Macro XEDIT (from Fraktal SAS Programming)

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What it does

This SAS Macro opens a Program Editor Window in the SAS Display Manager and loads the file specified by parameters xpath and xentry.

  • When xpath is not supplied, the macro XSET is called to get the user's home directory and then uses this path.
  • When xentry is not given, the macro calls XDIR to list the directory content in the LOG screen.

Annotated Code

Code executed Function performed

%MACRO xedit(xentry,xpath);

 Start macro definition with name and positional parameters xentry and xpath.

%LOCAL xpath;

 Declare scope for xpath to be local.

%IF %LENGTH(&XPATH.) = 0 %THEN %DO;

 Start branch for condition "xpath not specified".

%XSET(homeshare);

 Call macro XSET to obtain user's home directory.

%LET xpath = &HOMESHARE.;

 Populate xpath with content from homeshare.

%END;

 End branch for condition "xpath not specified".

filename path "&XPATH";

 Create file reference using xpath.

%IF %LENGTH(&XENTRY.) != 0 %THEN %DO;

 Start branch for condition "xentry is not empty".

DM "PGM";

 Open Program Editor window in SAS display manager.

DM "inc path(&XENTRY.)";

 Load text file specified by xentry from directory specified by xpath.

%END;

 End branch for condition "xentry is not empty".

%ELSE %DO;

 Start branch for condition "xentry is empty".

%XDIR(&HOMESHARE.);

 Call macro XDIR to show content in user's home directory.

%END;

 End branch for condition "xentry is empty".

filename path clear;

 Clear fileref pointing to xpath.

%MEND xedit;

 Finalize macro definition with name.

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