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📁 一份很好的linux入门资料
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<HTML><HEAD>  <TITLE>BBS水木清华站∶精华区</TITLE></HEAD><BODY><CENTER><H1>BBS水木清华站∶精华区</H1></CENTER>发信人:&nbsp;reden&nbsp;(鱼&nbsp;～&nbsp;君子律己以利人),&nbsp;信区:&nbsp;Linux&nbsp;<BR>标&nbsp;&nbsp;题:&nbsp;Un-tar&nbsp;as&nbsp;you&nbsp;download&nbsp;<BR>发信站:&nbsp;BBS&nbsp;水木清华站&nbsp;(Mon&nbsp;Oct&nbsp;&nbsp;5&nbsp;00:04:15&nbsp;1998)&nbsp;WWW-POST&nbsp;<BR>&nbsp;<BR>Un-tar&nbsp;as&nbsp;you&nbsp;download&nbsp;
&nbsp;<BR>
&nbsp;<BR>Date:&nbsp;Wed,&nbsp;19&nbsp;Aug&nbsp;1998&nbsp;13:08:52&nbsp;-0500
&nbsp;<BR>From:&nbsp;<A HREF="mailto:scgmille@indiana.edu">scgmille@indiana.edu</A>&nbsp;
&nbsp;<BR>
&nbsp;<BR>It's&nbsp;time&nbsp;for&nbsp;fun&nbsp;with&nbsp;pipes.&nbsp;Recently,&nbsp;when&nbsp;downloading&nbsp;the&nbsp;latest&nbsp;kernel&nbsp;&nbsp;<BR>over&nbsp;a&nbsp;ridiculously&nbsp;slow&nbsp;connection,&nbsp;I&nbsp;wanted&nbsp;to&nbsp;see
&nbsp;<BR>where&nbsp;the&nbsp;download&nbsp;was&nbsp;by&nbsp;checking&nbsp;which&nbsp;file&nbsp;in&nbsp;the&nbsp;tarball&nbsp;was&nbsp;being&nbsp;&nbsp;<BR>received.&nbsp;After&nbsp;pondering&nbsp;the&nbsp;pipes&nbsp;and&nbsp;GNU&nbsp;utils,&nbsp;this
&nbsp;<BR>thought&nbsp;came&nbsp;to&nbsp;mind.&nbsp;
&nbsp;<BR>
&nbsp;<BR>You&nbsp;can&nbsp;decompress&nbsp;and&nbsp;un-tar&nbsp;your&nbsp;files&nbsp;as&nbsp;they&nbsp;download,&nbsp;sort&nbsp;of&nbsp;a&nbsp;&nbsp;<BR>&quot;streaming&nbsp;decompressor&quot;,&nbsp;if&nbsp;you&nbsp;will.&nbsp;From&nbsp;the&nbsp;command
&nbsp;<BR>line:&nbsp;
&nbsp;<BR>
&nbsp;<BR>&nbsp;
&nbsp;<BR>tail&nbsp;-f&nbsp;--bytes=1m&nbsp;file-being-downloaded.tar.gz&nbsp;|&nbsp;tar&nbsp;-zxv
&nbsp;<BR>
&nbsp;<BR>Tail&nbsp;will&nbsp;display&nbsp;downloaded&nbsp;portion&nbsp;of&nbsp;the&nbsp;file,&nbsp;then&nbsp;remain&nbsp;open&nbsp;displaying&nbsp;&nbsp;<BR>bytes&nbsp;as&nbsp;they&nbsp;come.&nbsp;Make&nbsp;sure&nbsp;the&nbsp;1m&nbsp;(1&nbsp;megabyte&nbsp;in
&nbsp;<BR>this&nbsp;case)&nbsp;is&nbsp;LARGER&nbsp;than&nbsp;what&nbsp;you&nbsp;have&nbsp;already&nbsp;downloaded.&nbsp;The&nbsp;piped&nbsp;output&nbsp;&nbsp;<BR>of&nbsp;tail&nbsp;goes&nbsp;to&nbsp;tar&nbsp;and&nbsp;the&nbsp;rest&nbsp;is&nbsp;history.
&nbsp;<BR>Similarly,&nbsp;for&nbsp;bz2&nbsp;files:&nbsp;
&nbsp;<BR>
&nbsp;<BR>&nbsp;
&nbsp;<BR>tail&nbsp;-f&nbsp;--bytes=1m&nbsp;file.tar.bz2&nbsp;|&nbsp;bunzip2&nbsp;-&nbsp;|&nbsp;tar&nbsp;-xv
&nbsp;<BR>
&nbsp;<BR>Enjoy!&nbsp;&nbsp;<BR>--&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;白马带著她一步步的回到中原。白马已经老了，只能慢慢的走，&nbsp;<BR>但终是能回到中原的。江南有杨柳、桃花，有燕子、金鱼……&nbsp;<BR>汉人中有的是英俊勇武的少年，倜傥潇洒的少年……但这个美&nbsp;<BR>丽的姑娘就像古高昌国人那样固执:&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;「那都是很好很好的，可是我偏不喜欢。」&nbsp;&nbsp;<BR>&nbsp;<BR>※&nbsp;来源:·BBS&nbsp;水木清华站&nbsp;bbs.net.tsinghua.edu.cn·[FROM:&nbsp;202.99.18.67]&nbsp;&nbsp;<BR><CENTER><H1>BBS水木清华站∶精华区</H1></CENTER></BODY></HTML>
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