bash: deleting old backup files

install-package.bsh

@@ -1,2 +1,3 @@
-rm -rf /opt/ilarkesto
-tar -xvjf build/ilarkesto.tbz -C /opt
+sudo rm -rf /opt/ilarkesto
+sudo tar -xvjf build/ilarkesto.tbz -C /opt
+

src/main/bash/backuptar.bsh

@@ -25,4 +25,4 @@ tar -cjpf ${DESTINATION_FILE} $4 $5 $6 $7 $8 $9 ${10} ${11} ${12} ${13} ${14} ${
 if [ $? != 0 ]; then exit 1; fi
 
 echo "Deleting backups older then $CLEANOLDERTHENMINUTES minutes"
-find "${DESTINATION_DIR}" -name "bak_${BACKUP_NAME}_*.tbz" -mmin +$CLEANOLDERTHENMINUTES -exec rm -vf {} \;
+/opt/ilarkesto/bin/deleteoldfilesexceptone $DESTINATION_DIR "bak_${BACKUP_NAME}_*.tbz" $CLEANOLDERTHENMINUTES

src/main/bash/deleteoldbackupfiles.bsh

@@ -13,5 +13,6 @@ fi
 DST=$1
 CLEANOLDERTHENMINUTES=$2
 
-find "${DST}" -name "*_20*.tbz" -mmin +$CLEANOLDERTHENMINUTES -exec rm -vf {} \;
-find "${DST}" -name "*-data_20*.zip" -mmin +$CLEANOLDERTHENMINUTES -exec rm -vf {} \;
+
+/opt/ilarkesto/bin/deleteoldfilesexceptone $DST "*_20*.tbz" $CLEANOLDERTHENMINUTES
+/opt/ilarkesto/bin/deleteoldfilesexceptone $DST "*-data_20*.zip" $CLEANOLDERTHENMINUTES

src/main/bash/deleteoldfilesexceptone.bsh

@@ -0,0 +1,21 @@
+#!/bin/bash
+#
+# Deletes old files except one.
+#
+
+if [[ $# -lt 3 ]]
+then
+    echo " "
+    echo "$0: Illegal arguments."
+    echo " "
+    echo "Syntax:"
+    echo "$0 path filename-pattern age-in-minutes"
+    exit 1
+fi
+
+SEARCHPATH=$1
+PATTERN=$2
+AGE=$3
+
+echo "Deleting files older then $AGE minutes: $SEARCHPATH$PATTERN"
+find $SEARCHPATH -name "$PATTERN" -mmin "+$AGE" -type f -printf '%T@ %p\n' | sort -k 1nr | tail -n +2 | cut -d ' ' -f 2 | xargs rm -vf {}