shell script to grep for errors in a log file and then email the results.

#!/bin/bash

# Log file path

LOG_FILE="/path/to/your/log_file.log"

# Error pattern (case-sensitive)

ERROR_PATTERN="ERROR|FAIL"

# Email recipient address

RECIPIENT="your_email@example.com"

# Email subject prefix

SUBJECT_PREFIX="Errors found in $LOG_FILE"

# Mail sending method (replace with your preferred method)

# Option 1: Using mailx (requires mailx installed)

MAIL_COMMAND="mailx -s"

# Option 2: Using sendmail (replace "your_smtp_server" with your server)

# MAIL_COMMAND="sendmail -t -H To: $RECIPIENT -H Subject: $SUBJECT_PREFIX"

# Check if any errors exist

if grep -q "$ERROR_PATTERN" "$LOG_FILE"; then

# Get only the lines containing errors

ERRORS=$(grep "$ERROR_PATTERN" "$LOG_FILE")