Add script to check for Julia

kgryte · kgryte · commit bf439d34798e · 2017-03-08T23:02:15.000-08:00
diff --git a/tools/scripts/check_julia b/tools/scripts/check_julia
@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+#
+# Check whether Julia is installed.
+#
+# Usage: check_julia
+#
+
+# VARIABLES #
+
+# Find Julia:
+JULIA=$(which julia 2>/dev/null)
+
+
+# FUNCTIONS #
+
+# Prints usage information.
+usage() {
+	echo '' >&2
+	echo 'Usage: check_julia' >&2
+	echo '' >&2
+}
+
+# MAIN #
+
+if [[ -x "${JULIA}" ]] && "${JULIA}" --version >/dev/null; then
+	echo 'Julia is installed.' >&2
+	exit 0
+else
+	echo 'ERROR: missing dependency. Please download Julia version >= 0.4 (http://julialang.org/). Once installed, run the command again.' >&2
+	exit 1
+fi
+
+# TODO: check for minimum version
