CmdID

CmdID / Commands

pv

Monitor the progress of data through a pipe. tldr-pages

On several platforms

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Several platforms

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Print the contents of the file and display a progress bar

pv path/to/fileIdentify

Measure the speed and amount of data flow between pipes (--size is optional)

command1 | pv --size expected_amount_of_data_for_eta | command2Identify

Filter a file, see both progress and amount of output data

pv --cursor --name in path/to/file.txt | grep pattern | pv --cursor --name out >path/to/filtered_file.txtIdentify

Attach to an already running process and see its file reading progress

pv --watchfd process_idIdentify

Read an erroneous file, skip errors as dd conv=sync,noerror would

pv --skip-errors --skip-errors path/to/faulty_media >path/to/image.imgIdentify

Stop reading after reading specified amount of data, rate limit to 1K/s

pv --rate-limit 1K --stop-at-size maximum_file_size_to_be_readIdentify

Calculate hash (MD5, SHA1, SHA256, etc.) of a large file and show progress

pv path/to/file | sha256sumIdentify

Only display a timer for how long a command has taken to run

command | pv --timerIdentify