Bash script to check remote servers via SFTP

README.md

Assign a value to the RECIPIENTS variable to enable email.

Assign a value to the LOG_FILE variable to enable logging to a file.

sftp_check.sh

#!/bin/bash

#RECIPIENTS="email@domain.com email2@domain.com"
#LOG_FILE="/path/to/log"

if [[ $# -lt 2 ]]; then
        printf "Usage: $0 host paths...\n"
        exit 0
fi


HOST=$1
shift

SFTP_COMMANDS=""

for i in $@; do
        SFTP_COMMANDS="${SFTP_COMMANDS}ls ${i}\n"
done


OUTPUT=`script -qc "printf \"${SFTP_COMMANDS}\" | sftp ${HOST}"`
echo "${OUTPUT}"

if [[ "${RECIPIENTS}" != "" ]]; then
        printf "To: ${RECIPIENTS}\nSubject: [${HOST}][$(date)] SFTP Check\n${OUTPUT}" | sendmail "${RECIPIENTS}"
fi

if [[ "${LOG_FILE}" != "" ]]; then
        printf "$(date)\n${OUTPUT}\n\n" >> "${LOG_FILE}"
fi