[R] Delete an object which is named indirectly.

[Rui Barradas]

Às 21:26 de 25/07/2025, ressw--- via R-help escreveu:
> Make two objects
> 
> junk.A = -9999
> junk.B = "junk.A"
> 
> rm(junk.B) removes junk.B and not junk.A, as it should.
> 
> Is there a function, e,g, "rm2", such that
> rm2(junk.B) will delete junk.A and not junk.B?
> 
> Why doesn't this work?:
>> rm(eval(junk.B))
> Error in rm(eval(junk.B)) : ... must contain names or character strings
> since eval(junk.B) yields "junk.A"
> and
>> rm("junk.A")
> does work?
> 
> R version 4.3.0 (2023-04-21)
> 
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Hello,

Just use rm's argument 'list'.


junk.A = -9999
junk.B = "junk.A"

rm(list = junk.B)

junk.A
#> Error: object 'junk.A' not found
junk.B
#> [1] "junk.A"


Hope this helps,

Rui Barradas