ivuorinen/cheatsheet-tldr
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Update cheatsheets

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ivuorinen
2025-06-20 00:20:24 +00:00
parent a746c9d8f6
commit 53cdffdca8
17 changed files with 373 additions and 22 deletions
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@@ -14,11 +14,11 @@ source: https://github.com/tldr-pages/tldr.git
- Measure the speed and amount of data flow between pipes (`--size` is optional):
`command1 | pv {{[-s|--size]}} {{expected_amount_of_data_for_eta}} | command2`
`{{command1}} | pv {{[-s|--size]}} {{expected_amount_of_data_for_eta}} | {{command2}}`
- Filter a file, see both progress and amount of output data:
`pv {{[-cN|--cursor --name]}} in {{big_text_file}} | grep {{pattern}} | pv {{[-cN|--cursor --name]}} out > {{filtered_file}}`
`pv {{[-cN|--cursor --name]}} in {{path/to/file.txt}} | grep {{pattern}} | pv {{[-cN|--cursor --name]}} out > {{path/to/filtered_file.txt}}`
- Attach to an already running process and see its file reading progress:
@@ -26,8 +26,12 @@ source: https://github.com/tldr-pages/tldr.git
- Read an erroneous file, skip errors as `dd conv=sync,noerror` would:
`pv {{[-EE|--skip-errors --skip-errors]}} {{path/to/faulty_media}} > image.img`
`pv {{[-EE|--skip-errors --skip-errors]}} {{path/to/faulty_media}} > {{path/to/image.img}}`
- Stop reading after reading specified amount of data, rate limit to 1K/s:
`pv {{[-L|--rate-limit]}} 1K {{[-S|--stop-at-size]}} {{maximum_file_size_to_be_read}}`
`pv {{[-L|--rate-limit]}} {{1K}} {{[-S|--stop-at-size]}} {{maximum_file_size_to_be_read}}`
- Calculate hash (MD5, SHA1, SHA256, etc) of a large file and show progress:
`pv {{path/to/file}} | {{sha256sum}}`