The %RSEL utility selects M routines. %RSEL selects routines using directories specified by the GT.M special variable $ZROUTINES. $ZROUTINES contains an ordered list of directories that certain GT.M functions use to locate source and object files. If $ZROUTINES is not defined, %RSEL searches only the current default directory. Other GT.M utilities call %RSEL.

%RSEL prompts for the name of a routine(s).

%RSEL accepts the wildcard characters asterisk (*) and percent sign (%). The wildcards carry their DCL meanings, with one exception. %GSEL interprets a % sign in the first position of a global name literally.

A colon (:) between two routines specifies a range.

%RSEL creates a read-write variable %ZR, which is a local array of selected routines. After each selection, %RSEL reports the number of routines in %ZR. A minus sign (-) or an apostrophe (') character preceding a routine name removes that routine from the %ZR array. A question mark (?) provides online help, and "?D" displays M routines currently in the array.