Add getopts

1 files changed, 11 insertions, 0 deletions

diff --git a/bash.md b/bash.md
index e342625..12312c6 100644
--- a/bash.md
+++ b/bash.md
@@ -77,3 +77,14 @@ All keys:
 
     ${!array[*]}
     ${!array[@]}
+
+## Getopts example
+
+    while getopts 'a:b:c' flag; do
+      case "${flag}" in
+        a) do_something $OPTARG ;;
+        b) b_option=$OPTARG ;;
+        c) c_flag=1 ;;
+        *) error "Unexpected option ${flag}" ;;
+      esac
+    done