Information (LUX)

11.11 Info

These routines provide information about variables, functions, subroutines, and sundry things.

classname: Returns the name corresponding to a data class code.
d: Returns information about an expression.
defined: To ascertain if a particular variable has a defined value.
dimen: Returns a dimension of an array.
dump: Returns information about an expression.
dump_lun: Returns information about all used logical units.
dump_stack: Displays the current contents of the variables stack.
eventname: Returns the name corresponding to an event code.
fileptr: Returns (or sets) a file pointer.
filesize: Returns the size of a file.
filetype: Returns a code for the type of a file.
filetypename: Returns a text string corresponding to a file type code.
fzinspect: Returns info about an FZ file.
help: Returns on-line information about parts of the LUX language.
isarray: To determine if a variable is an array.
isnan: To determine if a number is a "Not-a-Number".
isscalar: To determine if a variable is a scalar.
isstring: To determine if a variable is a string.
list: To display the current definition of a user-defined subroutine or function.
num_dim: Returns the number of dimensions.
num_elem: Returns the number of elements.
s: Shows all matching variables.
show: Shows all matching variables.
showorbits: Displays currently loaded orbits.
showstats: Displays information about the system resources.
show_func: Shows all matching built-in functions.
show_subr: Shows all matching built-in subroutines.
strlen: Returns the length of a string.
symclass: Returns the data class number.
symdtype: Returns the data type number.
symmem: Returns the total of the memory allocated for certain LUX symbols.
symnum: Returns the symbol number of the argument.
tape_status: Displays the status of a tape drive.
typename: Returns the name associated with a data type number.
varname: Returns the name of the variable in a string.