bash: expanded working with arrays (#534)

2020-06-23 16:23:07 +02:00 · 2020-06-23 16:23:07 +02:00 · 3a918a1619
parent 6b7e8ed460
commit 3a918a1619
1 changed files with 1 additions and 0 deletions
--- a/bash.md
+++ b/bash.md
@ -461,6 +461,7 @@ echo ${#Fruits[@]}          # Number of elements
 echo ${#Fruits}             # String length of the 1st element
 echo ${#Fruits[3]}          # String length of the Nth element
 echo ${Fruits[@]:3:2}       # Range (from position 3, length 2)
+echo ${!Fruits[@]}          # Keys of all elements, space-separated
 ```

 ### Operations