#!/bin/sh
set -eu

[ $# -gt 0 ] || { echo "uso: $0 imagen..." >&2; exit 1; }

if command -v exiftool >/dev/null 2>&1; then
    exiftool -all= -overwrite_original -- "$@"
elif command -v mat2 >/dev/null 2>&1; then
    for f in "$@"; do
        mat2 --inplace -- "$f"
    done
else
    echo "falta exiftool o mat2" >&2
    exit 1
fi

if command -v exiftool >/dev/null 2>&1; then
    if exiftool -q -q -if '$GPSLatitude' -p '$FileName' -- "$@" 2>/dev/null | grep .; then
        echo "ojo: quedan coordenadas GPS en las de arriba" >&2
        exit 1
    fi
fi