This is the command dzen2-textwidth that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
dzen2-textwidth - calculate the width in pixels of text for a given font.
dzen2-textwidth fontname string
textwidth is a simple utility to calculate the width in pixels of text with a given font.
This tool is provided as part of the dzen2 (1) package.
A summary of options is included below.
Set the font.
string Set the string.
Use dzen2-textwidth online using onworks.net services