goelweb.com --> Software --> awk --> awk Built-in Functions

awk Built-in Functions

cos(expr)

cosine of expr

exp(expr)

exponential of expr: e^expr

getline()

reads next input line; returns 0 if end of file, 1 if not

index(s1,s2)

position of string s2 in s1; returns 0 if not present

int(expr)

integer part of expr; truncates toward 0

length(s)

length of string s

log(expr)

natural logarithm of expr

sin(expr)

sine of expr

split(s,a,c)

split s into a[1]...a[n] on character c; return n

sprintf(fmt,...)

format ... according to specification fmt

substr(s,m,n)

n-character substring of s beginning at position m