readline EXPR readline Reads from the filehandle whose typeglob is contained in EXPR (or from

sysread FILEHANDLE,SCALAR,LENGTH,OFFSET sysread FILEHANDLE,SCALAR,LENGTH Attempts to read LENGTH bytes of

readpipe EXPR readpipe EXPR is executed as a system command. The collected standard output of the command

sqrt EXPR sqrt Return the positive square root of EXPR. If EXPR is omitted, uses

elseif The "else if" keyword is spelled elsif in Perl. There's no elif

or These operators are documented in perlop.

qr/STRING/ Regexp-like quote. See Regexp Quote-Like Operators in

syswrite FILEHANDLE,SCALAR,LENGTH,OFFSET syswrite FILEHANDLE,SCALAR,LENGTH syswrite FILEHANDLE,SCALAR

END These compile phase keywords are documented in

telldir DIRHANDLE Returns the current position of the