PERT est une méthodologie de gestion de projet. Il s'agit d'un fork du programme bash qui permet d'afficher les tâches et les prévisions individuels et cumulés : https://github.com/arzzen/pert
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Bash PERT Calculator

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

Usage

A command line PERT calculator for quick estimates.

Comma separated task list in the form "1,2,12 4,5,9 2,3,6", where whitespace separates tasks.

Usage:
    pert.sh [optimistic,realistic,pessimistic]

Example:
    pert.sh 1,3,4
    pert.sh 10,15,20 5,7,10
    pert.sh "1,2,3" "15,17,20"

Example

Command:

$ ./pert.sh 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 | +----------------------------------------+