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-rw-r--r--adjbacklight.15
1 files changed, 4 insertions, 1 deletions
diff --git a/adjbacklight.1 b/adjbacklight.1
index 3596e5d..f1ba575 100644
--- a/adjbacklight.1
+++ b/adjbacklight.1
@@ -11,7 +11,10 @@ adjbacklight - Convenient method for adjusting the backlight on your portable co
.B adjbacklight
can be used to fetch or set the backlight non-interactively.
If these feature is not used, it starts a interactive user
-interface in the terminal.
+interface in the terminal. However, if stdin is not a terminal,
+every line from stdin is parsed as a
+.B -s
+argument.
.P
.B adjbacklight
installs with the set-uid bit set, to enable any user to