iteye_13882的博客

In my previous post, I discussed the range operator in the scalar context, here we are further to discuss on operator tha is quite unique in the Perl programming lanaugae, that is the three dot operat...

Perl unlike its successor, it does not natively has hte REPL (READ, Evaluate, Print, Loop) interface to perl . so it does not suppport something like in Python where you can type something or getting...

it is a very simple task to exercise your understanding of the perl language.  the issue is like this :    $ cat test.txta,1,x,A,B,Cb,2,y,Dc,3,z,E,F  and you want to display t...

 # file:# range_operator.pl# description:# this file is the test file to show how to use the range operator in PERL## conclusion:# the state transition of the .. operator is as suc...

# file:# bare_blocks.pl# description:# this is the file to test semantic of bare blocks## conclusion:# bare blocks is like a loop which execute only once# you can use last;next...

See the code sample below.   sub main { useFH(createFH($p));}sub createFH($) { print "Debug, opening ${_[0]}\n";# it will be an error if you have the file handler as #...