os: pv 命令 - 显示数据处理的进度条
一、pv 命令
1、pv 命令功能：显示数据处理的进度条
2、pv 命令安装：
sudo apt install -y pv
dnf install -y pv
3、pv 命令说明：
[wit@on tmp]$ pv --help
Usage: pv [OPTION] [FILE]...
Concatenate FILE(s), or standard input, to standard output,
with monitoring.
-p, --progress show progress bar
-t, --timer show elapsed time
-e, --eta show estimated time of arrival (completion)
-I, --fineta show absolute estimated time of arrival
(completion)
-r, --rate show data transfer rate counter
-a, --average-rate show data transfer average rate counter
-b, --bytes show number of bytes transferred
-T, --buffer-percent show percentage of transfer buffer in use
-A, --last-written NUM show NUM bytes last written
-F, --format FORMAT set output format to FORMAT
-n, --numeric output percentages, not visual information
-q, --quiet do not output any transfer information at all
-W, --wait display nothing until first byte transferred
-D, --delay-start SEC display nothing until SEC seconds have passed
-s, --size SIZE set estimated data size to SIZE bytes
-l, --line-mode count lines instead of bytes
-0, --null lines are null-terminated
-i, --interval SEC update every SEC seconds
-w, --width WIDTH assume terminal is WIDTH characters wide
-H, --height HEIGHT assume terminal is HEIGHT rows high
-N, --name NAME prefix visual information with NAME
-f, --force output even if standard error is not a terminal
-c, --cursor use cursor positioning escape sequences
-L, --rate-limit RATE limit transfer to RATE bytes per second
-B, --buffer-size BYTES use a buffer size of BYTES
-C, --no-splice never use splice(), always use read/write
-E, --skip-errors skip read errors in input
-S, --stop-at-size stop after --size bytes have been transferred
-R, --remote PID update settings of process PID
-P, --pidfile FILE save process ID in FILE
-d, --watchfd PID[:FD] watch file FD opened by process PID
-h, --help show this help and exit
-V, --version show version information and exit
Please report any bugs to <[email protected]>.
二、pv 命令示例
1、pv 命令：https://linux265.com/course/linux-command-pv.html
标签：pv,show,--,进度条,bytes,output,os,size From： https://www.cnblogs.com/lnlidawei/p/17547472.html