Skip to content
master
Go to file
Code

Latest commit

 

Git stats

Files

Permalink
Failed to load latest commit information.
Type
Name
Latest commit message
Commit time
 
 
 
 
 
 
 
 
 
 

README.md

Bash PERT Calculator

A simple utility to estimate tasks using PERT (Program evaluation and review technique)

Demo

pert example

Usage

Comma separated task list in the form "1,2,12 4,5,9 2,3,6", where whitespace separates tasks. (or you can use piping inputs echo "1,2,3 10,30,40" | pert)

Usage:

pert [optimistic,realistic,pessimistic]

Example:

pert 1,3,4

pert 10,15,20 5,7,10

pert "1,2,3" "15,17,20"

cat data.txt | pert

echo "1,2,3 9,10,14" | pert

Install

$ git clone https://github.com/arzzen/pert.git && cd pert
$ sudo make install

For uninstalling, open up the cloned directory and run

sudo make uninstall

Example

Command:

$ ./pert 5,7,10 2,3,4 10,12,14

Output:

Tasks

 +--------------------------------------------------------------------------------------+
 | #            | optimistic | realistic | pessimistic | duration |     risk | variance |
 +--------------------------------------------------------------------------------------+
 | 1. task      |          5 |         7 |          10 |     7.16 |     0.83 |     0.68 |
 | 2. task      |          2 |         3 |           4 |     3.00 |     0.33 |     0.10 |
 | 3. task      |         10 |        12 |          14 |    12.00 |     0.66 |     0.43 |
 +--------------------------------------------------------------------------------------+
 | summary      |          - |         - |           - |    22.16 |     1.82 |     1.21 |
 +--------------------------------------------------------------------------------------+

Three point estimates

 +----------------------------------------+
 | confidence    |            |           |
 +----------------------------------------+
 | 1 Sigma - 68% |      20.34 |     23.98 |
 | 2 Sigma - 95% |      18.52 |     25.80 |
 | 3 Sigma - 99% |      16.70 |     27.62 |
 +----------------------------------------+
 
You can’t perform that action at this time.