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16.6 Example: Some File Functions
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     No matter where you go, there you are.
     Buckaroo Bonzai

   Two useful functions that are not in `awk' are `chdir()' (so that an
`awk' program can change its directory) and `stat()' (so that an `awk'
program can gather information about a file).  This minor node
implements these functions for `gawk' in an extension.

Internal File Description

What the new functions will do.

Internal File Ops

The code for internal file operations.

Using Internal File Ops

How to use an external extension.