
AWK Programmable Text Manipulation Commands
Arithmatic Functions:
Command 
Description 
cos(x) 
Return cosine of x, where x is in radians. 
sin(x) 
Return sine of x, where x is in radians. 
exp(x) 
Return the exponential function of x. 
log(x) 
Return the natural logarithm of x. 
sqrt(x) 
Return the square root of x. 
int(x) 
Truncate its argument to an integer. It will
be truncated toward 0 when x > 0. 
String Functions:
Command 
Description 
index(s, t) 
Return the position in string s where string
t first occurs, or 0 if it does not occur at all. 
int(s) 
truncates s to an integer value. If s is not
specified, $0 is used. 
length(s) 
Return the length of its argument taken as a
string, or of the whole line if there is no argument. 
match(s, re) 
Return the position in string s where the regular
expression re occurs, or 0 if it does not occur at all. 
split(s, a, fs) 
Split the string s into array elements a[1],
a[2], ... a[n], and returns n. The separation is done with the regular
expression fs or with the field separator FS if fs is not given. 
sprintf(fmt, expr,
expr,...) 
Format the expressions according to the printf(3S)
format given by fmt and returns the resulting string. 
substr(s, m, n) 
returns the ncharacter substring of s that begins
at position m. 
Input/Output Functions:
Command 
Description 
getline 
Set $0 to the next input record from the current
input file. getline returns 1 for successful input, 0 for end of file,
and 1 for an error. 







Protect yourself from cyberstalkers, identity thieves, and those who would snoop on you.

Stop spam from invading your inbox without losing the mail you want. We give you more control over your email than any other service.

Block popups, ads, and malicious scripts while you surf the net through our anonymous proxies.

Participate in Usenet, host your web files, easily send anonymous messages, and more, much more.

All private, all encrypted, all secure, all in an easy to use service, and all for only $5.95 a month!


Service Details



