Select columns or hide columns?

[Yevgnen]

When there are many columns, it would be nice to have ability to select or hide only some columns.

[ondohotola]

Use QSV to select fewer columns.

Even though piping (any CSV file) into csvlens on the Mac (Monterey, rust 1.65.0) bombs with this backtrace

thread 'main' panicked at 'not yet implemented', /Users/el/.cargo/registry/src/github.com-1ecc6299db9ec823/csvlens-0.1.10/src/util/events.rs:58:23
stack backtrace:
   0:        0x1021becb2 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9515a3bdbd0baca0
   1:        0x1021d253a - core::fmt::write::hfb97b04d44bdb4d8
   2:        0x1021a4c8c - std::io::Write::write_fmt::h686d9784d8415cb9
   3:        0x1021a763f - std::panicking::default_hook::{{closure}}::ha298777f08731ac8
   4:        0x1021a72cf - std::panicking::default_hook::hb5f65353eb4f3d66
   5:        0x1021a7d52 - std::panicking::rust_panic_with_hook::he911070515b336d8
   6:        0x1021befc2 - std::panicking::begin_panic_handler::{{closure}}::h752456daaf48f28e
   7:        0x1021bee08 - std::sys_common::backtrace::__rust_end_short_backtrace::hc10b12502582d9b6
   8:        0x1021a786d - _rust_begin_unwind
   9:        0x1021e3b93 - core::panicking::panic_fmt::hc606b9962be5fb74
  10:        0x1021e3a77 - core::panicking::panic::h5459910156e8485f
  11:        0x102087a18 - csvlens::util::events::CsvlensEvents::next::h4ebcf28b757c6d70
  12:        0x1020a6446 - csvlens::input::InputHandler::next::h48c5a29e4a233be3
  13:        0x102090e0d - csvlens::app::App::main_loop::h938a72257a5b9420
  14:        0x10208b44c - csvlens::main::h1977ea503b48407c
  15:        0x1020a0026 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha497255ce33b7923
  16:        0x1020a08dc - std::rt::lang_start::{{closure}}::h77a3420c0367f8ce
  17:        0x1021a4338 - std::rt::lang_start_internal::h7de129d052efa930
  18:        0x10208baaf - _main