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|
#!/bin/bash
#
# Installs Kernlab.
# Author: Christoph Helma, Andreas Maunz.
#
if [ "$(id -u)" = "0" ]; then
echo "This script must be run as non-root." 1>&2
exit 1
fi
# Utils
WGET="`which wget`"
if [ ! -e "$WGET" ]; then
echo "'wget' missing. Install 'wget' first. Aborting..."
exit 1
fi
R="`which R`"
if [ ! -e "$R" ]; then
echo "'R' missing. Install 'R' first. Aborting..."
exit 1
fi
# Pkg
VER="0.9-11"
# Dest
R_CONF=$HOME/.bash_R_ot
DEST="$HOME/r-packages"
if [ -n "$1" ]; then
DEST="$1"
fi
echo "This installs Kernlab."
echo "Press <Return> to continue, or <Ctrl+C> to abort."
read
DIR="`pwd`"
R_DONE=false
mkdir "$DEST" >/dev/null 2>&1
if [ ! -d "$DEST" ]; then
echo "Install directory '$DEST' is not available! Aborting..."
exit 1
else
if ! rmdir "$DEST" >/dev/null 2>&1; then # if not empty this will fail
echo "Install directory '$DEST' is not empty. Skipping kernlab installation..."
R_DONE=true
fi
fi
if ! $R_DONE; then
cd /tmp
if ! $WGET -O - "http://cran.r-project.org/src/contrib/Archive/kernlab/kernlab_$VER.tar.gz">/dev/null 2>&1; then
echo "Download failed! Aborting..."
exit 1
fi
export R_LIBS="$DEST"
$R CMD INSTALL "kernlab_$VER.tar.gz"
fi
echo
echo "Preparing R..."
if [ ! -f $R_CONF ]; then
echo "R_LIBS=\"$DEST\"" >> "$R_CONF"
echo "R package destination has been stored in '$R_CONF'."
echo -n "Decide if R configuration should be linked to your .bashrc ('y/n'): "
read ANSWER_R_CONF
if [ $ANSWER_R_CONF = "y" ]; then
echo "source \"$R_CONF\"" >> $HOME/.bashrc
fi
else
echo "It seems R is already configured ('$R_CONF' exists)."
fi
cd "$DIR"
echo
echo "Kernlab Installation finished."
|
