Test mono version

mono-version-check.sh

#!/bin/sh
REQUIRED_MAJOR=2
REQUIRED_MINOR=8

MONO_VERSION="$(mono --version | grep 'Mono JIT compiler version ' |  cut -f5 -d\ )"
MONO_VERSION_MAJOR="$(echo $MONO_VERSION | cut -f1 -d.)"
MONO_VERSION_MINOR="$(echo $MONO_VERSION | cut -f2 -d.)"
if [ -z "$MONO_VERSION" ] \
        || [ $MONO_VERSION_MAJOR -lt $REQUIRED_MAJOR ] \
        || [ $MONO_VERSION_MAJOR -eq $REQUIRED_MAJOR -a $MONO_VERSION_MINOR -lt $REQUIRED_MINOR ]
then
        echo "Your mono version is $MONO_VERSION, but at least ${REQUIRED_MAJOR}.${REQUIRED_MINOR} is needed"
else
        echo "Your mono version is recent enough: $MONO_VERSION"
fi