Perl Interview Questions

It is a default variable which holds automatically, a list of arguements passed to the subroutine within parentheses. [...]

Both of them are used to declare local variables. The variables declared with 'my' can live only within the block and cannot gets its visibility inherited [...]

Pack Converts a list into a binary representation. Takes an array or list of values and packs it into a binary structure, returning the string containing the [...]

perl -p -ibak -e 's/search_str/replace_str/g' [...]

System calls "traditionally" returns 9 when successful and 1 when it fails. system (cmd) or die "Error in [...]

It is a symbolic link to link one file name to a new name. so lets say we do it like file1-> file2, if we read file1, we end up reading [...]

CHOP 'chop' function only removes the last character completely 'from the scalar, where as 'chomp' function only removes the last character if it is a [...]

Use: 1. the method is used only for modules (only to include .pm type file) 2. the included object are verified at the time of compilation. 3. No Need to give [...]

Answer : There is a 'ref' function .Perl provides the ref() function so that you can check the reference type before dereferencing a referenceThe ref() [...]