Bash log function.sh

#!/usr/bin/env bash

LOG_FILE="appPrint.log"


. "Check ownership and permissions of a file.sh"


function log()
{
    echo "BLAH_BLAH - `date` - $@" >> "$LOG_FILE"
}



# Create logfile with appropriate permissions
function checkLogFile() {
    if [ ! -f "$LOG_FILE" ]; then
        touch "$LOG_FILE"
        chown "$USER" "$LOG_FILE"
        chmod 600 "$LOG_FILE"
    else
        # Check permissions of $LOG_FILE
        checkPermissions "$LOG_FILE" "$USER" "-rw-------"
        if [ "$?" -ne 0 ]; then
            # Try fixing permissions of LOG_FILE
            log "ALERT: Incorrect permissions for the $LOG_FILE, trying to fix permissions of $LOG_FILE!"
            chown "$USER" "$LOG_FILE"
            chmod 600 "$LOG_FILE"
        fi
    fi

    log "$LOG_FILE permissions OK"
    return 0
}


checkLogFile
if [ "$?" -ne 0 ]; then
    log "ALERT: Incorrect permissions for the $LOG_FILE, aborting!"
    exit -1
fi