Index R

[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Z]

rad2deg() function  
random element, extracting from files  
random element, picking from files  
random numbers
       generating   2nd   3rd  
       generating biased   2nd  
       generating different   2nd   3rd  
random-access files, updating   2nd   3rd   4th  
randomizing
       lines in files   2nd   3rd  
randomizing arrays   2nd  
readdir() function   2nd  
readfile() function   2nd   3rd   4th  
reading
       configuration files   2nd   3rd  
       files   2nd  
       files backward by line  
       fixed-length records   2nd   3rd   4th  
       from standard streams   2nd   3rd  
       lines with continuation characters   2nd  
       particular lines in files   2nd   3rd  
       string to first occurrence of character  
       to sockets   2nd   3rd   4th  
       vectors   2nd  
reading fixed-length records  
reading records separated by strings   2nd  
readv() function   2nd  
recognizing two names for same file in directories   2nd  
rectangles, drawing   2nd  
recvfrom() function   2nd  
references, iterating over arrays by   2nd  
register list destructors() function  
register shutdown function() function   2nd  
regular expressions
       character classes   2nd  
       configuration files and   2nd   3rd  
       copying and substituting at same time   2nd  
       detecting duplicate words   2nd  
       extracting information from [lt]meta[gt] tags   2nd  
       extracting range of lines   2nd   3rd  
       finding nth occurrence of match   2nd  
       matching abbreviations   2nd  
       matching escape sequences  
       matching letters   2nd   3rd  
       matching over multiple lines   2nd   3rd  
       matching strings   2nd  
       matching using ?   2nd  
       more than one occurrence of character   2nd  
       overview of   2nd  
       Perl-compatible, using   2nd   3rd   4th   5th   6th  
       pipe delimiter ()   2nd  
       reading records separated by strings   2nd  
       testing for validity   2nd  
       UNIX and   2nd  
       validating email address   2nd  
       validating Web data   2nd  
       writing   2nd  
removing
       directories   2nd   3rd  
       HTML tags   2nd  
       last lines from files   2nd  
       session variables   2nd  
reporting bugs  
resizing
        copied images  
resource identifiers
       creating   2nd  
       fetching   2nd  
resource identifiers, creating  
retaining variable •s value between function calls   2nd  
return statement   2nd  
RETURN STRING() macro  
return value structure   2nd  
returning
       different objects from constructors   2nd  
       doubles  
       error objects on failure   2nd  
       longs  
       more than one value from functions   2nd  
       strings  
       values from functions   2nd  
reverse testing   2nd  
reversing
       words or characters in strings   2nd  
reversing arrays   2nd  
Roman numerals, working with   2nd  
root  
rounding
       arbitrary precision numbers   2nd   3rd  
rtrim () function   2nd