CODEWITHSUNDEEP
r
AdamNYC
AdamNYC

Reputation: 20415

Remove a list of object names

I have an array of object names v <- c("v1", "v2"), which associates with objects v1, v2. How should I remove these objects using rm()? I tried rm(mget(v)), but I got error:

Error in rm(mget(v)) : ... must contain names or character strings

Upvotes: 1

Views: 8310

Answers (1)

A_K
A_K

Reputation: 2651

--Editing the answer based on better understanding of the problem as pointed out by Dason--

Since the intention is remove the objects referred to by the contents of v & not v itself, rm(v) (as was suggested earlier by me) is inappropriate (as it will remove v though not the objects pointed to by the contents of v (viz. v1 & v2). 

> v1 <- "A"
> v2 <- "B"
> #v is a vector containing the references to v1 & v2 as character strings
> v <- c("v1","v2") 
> v
[1] "v1" "v2"
> rm(v)
> v
Error: object 'v' not found
> v1
[1] "A"
> v2
[1] "B"
>

The OP wishes to remove the objects v1 & v2 & not v. As Adam identified, the solution would be rm(list=v)

> rm(list=v)
> v
[1] "v1" "v2"
> v1
Error: object 'v1' not found
> v2
Error: object 'v2' not found
>

Upvotes: 9

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