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| #!/usr/bin/env bash | |
| # Copyright (c) 2025 Tim Menzies, MIT License | |
| # https://opensource.org/licenses/MIT | |
| export BASH_SILENCE_DEPRECATION_WARNING=1 | |
| export PATH="$Here:$PATH" | |
| export HISTSIZE=10000 | |
| export HISTFILESIZE=20000 | |
| export HISTCONTROL=ignoredups:erasedups | |
| Here="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" | |
| branch() { git branch 2>/dev/null | awk '/^\*/ {print $2}'; } | |
| dirty() { [[ -n $(git status -s 2>/dev/null) ]] && echo "*"; } | |
| bold=$(tput bold) col0=$(tput sgr0) col1=$(tput setaf 6) col2=$(tput setaf 3) | |
| PROMPT_COMMAND='PS1="${bold}${col1}$(basename "$(dirname "$PWD")")/$(basename "$PWD")${col0} ${col2}$(branch)$(dirty)${col0} ▶ "' | |
| alias ls="\ls --color" | |
| alias reload="source '$Here/ell' && echo ✅" | |
| alias grep='grep --color=auto' | |
| vi() { | |
| nvim --clean \ | |
| --cmd "let g:netrw_banner=0 | let g:netrw_liststyle=3 | let g:netrw_browse_split=4 | let g:netrw_winsize=15" \ | |
| --cmd "set number relativenumber cursorline mouse=a clipboard=unnamedplus ignorecase smartcase" \ | |
| --cmd "set statusline=%#StatusLine#\ ▶\ %f\ %m%r%=%y\ ❖\ %l:%c\ ❖\ %p%%\ " \ | |
| --cmd "set expandtab tabstop=2 shiftwidth=2 splitright splitbelow" \ | |
| --cmd "set undofile undodir=~/.vim/undo" \ | |
| --cmd "nnoremap Q :quitall<CR>" \ | |
| --cmd "colorscheme zaibatsu" \ | |
| --cmd "set laststatus=2" \ | |
| "$@" | |
| } | |
| hi() { | |
| clear | |
| echo "${col1}" | |
| cat<<'EOF' | |
| ██████╗ ███████╗ ██████╗ ██████╗ ██████╗ ██╗ ██████╗ | |
| ██╔══██╗ ██╔════╝ ██╔══██╗ ██╔════╝ ██╔══██╗ ██║ ██╔══██╗ | |
| ██████╔╝ █████╗ ██████╔╝ ██║ ███╗ ██████╔╝ ██║ ██║ ██║ | |
| ██╔══██╗ ██╔══╝ ██╔═══╝ ██║ ██║ ██╔══██╗ ██║ ██║ ██║ | |
| ██║ ██║ ███████╗ ██║ ╚██████╔╝ ██║ ██║ ██║ ██████╔╝ | |
| ╚═╝ ╚═╝ ╚══════╝ ╚═╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ | |
| (cause experts know stuff} | |
| EOF | |
| echo "${col0}" | |
| } | |
| inst() { | |
| local m="" | |
| for p in $1; do command -v "$p" &>/dev/null || m+="$p "; done | |
| [ "$m" ] && case "$(uname -s)" in | |
| Darwin*) brew install $m ;; | |
| Linux*) sudo apt install -y $m ;; | |
| MINGW*) winget install $m ;; | |
| esac | |
| } | |
| # only run slow or verbose command at initial startup, not on reload | |
| if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then | |
| inst git nvim gawk tree | |
| hi | |
| exec bash --init-file "${BASH_SOURCE[0]}" -i | |
| fi |
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| # vim: ts=2 sw=2 noet | |
| # Copyright (c) 2025 Tim Menzies, MIT License | |
| # https://opensource.org/licenses/MIT | |
| #------------------------------------------------------ | |
| SHELL=/bin/bash | |
| export PATH := $(CURDIR):$(PATH) | |
| .SILENT: | |
| .PHONY: help egs ok eg-nbc eg-abcd eg-soybean eg-globals pull push | |
| help: ## show this help | |
| @gawk 'BEGIN { FS=":.*?## ";c="\033[1;3"; r="\033[0m"; \ | |
| printf "\n%s6mmake%s [%s3moptions%s]:\n\n",c,r,c,r} \ | |
| NF==2 && $$1~/^[a-z0-9A-Z_-]+/{ \ | |
| printf " %s2m%-15s%s %s\n",c,$$1,r,$$2}' $(MAKEFILE_LIST) | |
| #------------------------------------------------------ | |
| sh: ## run a customized shell | |
| sh ell | |
| pull: ## update from main | |
| git pull | |
| push: ## commit to main | |
| git commit -am saving; git push; git status |
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| #!/usr/bin/env python3 | |
| import random,sys,re | |
| class o(dict): __getattr__=dict.__getitem__; __setattr__=dict.__setitem__ | |
| the = o(p=2, hi=10, file="qmatric.csv", seed=1234567891) | |
| def load(src): | |
| egs,rows = [],[] | |
| for row in src: | |
| if egs: rows += [o(dim=row[0], cells=row[1:])] | |
| else : egs = row[1:] | |
| return o(rows=rows, egs=egs) | |
| def dist(row1,row2): | |
| n,d = 0,0 | |
| for x,y in zip(row1.cells,row2.cells): n,d = n+1, (x-y)**2 | |
| return (d/n)**.5 | |
| def z(x): print(x); return x | |
| def far(rows): | |
| print(rows) | |
| return max((z(dist(row1,row2)),row1,row2) | |
| for i,row1 in enumerate(rows) | |
| for j,row2 in enumerate(rows) if j>i)[1:] | |
| def halve(rows): | |
| a,b = far(rows) | |
| c = dist(a,b) | |
| x = lambda r: (dist(r,a)**2 + c**2 - dist(r,b)**2) / (2*c + 1e-32) | |
| rows = sorted(rows, key=x) | |
| mid = len(rows)//2 | |
| return rows[:mid], rows[mid:] | |
| def tree(rows): | |
| kids = [] | |
| if len(rows) > 2: | |
| l,r = halve(rows) | |
| kids = [tree(l), tree(r)] | |
| return o(rows=rows, kids=kids) | |
| def show(t,lvl=0): | |
| print(("|.."*lvl) + f"{len(t.rows)}") | |
| [show(u, lvl+1) for u in t.kids] | |
| if not t.kids: | |
| print(("|.."*lvl) + f"{len(t.rows)}") | |
| #------------------------------------------------------------------------------- | |
| def coerce(x): | |
| for f in (int,float): | |
| try: return f(x) | |
| except: pass | |
| return x | |
| def csv(path): | |
| with open(path, encoding="utf-8") as f: | |
| for s in f: | |
| if (s := re.sub(r"\s+|#.*", "", s)): | |
| yield [coerce(s1) for s1 in s.split(",")] | |
| def eg__the(_): print(the) | |
| def eg__seed(s): the.seed=coerce(s); random.seed(the.seed) | |
| random.seed(the.seed) | |
| if __name__ == "__main__": | |
| for i,s in enumerate(sys.argv): | |
| if "eg__"+s[1:] in vars(): | |
| vars()["eg__"+s[1:]]( sys.argv[i+1] if i>len(sys.argv) else None ) | |
| show(tree(load(csv(the.file)).rows)) |
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