svMisc (version 0.9-60)

changeTemp: Change an item in a temporary list variable

Description

The function changes an item in a list variable located in TempEnv, an environment dedicated to temporary variables (especially useful for GUIs).

Usage

changeTemp(x, item, value, replace.existing = TRUE)

Arguments

x

the name of the variable containing the list.

item

the item to change (or create) in the list.

value

the value to put in the list item.

replace.existing

do we replace an existing item?

concept

temporary variables

See Also

TempEnv, assignTemp, getTemp, existsTemp, rmTemp, addTemp, tempvar

Examples

changeTemp("tst", "item1", 1:10)
## Retrieve this variable
getTemp("tst")
## Create another item in the list
changeTemp("tst", "item2", TRUE)
getTemp("tst")
## Change it
changeTemp("tst", "item2", FALSE)
getTemp("tst")
## Delete it (= assign NULL to it)
changeTemp("tst", "item2", NULL)
getTemp("tst")
## Delete the whole variable
rmTemp("tst")