Appendix A. Perl Built-ins, Pragmas, Modules, and the Debugger
Perl Functions
The following is a complete list of Perl functions and a short description of what they do. Note: The text in parentheses is a reference to the like-named UNIX system call found in Section 2 of the UNIX manual pages. The like-named UNIX library functions are found in Section 3 of the UNIX manual pages.
Table A.1. Perl Functions
Function | Description | |
|---|---|---|
abs | abs VALUE Returns the absolute value of its argument ($_ is the default). Ignores signs. | |
accept | accept(NEWSOCKET, GENERICSOCKET) Accepts a socket connection from clients waiting for a connection. GENERICSOCKET, a filehandle, has been previously opened by the socket function, is bound to an address, and is listening for a connection. ... | |
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