{"id":13883455,"url":"https://github.com/arzzen/pert","last_synced_at":"2026-02-24T02:02:38.726Z","repository":{"id":78915222,"uuid":"48438283","full_name":"arzzen/pert","owner":"arzzen","description":"A simple command line (bash/shell) utility to estimate tasks using PERT [Program Evaluation and Review Technique]","archived":false,"fork":false,"pushed_at":"2020-02-05T09:25:02.000Z","size":26,"stargazers_count":83,"open_issues_count":0,"forks_count":10,"subscribers_count":4,"default_branch":"master","last_synced_at":"2025-04-04T08:51:17.621Z","etag":null,"topics":["estimate","estimate-tasks","evaluation","pert","review","task","time"],"latest_commit_sha":null,"homepage":"","language":"Shell","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/arzzen.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":"CONTRIBUTING.md","funding":".github/FUNDING.yml","license":"LICENSE","code_of_conduct":"CODE_OF_CONDUCT.md","threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null},"funding":{"github":"arzzen","custom":["https://lukasmestan.com/thanks/"]}},"created_at":"2015-12-22T15:05:18.000Z","updated_at":"2025-01-19T08:43:32.000Z","dependencies_parsed_at":"2023-06-26T09:30:27.898Z","dependency_job_id":null,"html_url":"https://github.com/arzzen/pert","commit_stats":null,"previous_names":[],"tags_count":3,"template":false,"template_full_name":null,"purl":"pkg:github/arzzen/pert","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/arzzen%2Fpert","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/arzzen%2Fpert/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/arzzen%2Fpert/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/arzzen%2Fpert/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/arzzen","download_url":"https://codeload.github.com/arzzen/pert/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/arzzen%2Fpert/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":29768342,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-02-24T01:40:24.820Z","status":"online","status_checked_at":"2026-02-24T02:00:07.497Z","response_time":75,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["estimate","estimate-tasks","evaluation","pert","review","task","time"],"created_at":"2024-08-06T09:01:32.845Z","updated_at":"2026-02-24T02:02:38.694Z","avatar_url":"https://github.com/arzzen.png","language":"Shell","funding_links":["https://github.com/sponsors/arzzen","https://lukasmestan.com/thanks/"],"categories":["Shell","📦 Legacy \u0026 Inactive Projects"],"sub_categories":[],"readme":"### Bash PERT Calculator\n\n\u003e A simple utility to estimate tasks using PERT (Program evaluation and review technique)\n\n### Demo\n\n![pert example](https://cloud.githubusercontent.com/assets/6382002/13582789/8205bac0-e4ae-11e5-9a03-894e32943f30.gif)\n\n\n### Usage\n\nComma separated task list in the form `\"1,2,12 4,5,9 2,3,6\"`, where whitespace separates tasks.\n(or you can use piping inputs `echo \"1,2,3 10,30,40\" | pert`)\n\nUsage: \n\n`pert [optimistic,realistic,pessimistic]`\n\nExample:\n\n`pert 1,3,4`\n\n`pert 10,15,20 5,7,10`\n\n`pert \"1,2,3\" \"15,17,20\"`\n\n`cat data.txt | pert`\n\n`echo \"1,2,3 9,10,14\" | pert`\n\n\n### Install\n\n```bash\n$ git clone https://github.com/arzzen/pert.git \u0026\u0026 cd pert\n$ sudo make install\n```\n\nFor uninstalling, open up the cloned directory and run\n\n```bash\nsudo make uninstall\n```\n\n### Example\n\nCommand:\n\n`$ ./pert 5,7,10 2,3,4 10,12,14`\n\nOutput:\n\u003cpre\u003e\nTasks\n\n +--------------------------------------------------------------------------------------+\n | #            | optimistic | realistic | pessimistic | duration |     risk | variance |\n +--------------------------------------------------------------------------------------+\n | 1. task      |          5 |         7 |          10 |     7.16 |     0.83 |     0.68 |\n | 2. task      |          2 |         3 |           4 |     3.00 |     0.33 |     0.10 |\n | 3. task      |         10 |        12 |          14 |    12.00 |     0.66 |     0.43 |\n +--------------------------------------------------------------------------------------+\n | summary      |          - |         - |           - |    22.16 |     1.82 |     1.21 |\n +--------------------------------------------------------------------------------------+\n\nThree point estimates\n\n +----------------------------------------+\n | confidence    |            |           |\n +----------------------------------------+\n | 1 Sigma - 68% |      20.34 |     23.98 |\n | 2 Sigma - 95% |      18.52 |     25.80 |\n | 3 Sigma - 99% |      16.70 |     27.62 |\n +----------------------------------------+\n \u003c/pre\u003e\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Farzzen%2Fpert","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Farzzen%2Fpert","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Farzzen%2Fpert/lists"}