Don't rely on tty.

The tty command may not always be available.  Use the builtin test -t 0.

diff --git a/.bash_profile b/.bash_profile
index a89f59e..6fe0759 100644 (file)
--- a/.bash_profile
+++ b/.bash_profile
@@ -1,4 +1,4 @@
-if tty -s || [ "${0:0:1}" = "-" -o "$1" = "force" ]; then
+if [ -t 0 -o "${0:0:1}" = "-" -o "$1" = "force" ]; then
   # Remember if nocaseglob was on.
   shopt -q nocaseglob
   nocg=$?

diff --git a/.bashrc b/.bashrc
index 3d80825..5f4fdb5 100644 (file)
--- a/.bashrc
+++ b/.bashrc
@@ -1,4 +1,4 @@
-if tty -s; then
+if [ -t 0 ]; then
   . /etc/profile
   . ~/.bash_profile
 fi