#!/bin/bash
logq () {
    local help="Usage: logq [-h|--help] COMMAND [ARG...]

Log Quietly. Run COMMAND with ARGs, log to temp file. Output return code,
command, and log path.

Minor details: Use logsave if available, which adds informational header/footer
to log file.  Logfile is put in random temp dir, with filename made from the
alphanumeric characters of COMMAND + ARGs."

    if [[ $1 == --help || $1 == -h ]]; then
        echo "$help"
        return
    fi
    if [[ $# == 0 ]]; then
	echo "error: need 1 or more arguments
$help"
	return 1
    fi

    local index=0
    local x prettycommand
    for x in "$@"; do
        prettycommand+="[$index]$x "
        index=$(( index+1 ))
    done


    local file="$*"
    file="$(mktemp -d)/${file//[^[:alnum:]]/}"

    printf "%s\n%s\n\n" "log of $prettycommand" "$(date)" >"$file"

    # we will propagate any errors
    local e=$-
    [[ $e == *e* ]] && set +e
    "$@" &>> "$file"
    local ret=$?
    [[ $e == *e* ]] && set -e

    printf "\n%s\n%s\n%s" "----------------" "$(date)" "end of log" >>"$file"

    echo -n "\$?=$ret "
    echo -n "$prettycommand"
    echo "[log] $file"
    return $ret
}
logq "$@"