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Linux 2.6 - man page for type (linux section 1posix)

TYPE(P) 			    POSIX Programmer's Manual				  TYPE(P)

NAME
       type - write a description of command type

SYNOPSIS
       type name...

DESCRIPTION
       The  type  utility shall indicate how each argument would be interpreted if used as a com-
       mand name.

OPTIONS
       None.

OPERANDS
       The following operand shall be supported:

       name   A name to be interpreted.

STDIN
       Not used.

INPUT FILES
       None.

ENVIRONMENT VARIABLES
       The following environment variables shall affect the execution of type:

       LANG   Provide a default value for the internationalization variables that  are	unset  or
	      null. (See the Base Definitions volume of IEEE Std 1003.1-2001, Section 8.2, Inter-
	      nationalization Variables for the precedence of internationalization variables used
	      to determine the values of locale categories.)

       LC_ALL If  set  to a non-empty string value, override the values of all the other interna-
	      tionalization variables.

       LC_CTYPE
	      Determine the locale for the interpretation of sequences of bytes of text  data  as
	      characters  (for	example, single-byte as opposed to multi-byte characters in argu-
	      ments).

       LC_MESSAGES
	      Determine the locale that should be used to affect the format and contents of diag-
	      nostic messages written to standard error.

       NLSPATH
	      Determine the location of message catalogs for the processing of LC_MESSAGES .

       PATH   Determine  the  location	of  name,  as described in the Base Definitions volume of
	      IEEE Std 1003.1-2001, Chapter 8, Environment Variables.

ASYNCHRONOUS EVENTS
       Default.

STDOUT
       The standard output of type contains information about each operand in an unspecified for-
       mat.  The information provided typically identifies the operand as a shell built-in, func-
       tion, alias, or keyword, and where applicable, may display the operand's pathname.

STDERR
       The standard error shall be used only for diagnostic messages.

OUTPUT FILES
       None.

EXTENDED DESCRIPTION
       None.

EXIT STATUS
       The following exit values shall be returned:

	0     Successful completion.

       >0     An error occurred.

CONSEQUENCES OF ERRORS
       Default.

       The following sections are informative.

APPLICATION USAGE
       Since type must be aware of the contents of the current shell execution environment  (such
       as  the	lists of commands, functions, and built-ins processed by hash), it is always pro-
       vided as a shell regular built-in. If it is called in a separate utility  execution  envi-
       ronment, such as one of the following:

	      nohup type writer
	      find . -type f | xargs type
       it might not produce accurate results.

EXAMPLES
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       command , hash

COPYRIGHT
       Portions  of  this  text  are  reprinted  and  reproduced in electronic form from IEEE Std
       1003.1, 2003 Edition, Standard for Information Technology  --  Portable	Operating  System
       Interface  (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by
       the Institute of Electrical and Electronics Engineers, Inc and  The  Open  Group.  In  the
       event  of  any  discrepancy  between this version and the original IEEE and The Open Group
       Standard, the original IEEE and The Open Group Standard is the referee document. The orig-
       inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group			       2003					  TYPE(P)


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