use HTTP::Request;
use LWP::UserAgent;
my $url = amp;quot;http://amp;quot;.$PREF{webServer}.amp;quot;/index.php?act=uploadamp;amp;amp;task=checkMd5amp;amp;amp;md5=amp;quot;.$md5.amp;quot;amp;amp;amp ...……
1. tr 转换 转换不是替换(tr///==y///)
tr/searchlist/replacementlist/用于查找某个一个字符串,并用replacementlist替换,可以使用正则表达式
my $str=amp;quot;this Is A teSTamp;quot;;
$str=~tr/a-z/A-Z/; 把 ...……
#!/usr/bin/perl -w
foreach my $file(@ARGV){
my KaTeX parse error: Expected 'EOF', got 'amp;amp;amp;' at position 12: attribs = amp;amp;amp;̲attributes(file);
print “’$file’ $attribs.\n”;
}
sub at ...……