Minimal Perl Quiz

Which program behaves differently

• perl -w -e 'while (<>) { print; }' file file2

• perl -wnl -e '' file file2

• perl -wnl -e 'print;' file file2

• perl -wpl -e '' file file2

Which special variable counts records as they are processed?

• $"

• $!

• $.

• $&

One of the variables is named incorrectly during declaration:

• $happyScalar

• %sadHash

• $quietArray

• @grumpyArray

Which variable represents file handle?

• ARGV

• $ARGV

• @GVAR

• @ARGV

What is the output of the program given arguments: A B C

$,='/';

print @ARGV;

• A B C

• A,B,C

• ABC

• A/B/C

Fiil in the _____ to accesses the input record’s third colon-separated field:

perl –wnlaF':' –e 'print _____;' fileX

• $F[-2]

• $F[2]

• $F[3]

• $F[$.]

Select valid match operator usage examples:

• $data =~ m%perl # PeRl too! %xi

• $F[-1] =~ /^carrot$|garlic|^potato/

• /\Q** $9.99 Sale! **\E/

• $data =~ m%perl # PeRl% too! %gi

When “?” appears after one of the quantifier metacharacters,

it seeks out the ____ possible sequence that allows a match.

• longest

• funniest

• shortest

• greedy

"JAPH" stands for:

• Join All Perl Hackers

• Just Admit Perl Hegemony

• Just Acknowledge Perl Heresy

• Just Another Perl Hacker

The "-s" option enables automatic switch parsing on the command line

• TRUE

• FALSE