Rename tactic -> predicate.

[goals.git] / stdlib / prelude.sh

diff --git a/stdlib/prelude.sh b/stdlib/prelude.sh
index 5b42f4e..fcd1bac 100644 (file)
--- a/stdlib/prelude.sh
+++ b/stdlib/prelude.sh
@@ -24,5 +24,16 @@
 function quoted_string ()
 {
     # XXX This doesn't actually do quoting XXX
-    echo "\"$1\""
+    echo -n "\"$1\""
+}
+
+# For printing strings in different colours.
+function print_red ()
+{
+    echo -e "\x1b[1;31m$@\x1b[0m"
+}
+
+function print_green ()
+{
+    echo -e "\x1b[0;32m$@\x1b[0m"
 }