Programming Perl, 4th Edition

Perl Functions in Alphabetical Order

Many of the following function names are annotated with, um, annotations. Here are their meanings:

• Uses $_ ($ARG) as a default variable.

• Sets $! ($OS_ERROR) on syscall errors.

• Raises exceptions; uses eval to trap $@ ($EVAL_ERROR).

• Sets $? ($CHILD_ERROR) when child process exits.

• Taints returned data.

• Taints returned data under some system, locale, or handle settings.

• Raises an exception if given an argument of inappropriate type.

• Raises an exception if modifying a read-only target.

• Raises an exception if fed tainted data.

• Raises an exception if unimplemented ...