Which file test can be done to see if a file has the sticky bit set on it?

Consider the following program code @array= (“Y”,”W”,”X”); @array=sort(@array); unshift(@array , ”Z”); print($array[0]); What is the output of this code

Suppose the variable $var has the value abc123abc . What is the value of $var after the following substitution?

Your script has just read in a variable from the keyboard and you want to strip that variable of the newline character that came in. What operator should you use to perform this operation?

Which file test can be done to see if a file is a symbolic link?

Which Perl function can be used to launch a child process to run a program?

Which file test can be done to see if a file exists and has a nonzero size?

Within Perl, which operator is used to change the working directory?

What is the value of @list at the end of the following program? #!/usr/local/bin/perl @list=(1,2.3); &testsub(*list); Sub testsub{ Local (*sublist)=@_; $sublist[1] = 5; }

Consider the following program code: @array = (10, Masami, 10..13, Niklas); for ($i = 1; $i < $#array; $i++) { print($array[$i] ); } What is the result of executing this program code?

Consider the following program code: $x = 10; LOOP: while ($x < 15) { print ($x ); if ($x >= 14 && $x <= 20) { $x += 2; redo LOOP; } else { $x++; }} What is the result of executing this program code?

Consider the following program code: $y = 1; $x = 2; $z = 3; do { print ($y ); } while ($y eq 2); do { print ($x ); } until ($x eq 2); print ($z ); What is the result of executing this program code?

Which line of code represents the correct syntax to establish a reference to a database handle?

What do the variable $? contains?

What do the variable $! contains?