[seiscomp, scanloc] Install, add .gitignore

share/templates/slarchive/purge_datafiles.tpl

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# Generated at $date - Do not edit!
+# template: $template
+
+CFGDIR="$slarchive._config_dir"
+ARCHIVE="$archive"
+
+for rc in `find $$CFGDIR -name "rc_*"`; do
+    station=$${rc##*_}
+    source $$rc
+    find "$$ARCHIVE"/*/"$$NET/$$STATION" -type f -follow -mtime +$$ARCH_KEEP -exec rm -f '{}' \;
+done