crpl:docs:exists [Knuckle Cracker Wiki]

crpl:docs:exists

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~~DISCUSSION~~ <- CRPL reference <- Vars and Functions

-?VARNAME

Arguments	Result	Notation
	0 or 1 depending on if VARNAME exists	`– i1`

Description

Checks to see if VARNAME exists (has been assigned). If so, 1 is pushed to the stack else 0. Local variables persist across script invocations.

Examples

# check to see if variable "Spore" exists. 
# If not, fire a spore and set the variable so no 
# further spores will launch. 
-?Spore if 
	# A spore has already been fired
else
	CurrentCoords RandUnitCoords 1 20 CreateSpore 
	"fired" ->Spore 
endif

crpl/docs/exists.1387471468.txt.gz · Last modified: 2025/02/14 14:56 (external edit)