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<p><FONT class=normalfont><B><font color=blue>很方便的两个shell script</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>最近我把系统重作了一下，于是成了 WIN98 和 linux 共存的系统， 但工作久了，发现很不方便（在 WIN98 下的文件名都是大写，而 linux 下的文件名一般都是小写字符）。在使用 mcopy 的时候，拷过来的文件名都是大写的，很不方便 linux 操作！<br>
   于是就写了两个shell脚本，这几天我用它们方便了许多操作，现在拿出来给双系统的朋友分享（我知道，像我这样用双系统的人很多哟！ ;-) ），应该有人能用上它。 脚本很简单，不过在发此贴之前把它们包装了一下（这样看起来就像个系统命令了，呵呵）。不足的是，只能改当前的目录中的文件名（就是说，只可以：% upks2lowks * 或 % upks2lowks myfile, 而不能 % upks2lowks /mydir/myfile），其实后者也可以，不过会有错信息输出！<br>
<br>
脚本内容如下：<br>
<br>
#!/bin/sh<br>
<br>
# This Shell Script can change UPPER-CASE FILENAME to low-case filename.<br>
<br>
error=0;count=0<br>
number=$(echo * | /usr/bin/wc -w)<br>
<br>
if [ "$1" = "-h" -o "$1" = "--help" ]; then<br>
 echo "Usage: upks2lowks [PATH] [FILENAME]..."<br>
 echo "Description: Change "FILENAME" to "filename"!"<br>
 echo ""<br>
 echo "  -h, --help               display this info and exit"<br>
 echo "  -v, --version            display version info and exit"<br>
 echo ""<br>
 echo "Report bugs to &lt;[e-mail]&gt;."<br>
 echo "PS: I think U can modify it by nothing! It's just a shell script! ;-)"<br>
 exit<br>
fi<br>
<br>
if [ "$1" = "-v" -o "$1" = "--version" ];then<br>
 echo "A tool form my file-utils, no version info!"<br>
 echo "(maybe ver0.0.0)?! (^o^)"<br>
 echo "Written by Juner.L"<br>
 echo ""<br>
 echo "Copyright (C) Juner"<br>
 echo "This is free software; see the source for copying conditions.  There is NO"<br>
 echo "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."<br>
exit<br>
fi<br>
<br>
if [ -z "$1" ]; then<br>
 /usr/bin/printf "a"<br>
 echo "Just put the "FILENAME" follow the command!"<br>
else<br>
 for i in $*<br>
 do<br>
   if [ -e "$i" -a -w "$i" ]; then<br>
     file=$(echo $i | /usr/bin/tr "[A-Z]" "[a-z]")<br>
     if [ "$i" = "$file" ]; then<br>
       echo "The file "$i" is already lowcased!"<br>
       count=$(/usr/bin/expr 1 + $count)<br>
     else<br>
       echo "$i =&gt; $file"<br>
       /bin/mv -f $i $file 2&gt; /dev/null<br>
     fi<br>
   else<br>
   echo "warning: file "$i" not exist OR you have no "w" right to file!"<br>
   fi<br>
 done<br>
 if [ "$number" -eq "$count" ]; then<br>
   echo "    all file(s) is lowcased!"<br>
 else<br>
   echo "    $count file(s) already lowcased!"<br>
 fi<br>
fi<br>
<br>
   还有一个和它差不多，只改了几个小地方，是把小写的文件名改成大写的，如下：<br>
<br>
#!/bin/sh<br>
<br>
# This Shell Script can change low-case filename to UPPER-CASE filename.<br>
<br>
error=0;count=0<br>
number=$(echo * | /usr/bin/wc -w)<br>
<br>
if [ "$1" = "-h" -o "$1" = "--help" ]; then<br>
 echo "Usage: lowks2upks [path] [filename]..."<br>
 echo "Description: Change "filename" to "FILENAME"!"<br>
 echo ""<br>
 echo "  -h, --help               display this info and exit"<br>
 echo "  -v, --version            display version info and exit"<br>
 echo ""<br>
 echo "Report bugs to &lt;[e-mail]&gt;."<br>
 echo "PS: I think U can modify it by nothing! It's just a shell script! ;-)"<br>
 exit<br>
fi<br>
<br>
if [ "$1" = "-v" -o "$1" = "--version" ];then<br>
 echo "A tool form my file-utils, no version info!"<br>
 echo "(maybe ver0.0.0)?! (^o^)"<br>
 echo "Written by Juner.L"<br>
 echo ""<br>
 echo "Copyright (C) Juner"<br>
 echo "This is free software; see the source for copying conditions.  There is NO"<br>
 echo "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."<br>
exit<br>
fi<br>
<br>
if [ -z "$1" ]; then<br>
 /usr/bin/printf "a"<br>
 echo "Just put the "filename" follow the command!"<br>
else<br>
 for i in $*<br>
 do<br>
   if [ -e "$i" -a -w "$i" ]; then<br>
     file=$(echo $i | /usr/bin/tr "[a-z]" "[A-Z]")<br>
     if [ "$i" = "$file" ]; then<br>
       echo "THE FILE "$i" IS ALREADY UPPERCASED!"<br>
       count=$(/usr/bin/expr 1 + $count)<br>
     else<br>
       echo "$i =&gt; $file"<br>
       /bin/mv -f $i $file 2&gt; /dev/null<br>
     fi<br>
   else<br>
   echo "WARING: FILE "$i" NOT EXIST or YOU HAVE NO "w" RIGHT TO FILE!"<br>
   fi<br>
 done<br>
 if [ "$number" -eq "$count" ]; then<br>
   echo "    ALL FILE(S) IS UPPERCASED!"<br>
 else<br>
   echo "    $count FILE(S) ALREADY UPPERCASED!"<br>
 fi<br>
fi<br>
<br>
   完了！<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
 经过进一步了解 gawk ，我已经把上面两个脚本优化了，改过后的脚本可以在任意目录下改任意目录（你有写权限的目录/文件）下的文件名，<br>
也就是说，可以在任意目录下<br>
% upks2lowks /home/juner/tmp/*<br>
而不必<br>
% cd /home/juner/tmp/<br>
% upks2lowks *<br>
<br>
   改后的 shell script 如下：<br>
  （如果命令路径和你机器上的不一样，改成一样的就行了）<br>
<br>
--------------------------------------<br>
#!/bin/sh<br>
<br>
# This Shell Script can change UPPER-CASE filename to low-case filename.<br>
<br>
# init the vars!<br>
<br>
error=0;count=0<br>
number=$(echo $* | /usr/bin/wc -w)<br>
<br>
# end of the "init the vars"!<br>
<br>