emacs-ipython-notebook/tools/makeenv.sh

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#!/bin/sh
env="$1"
req="$2"
activate=$env/bin/activate
if [ -z "$env" -o -z "$req" ]; then
echo "Usage:"
echo " $0 ENVIRONMENT REQUIREMENT"
exit 1
fi
if [ -e $activate ]; then
echo "virtualenv $env exists."
else
echo "Creating virtualenv $env."
virtualenv $env
fi
. $activate
pip install --requirement $req