Progress
Language Reference
LIBRARY Function
Parses a character string in the form path-name
<<
member-name>>
, where path-name is the pathname of a Progress r-code library and member-name is the name of a file within the library, and returns the pathname of the library. The double angle brackets indicate that member-name is a file in a library. If the string is not in this form, the LIBRARY function returns an unknown value (?).Typically, you use the LIBRARY function with the SEARCH function to retrieve the name of a library. The SEARCH function returns character strings of the form path-name
<<
member-name>>
if it finds a file in a library.SYNTAX
string
A character expression whose value is the pathname of a file in a library.
EXAMPLEThis procedure searches for a file that you specify. It displays a message indicating whether the file is not found in your path, is found in a library within your path, or is found in your path but not in a library.
NOTE
You can improve the performance of an application by using the SEARCH and LIBRARY functions to build absolute or relative pathnames for the files you want to execute several times with the RUN statement. Passing full or relative pathnames to the RUN statement avoids the need to search the PROPATH each time.
SEE ALSO
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