Can someone please explain what tr#A-Za-z0-9+/# -_#; means in perl? Post: 302466963

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sccshelp

sccshelp(1)						      General Commands Manual						       sccshelp(1)

NAME

       sccshelp - ask for help on SCCS commands

SYNOPSIS

       [arg]...

DESCRIPTION

       The  command  finds  information to explain a message from an SCCS command or to explain the use of a SCCS command.  Zero or more arguments
       can be supplied.  If no arguments are given, prompts for one:

       The arguments can be either message numbers (which normally appear in parentheses following messages) or command names, of one of the  fol-
       lowing types:

	      Type 1	Begins	with  nonnumerics,  ends  in numerics.	The nonnumeric prefix is usually an abbreviation for the program or set of
			routines which produced the message (e.g., for message 6 from the command).

	      Type 2	Does not contain numerics (as a command, such as

	      Type 3	Is all numeric (e.g.,

       The response of the program is the explanatory information related to the argument, if there is any.

       You can use to support other commands by means of the file.  To do this, create help files in the appropriate format and add  the  location
       of the helpfiles to

EXTERNAL INFLUENCES

   Environment Variables
       determines the interpretation of text as single- and/or multibyte characters.

       determines the language in which messages are displayed.

       If  is  not  specified  or  is  null, it defaults to the value of If is not specified or is null, it defaults to "C" (see lang(5)).  If any
       internationalization variable contains an invalid setting, all internationalization variables default to "C".  See environ(5).

   International Code Set Support
       Single- and multibyte character code sets are supported.

DIAGNOSTICS

	      When all else fails, try

EXAMPLES

       If you enter the SCCS command without parameters, you would get the message:

       If you request help for the command:

       it displays:

       If you request help for the error number:

       it displays:

WARNINGS

       Only SCCS commands currently use

FILES

       Directory containing files of message text

       List of commands supported by sccshelp

       File containing the locations of help files that are not in the
	      directory

																       sccshelp(1)