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-rw-r--r--examples/startup-files/bashrc7
1 files changed, 4 insertions, 3 deletions
diff --git a/examples/startup-files/bashrc b/examples/startup-files/bashrc
index 069e8be..2d8d37b 100644
--- a/examples/startup-files/bashrc
+++ b/examples/startup-files/bashrc
@@ -1,6 +1,7 @@
-if [ -z "$PS1" ]; then
- return
-fi
+case $- in
+*i*) ;;
+*) return ;;
+esac
# bogus
if [ -f /unix ] ; then