软件包：pv（1.8.5-2）

Shell pipeline element to meter data passing through

pv (Pipe Viewer) can be inserted into any normal pipeline between two processes to give a visual indication of how quickly data is passing through, how long it has taken, how near to completion it is, and an estimate of how long it will be until completion.

To use it, insert it in a pipeline between two processes, with the appropriate options. Its standard input will be passed through to its standard output and progress will be shown on standard error.

标签: 实做语言: C, 用户接口: 命令行, 角色: role::program, scope::utility, Purpose: 监看

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