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<p><FONT class=normalfont><B><font color=blue>从一个目录中提取文件的问题</font></B></FONT><BR><FONT class=smallfont color=#ff9900>2004-04-23 15:18 pm</FONT><BR><FONT class=normalfont>作者：作者<br>来自：Linux知识宝库<br>联系方式：无名<br><br> 请问在unix下怎样用shell实现从一个目录中，依次读取所有的文件。 再把这些文件压缩<br>
成同一个文件。当文件太多时，可以按每1000个文件压缩成一个文件。<br>
我的原意是这样的：例如有5631个文件，我可以压缩成1.Z, 2.Z, 3.Z, 4.Z, 5.Z， 既是<br>
每一千个文件就压缩成一个Z文件。<br>
因为当我想从这些文件找相应的数据时，我用到过grep 命令， 但grep每次只能查找一千<br>
个文件。所以很不方便，而且我的文件有上万个，所以只好把它们都压缩成几个文件了。<br>
我以前也遇到这个问题,比如rm 上万个文件,可能删不掉,需要分批删<br>
<br>
未经测试，供参考<br>
------------------------------------------------<br>
#!/bin/ksh<br>
COUNT=0<br>
RUN=0<br>
ls > filelist.tmp<br>
while read file<br>
do<br>
echo $file >> 1000file.tmp<br>
COUNT=` expr $COUNT + 1`<br>
if [ `expr $COUNT % 1000` -eq 0 ]<br>
while read single_file<br>
do<br>
mv $single_file ./tardir/<br>
done << 1000file.tmp<br>
RUN=`expr $RUN +1`<br>
tar -cvf /archive.$RUN ./tardir<br>
rm -r ./tardir/*<br>
rm 1000file.tmp<br>
fi<br>
done < filelist.tmp<br>
rm filelist.tmp<br>
------------------------------------------------<br>
<br>
巧妙的处理方法：<br>
<br>
ls > /tmp/filelist<br>
split -l1000 -a3 /tmp/filelist /tmp/splitlist<br>
for i in /tmp/splitlist* ; do<br>
tar cvf - -I $i | compress > $i.tar.Z && rm $i<br>
done<br>
<br>
（Solaris8 下通过测试）<br>
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