oxinabox

using LinearAlgebra

# Wikipedia non-preserving version (transcribed from VB)
# https://en.wikipedia.org/wiki/Tridiagonal_matrix_algorithm
# this one is wrong (found this in use in the wild 😢)
function thomas_algorithm!(a, b, c, r, ::Val{1})
    n = length(b)
    for i in 2:(n-1)
        m = a[i]/b[i-1];
        b[i] = b[i] - m * c[i - 1];

pfitzseb

# put this in your startup.jl
using InteractiveUtils
let
   tmuxsession = nothing
   sessions = split(String(read(`tmux list-panes -a -F '#{pane_tty} #{session_name}'`)), '\n')
   io = IOBuffer()
   run(pipeline(`tty`, stdout=io))
   tty = chomp(String(take!(io)))
   for session in sessions
      if occursin(tty, session)