Add some basic util flags

1 files changed, 2 insertions, 0 deletions

diff --git a/awk.md b/awk.md
index 8e8499a..2c0e1fa 100644
--- a/awk.md
+++ b/awk.md
@@ -12,3 +12,5 @@ Program is ;-separated pattern-action statements.
 
 `$0` is whole line, `$1`, `$2`, ... are fields separated by `FS` (by default,
 whitespace).
+
+Set `FS` with `-F <sepstring>`