Using base.module.sh, replaced basename and dirname

script/host/zfs/fstrim.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+# trim all mounted or at least root file systems which support it
+# call this file with cron
+
+
+
+function run(){
+    local _FSTRIM _MAJOR_VERSION _START
+    _MAJOR_VERSION="$(lsb_release -r | cut -f2 | cut -d'.' -f1)"
+
+    [ "${_MAJOR_VERSION:?"Missing MAJOR_VERSION"}" -ge "16" ] \
+        && _FSTRIM="fstrim -v --all" \
+        || _FSTRIM="fstrim -v /"
+
+    _START="${SECONDS}"
+    readonly _FSTRIM _MAJOR_VERSION _START
+
+    echo -e "$(date) - fstrim started: '$($_FSTRIM)' (duration: $(date -u -d @"$((${SECONDS} - $_START))" +'%-Hh %Mm %Ss'))"
+}
+
+run > /var/log/fstrim.log