diff --git a/pages/common/pv.md b/pages/common/pv.md index cdf06049e3e653..00a31178efe1fa 100644 --- a/pages/common/pv.md +++ b/pages/common/pv.md @@ -9,11 +9,11 @@ - 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: @@ -21,8 +21,12 @@ - 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}}`