JLD2View.jl/main.jl

import Pkg; Pkg.activate(@__DIR__, io=devnull)
using JLD2View
using NativeFileDialog

path = get(ARGS, 1) do
    pick_file(filterlist="jld2")
end

const HELP = """
Usage:
    jld2view [JLD2_PATH]

Display the contents of a JLD2 file. If no file is provided in the command line,
a file-picker dialog box will appear to select one interactively.
"""

if path == "--help"
    println(HELP)
    exit(0)
elseif path == "" # pick_file cancelled
    exit(0)
elseif isfile(path)
    jld2_view(path)
else
    @error "File not found" path
    println("\n", HELP)
    exit(1)
end