This is a stand in script for any command that might take stdin or arguments and logs everything.

stand-in.sh

#!/bin/bash

(
    echo -e "\n\n  #### $(date) ####"

    echo -e "\n## Exported Variables"
    printenv

    echo -e "\n## Local Variables"
    ( set -o posix ; set) | grep -vf <(printenv | sed 's/^/^/;s/=.*/=/')

    echo -e "\n## Arguments"
    echo "$@"

    if [[ -p /dev/stdin ]]; then # stdin is a pipe
        echo -e "\n## Std In"
        while read; do
            echo "$REPLY"
        done
    fi
) >> $(basename ${BASH_SOURCE[0]}).out