dot/bashrc: Unset temporary variables used in constructing the prompt.

There's too much cruft in the interactive shell namespace anyway.

diff --git a/dot/bashrc b/dot/bashrc
index 1ed4aa0..a7173f7 100644 (file)
--- a/dot/bashrc
+++ b/dot/bashrc
@@ -69,7 +69,7 @@ if [ -t 0 ]; then
   ## Build the prompt string.
   PS1="$nl$bold$left$sec_l$u\\h$sec_r \\w$marker$right$unbold"
   PS2="$PS1 $bold>$unbold "
-
+  unset nl bold unbold left right sec_l sec_r marker
 fi
 
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