cron-exec

#!/bin/sh
# cron-exec - Execute a command from cron, capture output and exit status, log to target
# SPDX-License-Identifier: MIT (https://ncurl.xyz/s/Kkn2DQsNR)

LOG_TARGET="/dev/fd/1"        # Log output destination

TASK_DATETIME="$(date -R)"    # Current date/time in RFC-2822 format
TASK_CMD="$@"                 # Command to execute, passed as arguments

# Execute the command, capture both stdout and stderr
TASK_RESULT="$(sh -c "$TASK_CMD" 2>&1)"

# Capture the exit status of the command
TASK_SIGNAL="$?"

# Format the log entry
TASK_LOG="[cron-exec] date: $TASK_DATETIME signal: $TASK_SIGNAL cmd: $TASK_CMD result: $TASK_RESULT"

# Write the log entry to the log target
echo "$TASK_LOG" >>"$LOG_TARGET"