help with Scripting - trying to search for string and extract next few characters

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dirname

basename(1)						      General Commands Manual						       basename(1)

NAME

       basename, dirname - extract portions of path names

SYNOPSIS

       string [suffix]

       [string]

DESCRIPTION

       deletes	any  prefix  ending in and the suffix (if present in string) from string, and prints the result on the standard output.  If string
       consists entirely of slash characters, string is set to a single slash character.  If there are any trailing slash  characters  in  string,
       they  are removed.  If the suffix operand is present but not identical to the characters remaining in string, but it is identical to a suf-
       fix of the characters remaining in string, the suffix is removed from string.  is normally used inside command  substitution  marks  within
       shell procedures.

       delivers  all but the last level of the path name in string.  If string does not contain a directory component, returns indicating the cur-
       rent working directory.

EXTERNAL INFLUENCES

   Environment Variables
       determines the interpretation of string and, in the case of basename, suffix as single and/or multi-byte characters.

       If is not specified in the environment or is set to the empty string, the value of is used as a default for each unspecified or empty vari-
       able.   If  is  not  specified or is set to the empty string, a default of "C" (see lang(5)) is used instead of If any internationalization
       variable contains an invalid setting, and behave as if all internationalization variables are set to "C".  See environ(5).

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

EXAMPLES

       The following shell script, invoked with the argument compiles the named file and moves the output to a file named in  the  current  direc-
       tory:

       The following example sets the shell variable to

RETURN VALUE

       and return one of the following values:

	      Successful completion.
	      Incorrect number of command-line arguments.

SEE ALSO

       expr(1), sh(1).

STANDARDS CONFORMANCE

																       basename(1)

Shell Programming and Scripting