--- /dev/null
+# Usage:
+# check_file_exists!/path/to/file
+define command {
+ command_name check_file_exists
+ command_line /usr/lib/nagios/plugins/check_file_exists $ARG1$
+}
+
+define service {
+ use generic-service
+ name file_exists
+ service_description file_exists
+ register 0
+
+ normal_check_interval 5
+ retry_check_interval 1
+
+ notification_interval 10
+
+ check_command check_file_exists
+}
--- /dev/null
+%define plugin check_file_exists
+Summary: Monitoring plugin to check if a file exists or not
+Name: monitoring-plugin-%{plugin}
+Version: 1.0
+Release: 1
+License: GPL
+Group: Networking
+Source0: https://exchange.nagios.org/components/com_mtree/attachment.php?link_id=2330&cf_id=24&/%{plugin}.sh
+# Source0-md5: 388097c05f6e58f4eeaca2cdf132331e
+Source1: %{plugin}.cfg
+URL: https://exchange.nagios.org/directory/Plugins/System-Metrics/File-System/check_file_exists/details
+BuildRequires: rpmbuild(macros) >= 1.654
+Requires: nagios-common
+Requires: nagios-plugins-libs
+BuildArch: noarch
+BuildRoot: %{tmpdir}/%{name}-%{version}-root-%(id -u -n)
+
+%define _sysconfdir /etc/nagios/plugins
+%define nrpeddir /etc/nagios/nrpe.d
+%define plugindir %{_prefix}/lib/nagios/plugins
+
+%description
+Monitoring plugin to check if a file exists or not.
+
+%prep
+%setup -qcT
+cp -p %{SOURCE0} %{plugin}
+
+%install
+rm -rf $RPM_BUILD_ROOT
+install -d $RPM_BUILD_ROOT{%{_sysconfdir},%{nrpeddir},%{plugindir}}
+install -p %{plugin} $RPM_BUILD_ROOT%{plugindir}/%{plugin}
+cp -p %{SOURCE1} $RPM_BUILD_ROOT%{_sysconfdir}/%{plugin}.cfg
+
+%clean
+rm -rf $RPM_BUILD_ROOT
+
+%files
+%defattr(644,root,root,755)
+%attr(640,root,nagios) %config(noreplace) %verify(not md5 mtime size) %{_sysconfdir}/%{plugin}.cfg
+%attr(755,root,root) %{plugindir}/%{plugin}