#!/bin/sh
# Copyright (C)2022 Johannes Truschnigg (https://johannes.truschnigg.info/)
+#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
#!/bin/sh
+# Copyright (C)2022 Johannes Truschnigg (https://johannes.truschnigg.info/)
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
+
for p in sort sleep cat awk fping
do
type "${p}" >/dev/null || { printf 'FATAL: Required program "%s" not installed.\n' "${p}" >&2; exit 1; }