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Pv - История изменений
2026-05-05T01:00:40Z
История изменений этой страницы в вики
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https://noname.com.ua/mediawiki/index.php?title=Pv&diff=5744&oldid=prev
Sirmax в 13:46, 28 сентября 2012
2012-09-28T13:46:19Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Версия 13:46, 28 сентября 2012</td>
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Sirmax
https://noname.com.ua/mediawiki/index.php?title=Pv&diff=3702&oldid=prev
Sirmax: /* Полезная утилита pv= */
2011-07-21T10:33:33Z
<p><span dir="auto"><span class="autocomment">Полезная утилита pv=</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Версия 10:33, 21 июля 2011</td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>=Полезная утилита pv<del style="font-weight: bold; text-decoration: none;">=</del>=</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>=Полезная утилита pv=</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Утилита для оценки данных пропущенных через пайп</div></td>
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Sirmax
https://noname.com.ua/mediawiki/index.php?title=Pv&diff=3701&oldid=prev
Sirmax: Защищена страница «Pv» [edit=autoconfirmed:move=autoconfirmed]
2011-07-21T10:33:27Z
<p>Защищена страница «<a href="/mediawiki/index.php/Pv" title="Pv">Pv</a>» [edit=autoconfirmed:move=autoconfirmed]</p>
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<td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">Версия 10:33, 21 июля 2011</td>
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Sirmax
https://noname.com.ua/mediawiki/index.php?title=Pv&diff=3700&oldid=prev
Sirmax: /* Полезная утилита pv= */
2011-07-21T10:33:20Z
<p><span dir="auto"><span class="autocomment">Полезная утилита pv=</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Версия 10:33, 21 июля 2011</td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><PRE></div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>pv gentoo.img.gz | gunzip > gentoo.img</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>5.26GB 0:12:36 [4.68MB/s] [<del style="font-weight: bold; text-decoration: none;">==========================================</del>=====================================================================> ] 99% ETA 0:00:00</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>5.26GB 0:12:36 [4.68MB/s] [=====================================================================> ] 99% ETA 0:00:00</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></PRE></div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></PRE></div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Может показаться, что pv это такая замена для cat, но на самом деле ее возможности намного шире. Например, упаковываем весь каталог в сжатый архив</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><PRE></div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>%tar -czf - . | pv > out.tgz</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>21.9MB 0:00:15 [1.47MB/s] [...<=>.....................]</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div></PRE></div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Уже неплохо, но хочеться большего, чтобы показывалось время окончания работы. Для этого всего лишь надо при помощи ключа -s передать pv размер каталога в байтах</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><PRE></div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>%tar -czf - . | pv -s $(du -sb | grep -o '[0-9]*') > out.tgz</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>44.3MB 0:00:27 [1.73MB/s] [>..........................] 0% ETA 13:36:22</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div></PRE></div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Можно так же составлять команды из несколько копий pv.</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><PRE></div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>%tar -cf - . | pv -cN tar -s $(du -sb | grep -o '[0-9]*') | gzip | pv -cN gzip > out.tgz</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>tar: 97.1MB 0:00:08 [12.3MB/s] [>......................] 0% ETA 1:50:26</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>gzip: 13.1MB 0:00:08 [1.6MB/s] [....<=>................]</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div></PRE></div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Ключ -c нужен, чтобы несколько копий pv не выводили информацию друг поверх друга. Ключ -N дает имя шкале.</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Ну и под конец забавный пример с одного англоязычного блога о Линуксе</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><PRE></div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>%pv /dev/urandom > /dev/null</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>18MB 0:00:05 [ 3,6MB/s] [...<=>............................]</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Взято на Хабре, но ссылку на оригинальный пост я посеял. Очень надеюсь что не обидел автора.</div></td>
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Sirmax
https://noname.com.ua/mediawiki/index.php?title=Pv&diff=3699&oldid=prev
Sirmax: Новая: =Полезная утилита pv== Утилита для оценки данных пропущенных через пайп Примеры: <BR> Распаковка архива: ...
2011-07-21T10:30:03Z
<p>Новая: =Полезная утилита pv== Утилита для оценки данных пропущенных через пайп Примеры: <BR> Распаковка архива: ...</p>
<p><b>Новая страница</b></p><div>=Полезная утилита pv==<br />
<br />
Утилита для оценки данных пропущенных через пайп<br />
Примеры: <BR><br />
Распаковка архива:<br />
<PRE><br />
pv gentoo.img.gz | gunzip > gentoo.img<br />
5.26GB 0:12:36 [4.68MB/s] [===============================================================================================================> ] 99% ETA 0:00:00<br />
</PRE></div>
Sirmax