Answer Posted / shah faisal

Hash is an unordered pair of keys and values where keys
must be unique else the second duplicate keys replace the
value of first key. Hash is denoted by a "%" sign.
e.g.
"key1"->"value1","key2"->"value2",key1"=>"value3" then
final hash will be %hash=("key2"-
>"value2","key1"=>"value3");

what is Polymorphism in Perl?

931

---

What is the purpose of “_file_ literal” and “_line_ literal” in perl?

889

---

Explain returning values from subroutines?

903

---

How will you create a file in perl?

951

---

Explain perl one-liner?

925

---

There is no strict data types in perl unlike in other high level languages like Java so wouldn't that be a problem if a code in perl is to be a written by a big team of 20+ members ?"

2375

---

How to renaming a file in perl programming?

1001

---

How to read a single line from a file in perl?

939

---

What is the use of -n and -p options?

1007

---

Why is it hard to call this function: sub y { "because" } ?

904

---

List the files in current directory sorted by size ?

944

---

How do I generate a list of all .html files in a directory?

918

---

Explain join function in perl?

908

---

explain the various functions/directives in perl that allow you to include/import a module. Also, state the differences between them.

830

---

What exactly is grooving and shortening of the array?

981

---