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# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received A copy of the GNU Library General
# Public License along with this library; if not, write to the
# Free Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
################################################################################
# FUNCTION: DESCRIPTION:
# listFunctionss Lists all functions in a package
# countFunctions Counts all functions in a package
################################################################################
listFunctions <-
function(package, character.only = FALSE)
{
# A function implemented by Diethelm Wuertz & Yohan Chalabi
# Description:
# Lists all functions in a package
# Arguments:
# package - a character string, the name of the Package
# Author:
# Original code from B. Ripley
# FUNCTION:
# List:
if (!character.only)
package <- as.character(substitute(package))
pkgNm <- paste("package", package, sep = ":")
## return
if(!is.na(match(pkgNm, search())) ||
require(package, character.only = TRUE, quietly = TRUE)) {
nm <- ls(env <- as.environment(pkgNm), all.names = TRUE)
nm[unlist(lapply(nm, function(n)
exists(n, where = env, mode = "function", inherits = FALSE)))]
} else {
character(0)
}
}
# ------------------------------------------------------------------------------
countFunctions <-
function(package, character.only = FALSE)
{
# A function implemented by Diethelm Wuertz & Yohan Chalabi
# Description:
# Counts all functions in a package
# Arguments:
# package - a character string, the name of the Package
# FUNCTION:
# Count:
if (!character.only)
package <- as.character(substitute(package))
ans = length(listFunctions(package, character.only = TRUE))
names(ans) = package
# Return Value:
ans
}
################################################################################
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