====== Linux - Date Time - Get last Sunday of month ======

===== Using bash =====

<code bash>
cal -m | awk ‘{print $7}’ | grep -E ‘[0-9]’ | tail -n 1
</code>

returns:

<code bash>
28
</code>

<WRAP info>
**NOTE:**  The **cal** command is run using the **-m** switch to have the first day of week to be Monday.
</WRAP>

----

===== Only using awk =====

<code bash>
cal -m | awk ‘$7!=””{l=$7} END {print l}’
</code>

returns:

<code bash>
28
</code>