ORACLE ADRCI Purging

#!/bin/bash

# Author: Dawid Mocek
# All rights reserved


# Removes ALERT|INCIDENT|TRACE|CDUMP|HM|UTSCDMP messages for all instances

# Do not change values below :
ADRCI_CMD="$ORACLE_HOME/bin/adrci"

if [ ! -x "$ADRCI_CMD" ]; then
    echo "Not found: $ADRCI_CMD"
    exit 1
fi

ADRCI_EXEC="$($ADRCI_CMD exec="SHOW HOMES")"
ADR_HOME=""
ADR_HOMES=()
ADR_HOMES_SIZE=0
while read -r line; do
    ADR_HOMES+=("$line")
done <<< "$ADRCI_EXEC"

ADR_HOMES_SIZE=${#ADR_HOMES[@]}

if [ "$ADR_HOMES_SIZE" -ge "1" ]; then

    unset "ADR_HOMES[0]"

    for ADR_HOME in "${ADR_HOMES[@]}"
    do
        echo -n "Purging $ADR_HOME: "
        if [ -d "$ORACLE_BASE/$ADR_HOME" ]; then
            ADRCI_EXEC="  SET HOMEPATH $ADR_HOME;"
            ADRCI_EXEC+=" PURGE -AGE 10080 -TYPE ALERT;"
            ADRCI_EXEC+=" PURGE -AGE 10080 -TYPE INCIDENT;"
            ADRCI_EXEC+=" PURGE -AGE 10080 -TYPE TRACE;"
            ADRCI_EXEC+=" PURGE -AGE 10080 -TYPE CDUMP;"
            ADRCI_EXEC+=" PURGE -AGE 10080 -TYPE HM;"
            ADRCI_EXEC+=" PURGE -AGE 10080 -TYPE UTSCDMP"
            echo "$ADRCI_EXEC"
            ADRCI_RET="$($ADRCI_CMD exec="$ADRCI_EXEC")"
            echo "$ADRCI_RET"
        else
            echo " ERROR home not found in system path: $ORACLE_BASE/$ADR_HOME"
        fi
    done
fi