[Chapter 8] 8.23 blib
Author: Ellen Siever, Stephen Spainhour & Nathan Patwardhan
Date: 1999-07-02T01:42:16Z

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| Chapter 8 Standard Modules |

## 8.23 blib

Pragma for testing programs against a package before the package has been installed. Given a directory path, `blib` starts in that directory to look for a `blib` directory structure; if it doesn't find one there, it works its way back up five levels. If no path is specified, it starts looking in the current directory.

`blib` is meant to be used from the command line:

>     perl -Mblib script [args...]
>     perl -Mblib=dir script [args...]

However, you can also call it from a Perl program:

>     use blib;
>     use blib 'dir';

8.22 Benchmark |  | 8.24 Carp