Merge c9bdc254b2 into 8c19d0b482

README.md

@@ -836,6 +836,7 @@ Don’t use `ls`.
 
 ```shell
 # Greedy example.
+shopt -s nullglob
 for file in *; do
     printf '%s\n' "$file"
 done
@@ -849,6 +850,7 @@ done
 for dir in ~/Downloads/*/; do
     printf '%s\n' "$dir"
 done
+shopt -u nullglob
 
 # Brace Expansion.
 for file in /path/to/parentdir/{file1,file2,subdir/file3}; do
@@ -1006,14 +1008,17 @@ count() {
 
 ```shell
 # Count all files in dir.
+$ shopt -s nullglob
 $ count ~/Downloads/*
 232
 
 # Count all dirs in dir.
+$ shopt -s nullglob
 $ count ~/Downloads/*/
 45
 
 # Count all jpg files in dir.
+$ shopt -s nullglob
 $ count ~/Pictures/*.jpg
 64
 ```