Tcl is such fun. except for using expr to do math. i mean in other languages a +... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		uwagar 10 months ago \| parent \| context \| favorite \| on: Tcl Tutorial Tcl is such fun. except for using expr to do math. i mean in other languages a + b in Tcl its expr $a + $b thats my only beef.

pwg 10 months ago [–]

Then switch to using "LISP like" math in Tcl:

   $ rlwrap tclsh 
   % namespace path {::tcl::mathop}
   % + 2 4
   6
   % - 6 1
   5
   % - [+ 6 3] [+ 1 1]
   7

uwagar 10 months ago | [–]

this is ok for simple things but using trig functions etc gets hairy to my taste.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact