q/ string /

q/
string
/
qq/
string
/
qx/
string
/
qw/
strings
/

Generalized forms of quoting. q// is equivalent to using single quotes (literal, no variable interpolation). qq// is equivalent to double quotes (literal, interpolated). qx// is equivalent to using backticks for commands (interpolated). And qw// is equivalent to splitting a single-quoted string on whitespace.