#+TITLE: My Own Library of Babel

* =get-password= - Get Password from =pass=

#+name: get-password
#+begin_src bash :var passname="""
  pass $passname | sed -n 1p
#+end_src

* =pdf2svg= - Export to pdf/png/svg at the same time

#+name: pdf2svg
#+begin_src sh :var file="" :var ext="svg" :results output
  _mydir="$(pwd)";
  file=$(echo "$file" | cut -f 2- -d ':');
  _figdir=$(dirname "$file");
  cd $_figdir;
  filename=$(echo "${file##*/}" | cut -f 1 -d '.');
  pdftocairo -png -transp -singlefile "$filename.pdf";
  pdftocairo -svg "$filename.pdf";
  cd "$_mydir";
  echo "[[file:$_figdir/$filename.$ext]]"
#+end_src

* =addhdr= - Add hline to tables

#+name: addhdr
#+begin_src emacs-lisp :var tbl=""
  (cons (car tbl) (cons 'hline (cdr tbl)))
#+end_src

* Matlab Related
** =matlab-dir= Go to current directory

#+name: matlab-dir
#+begin_src matlab :tangle no :results none :exports none :var current_dir=""
  %% Go to current Directory
  cd(current_dir);

  %% Initialize ans with org-babel
  ans = 0;
#+end_src

** =matlab-init= Initialize matlab

#+name: matlab-init
#+begin_src matlab :results none :exports none
  %% Clear Workspace and Close figures
  clear; close all; clc;

  %% Intialize Laplace variable
  s = zpk('s');
#+end_src

** =plt-matlab= Plot figures
Some variable can be set by block that expands this org source code block:
- =path=: specify the path of the figure including the file extension. Can be relative or absolute. If not provided, it will create the figure in the =/tmp= folder
- =fig_size=: can specify the size of the figure. If not specify, default will be applied.

#+name: plt-matlab
#+begin_src matlab :results value raw replace :exports code :var filepath="" :var figsize="normal-normal"
  if ~exist('filepath') || length(filepath) < 2
    symbols = ['a':'z' 'A':'Z' '0':'9'];
    random_string = symbols(randi(numel(symbols),[1 5]));
    filepath = ['/tmp/matlab-fig-', random_string];
  end

  size_strings = strsplit(figsize, '-');

  ans = exportFig(filepath, 'width', size_strings{1}, 'height', size_strings{2});
#+end_src