List associative array keys

bash

printf '%s
' "${!ports[@]}"

Explanation

Useful for loops and reporting.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Same sheet · prioritizing Associative Arrays

Declare an associative array.

Open In sheetbashsame section

Read a value by key.

Open In sheetbashsame section

Iterate through an associative array.

Open In sheetbashsame section

Create an indexed array.

Open In sheetbash1 tag match

Read an array element by index.

Open In sheetbash1 tag match

Expand all array items safely.

Open In sheetbash1 tag match