cross-shell test runner in runtests

.gitignore

@@ -0,0 +1 @@
+.urchin_stdout

runtests

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+#!/bin/sh
+# Run urchin in a bunch of different shells,
+# including a shell that isn't quite POSIX-compatible (zsh)
+
+for shell in dash bash ksh oksh pdksh zsh; do
+  if which $shell > /dev/null 2> /dev/null; then
+    echo
+    echo Running urchin tests in $shell
+    $shell urchin tests | tail -n 2
+  else
+    echo
+    echo Skipping $shell because it is not in the PATH
+  fi
+done