add Bash 4+ mapfile example

kellyjonbrazil · Apr 29, 2022 · 99f6771 · 99f6771
1 parent 2f5dba4
commit 99f6771
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/README.md b/README.md
@@ -129,7 +129,12 @@ Bash variable:
 variable=($(cat data.json | jello -rl _.foo))
 ```
 
-Bash array variable:
+Bash array variable (Bash 4+):
+```
+mapfile -t variable < <(cat data.json | jello -rl _.foo)
+```
+
+Bash array variable (older versions of Bash):
 ```
 variable=()
 while read -r value; do