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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:
# read.lynx Uses the lynx browser to read from a web page
###############################################################################
read.lynx <-
function(url, intern = TRUE, bin = NULL, pipe = FALSE, ...)
{
# A function implemented by Diethelm Wuertz and Yohan Chalabi
# Description:
# Uses the lynx browser to read from a web page
# Example:
# read.lynx("www.rmetrics.org", bin = "C:/cygwin/bin/lynx.exe")
# FUNCTION:
# Paste Arguments:
ldots <- list(...)
args <-
if (length(ldots))
paste(paste("-", names(ldots) , "=", sep = ""), ldots, sep = "",
collapse = " ")
else
""
# Compose Command:
cmd <-
if (is.null(bin))
paste("lynx", args, "-dump -dont_wrap_pre", shQuote(url))
else
paste(bin, args, "-dump -dont_wrap_pre", shQuote(url))
# Download URL:
ans <-
if (pipe)
pipe(cmd)
else
system(cmd, intern = intern)
# Return Value:
ans
}
################################################################################
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