diff --git a/bash/one_liners.bash b/bash/one_liners.bash
index c5a0da0..01f1556 100644
--- a/bash/one_liners.bash
+++ b/bash/one_liners.bash
@@ -2,5 +2,11 @@
 
 # How to strip leading "./" in "find"
 find -type f -printf '%P\n'
-# From find manual: %P File's name with the name of the command line argument under which it was found removed.
+  # From find manual: %P File's name with the name of the command line argument under which it was found removed.
 
+# Get a grep command to not find itself
+<command> | grep '[p]attern'
+  # will find instances of 'pattern' in the output of <command> but not the grep command itself.
+  # Ref: https://stackoverflow.com/questions/20528894/how-does-ps-aux-grep-pattern-exclude-grep-itself
+  # The pattern "[p]attern" will not match the literal string "[p]attern". Instead it will match strings
+  #   with exactly one char from the 1-character class "[p]", followed by "attern".
\ No newline at end of file