Return the column names of the disk.frame

Source: R/names.r

The returned column names are from the source. So if you have lazy operations then the colnames here does not reflects the results of those operations. Note: if you have expensive lazy function then this operation might take some time.

colnames(x, ...)

# S3 method for disk.frame
names(x, ...)

# S3 method for disk.frame
colnames(x, ...)

# S3 method for default
colnames(x, ...)

Arguments

x

a disk.frame

...

not used