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yap-6.3/Logtalk/scripts/make_xsbcvslgt.sh

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#!/bin/sh
## =================================================================
## Logtalk - Object oriented extension to Prolog
## Release 2.27.1
##
## Copyright (c) 1998-2006 Paulo Moura. All Rights Reserved.
## =================================================================
echo
echo "Creating a script named xsbcvslgt for running Logtalk with XSB..."
echo
if ! [ "$LOGTALKHOME" ]
then
echo "The environment variable LOGTALKHOME must be defined first!"
echo
exit 1
fi
if ! [ -d "$LOGTALKHOME" ]; then
echo "The environment variable LOGTALKHOME points to a non-existing directory!"
echo "Its current value is: $LOGTALKHOME"
echo "The variable must be set to your Logtalk installation directory!"
echo
exit 1
fi
if [ -z "$1" ]; then
prefix=/usr/local
else
prefix="$1"
fi
if ! [ -d "$prefix" ]; then
echo "Directory prefix does not exist!"
echo
exit 1
fi
cd "$LOGTALKHOME"
mkdir -p bin
cd bin
cp ../compiler/logtalk.pl logtalkcvs.P
echo ":- reconsult('$LOGTALKUSER/configs/xsbcvs.P')." > logtalkxsbcvs.P
echo ":- reconsult('$LOGTALKHOME/bin/logtalkcvs.P')." >> logtalkxsbcvs.P
echo ":- reconsult('$LOGTALKUSER/libpaths/libpaths.P')." >> logtalkxsbcvs.P
echo "#/bin/sh" > xsbcvslgt
echo "xsb -e \"reconsult('\$LOGTALKHOME/bin/logtalkxsbcvs.P').\"" >> xsbcvslgt
chmod a+x xsbcvslgt
ln -sf $LOGTALKHOME/bin/xsbcvslgt $prefix/bin/xsbcvslgt
echo "Done. A link to the script was been created in $prefix/bin."
echo "Users must define the environment variables LOGTALKHOME and"
echo "LOGTALKUSER in order to use the script. Users must run the"
echo "the cplgtdirs script before using the xsbcvslgt script."
echo
echo "The first call to the script must be made as root or using sudo."
echo