This plugin will show the current week number.
#!/bin/bash
# <xbar.title>Week Number</xbar.title>
# <xbar.version>v0.1</xbar.version>
# <xbar.author>Steffen Froehlich</xbar.author>
# <xbar.author.github>citoki</xbar.author.github>
# <xbar.desc>This plugin will show the current week number.</xbar.desc>
# <xbar.image>https://i.imgur.com/bfKN7x2.png</xbar.image>
# <xbar.dependencies></xbar.dependencies>
date +"%V"