Node:Other Features, Next:When, Previous:Statements/Lines, Up:Getting Started
awk language provides a number of predefined, or
built-in, variables that your programs can use to get information
awk. There are other variables your program can set
as well to control how
awk processes your data.
awk provides a number of built-in functions for doing
common computational and string-related operations.
gawk provides built-in functions for working with timestamps,
performing bit manipulation, and for runtime string translation.
As we develop our presentation of the
awk language, we introduce
most of the variables and many of the functions. They are defined
systematically in Built-in Variables, and