emr_filter.ls {naryn}

Returns a list of named filters

Description

Returns a list of named filters.

Usage

emr_filter.ls(
  pattern = "",
  ignore.case = FALSE,
  perl = FALSE,
  fixed = FALSE,
  useBytes = FALSE
)

Arguments

pattern, ignore.case, perl, fixed, useBytes

see 'grep'

Details

This function returns a list of named filters that exist in current R environment that match the pattern (see 'grep'). If called without any arguments all named filters are returned.

Value

An array that contains the names of filters. If no filter was found, character(0) would be returned.

See Also

grep, emr_filter.exists, emr_filter.create, emr_filter.rm

Examples

emr_db.init_examples()
emr_filter.create("f1", "dense_track", time.shift = c(2, 4))
emr_filter.create("f2", "dense_track", keepref = TRUE)
emr_filter.ls()
emr_filter.ls("*2")