Array length bash

Get length of array bash

## define it
distro=("redhat" "debian" "gentoo")
 
## get length of $distro array
len=${#distro[@]}
 
## Use bash for loop 
for (( i=0; i<$len; i++ )); do echo "${distro[$i]}" ; done

Source: cyberciti.biz

Bash size of array

echo "${#my_array[@]}"

Array length bash

echo "${#your_array[@]}"

Bash map lenght

$ declare -A array
$ array[foo]='something'
$ array[bar]='blah'
$ array[42]='nothing'
$ echo ${#array[@]}
3

Source: stackoverflow.com

Similar codes

31 votes133 views6 answers
Check process on port linux
Shell/Bash
0 vote155 views1 answer
Append data to a file with cat command
Shell/Bash
0 vote146 views1 answer
Javascript implements
Shell/Bash
0 vote135 views1 answer
Zfs check compression type
Shell/Bash
1 vote162 views2 answers
How to install ruby on ubuntu
Shell/Bash
3 votes146 views1 answer
How to check if ros is installed
Shell/Bash
2 votes144 views1 answer
Improve ubuntu 16.04 performance
Shell/Bash
0 vote194 views1 answer
Install pandas with miniconda"
Shell/Bash
0 vote135 views1 answer
Look like hacker linux
Shell/Bash
0 vote131 views1 answer
Install couchdb ubuntu 18.04
Shell/Bash