  expect  = /success/
+</test>
+
+<test check-crypto-unencrypted-secret-read>
+  prepare = $pcp -V vcl -p | $pcp -V vb -P
+  cmd = $pcp -V vb -d -I testencrypted -x b
+  expect  = /HALLO/
+</test>
+
 #
 # signature test
 <test check-sign-to-bobby>