4
任何人都知道这个全局变量是做什么的?在Perl中使用%^ H是什么?
由于特殊字符,我无法找到谷歌的任何信息。
UPDATE
[[email protected] v2]$ perldoc -v '%^H'
Ending switch processing. Args are [%^H] with 0 errors.
/usr/bin/perldoc => Pod::Perldoc v3.14
Formatter class Pod::Perldoc::ToMan successfully loaded!
Will format with the class Pod::Perldoc::ToMan
Searching for %^H
Looking for %^H in /usr/bin /usr/lib64/perl5/site_perl/5.8.8/x86_64-linux-thread-multi /usr/lib64/perl5/site_perl/5.8.7/x86_64-linux-thread-multi /usr/lib64/perl5/site_perl/5.8.6/x86_64-linux-thread-multi /usr/lib64/perl5/site_perl/5.8.5/x86_64-linux-thread-multi /usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl/5.8.7 /usr/lib/perl5/site_perl/5.8.6 /usr/lib/perl5/site_perl/5.8.5 /usr/lib/perl5/site_perl /usr/lib64/perl5/vendor_perl/5.8.8/x86_64-linux-thread-multi /usr/lib64/perl5/vendor_perl/5.8.7/x86_64-linux-thread-multi /usr/lib64/perl5/vendor_perl/5.8.6/x86_64-linux-thread-multi /usr/lib64/perl5/vendor_perl/5.8.5/x86_64-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.8 /usr/lib/perl5/vendor_perl/5.8.7 /usr/lib/perl5/vendor_perl/5.8.6 /usr/lib/perl5/vendor_perl/5.8.5 /usr/lib/perl5/vendor_perl /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/5.8.8 . /usr/kerberos/bin /usr/lib64/ccache /usr/local/bin /bin /usr/bin
No documentation found for "%^H".
你可以用'perldoc'找到答案,这样的问题:'的perldoc -v“%^ H'' – Hugh
一般情况下,像这样简单的问题,Perl文档应该是你的第一追索权,而不是谷歌。 – ysth
@Huw,看到更新,它不起作用。 –