prune_data added

prune_data.sh

@@ -0,0 +1,70 @@
+
+#!/bin/bash
+
+function usage {
+    echo -n "Usage: ${0}"
+    echo -n " -d <root_dir>"
+    echo -n " -D <older than time criteria> (example: '2 days ago')"
+    echo
+    exit 1
+}
+
+echo Starting $0 $*
+
+
+# ---------------- cmdline
+while getopts "d:D:" opt; do
+  case ${opt} in
+    d )
+      RootDir=$OPTARG
+      ;;
+    D )
+      DateCriteria=$OPTARG
+      ;;
+    \? )
+      echo "Invalid option: -$OPTARG" >&2
+      usage
+      ;;
+    : )
+      echo "Option -$OPTARG requires an argument." >&2
+      usage
+      ;;
+  esac
+done
+
+if  [ "${RootDir}" == "" ] || [ "${DateCriteria}" == "" ] ; then
+    usage
+fi
+
+declare -A Settings=()
+Settings[Src]=${RootDir}
+Settings[PruneDate]=$(date -d "${DateCriteria}" '+%Y-%m-%d')
+
+src=${Settings[Src]}
+prune_date=${Settings[PruneDate]}
+
+echo Before Pruning....
+df -hT ${src}
+
+echo "Finding files older than ${prune_date}..."
+Cmd="find ${src} -type f ! -newermt \"${prune_date}\""
+echo ${Cmd}
+files=($(eval ${Cmd}))
+echo "Total files to be pruned: ${#files[*]}"
+
+for file in "${files[@]}" ; do
+   Cmd="rm -f ${file}"
+   echo ${Cmd}
+   eval ${Cmd}
+done
+
+echo "Removing empty directories..."
+Cmd="find ${src} -type d -empty -print -delete"
+echo ${Cmd}
+eval ${Cmd}
+
+echo After Pruning....
+df -hT ${src}
+
+echo $0 Done
+