Sheetocan is a tool to calculate time you spent at work at current day, week and month basing on your timesheet.
Using Launchpad:
sudo apt-add-repository ppa:nixargh/sheetocan
sudo apt-get update
sudo apt-get install sheetocan
Using git:
git clone https://github.com/nixargh/sheetocan.git
sudo ln -s ~/sheetocan/sheetocan /usr/local/bin/sheetocan
sheetocan -r ~/timesheet/myname
Please create new issue here and describe what do you want. Also feel free to contact me by mail or Slack.