V txt = ‘Given$a$txt$file$of$many$lines,$where$fields$within$a$line$
are$delineated$by$a$single$'dollar'$character,$write$a$program
that$aligns$each$column$of$fields$by$ensuring$that$words$in$each$
column$are$separated$by$at$least$one$space.
Further,$allow$for$each$word$in$a$column$to$be$either$left$
justified,$right$justified,$or$center$justified$within$its$column.’

V parts = txt.split("\n").map(line -> line.rtrim(‘$’).split(‘$’))
V max_widths = [0] * parts[0].len
L(line) parts
   L(word) line
      max_widths[L.index] = max(max_widths[L.index], word.len)

((String, Int) -> String) ljust = (s, w) -> s‘’(‘ ’ * (w - s.len))
((String, Int) -> String) centr = (s, w) -> (‘ ’ * (w - s.len - (w I/ 2 - s.len I/ 2)))‘’s‘’(‘ ’ * (w I/ 2 - s.len I/ 2))
((String, Int) -> String) rjust = (s, w) -> (‘ ’ * (w - s.len))‘’s

L(justify) [ljust, centr, rjust]
   print([‘Left’, ‘Center’, ‘Right’][L.index]‘ column-aligned output:’)
   L(line) parts
      L(word) line
         print(justify(word, max_widths[L.index]), end' ‘ ’)
      print()
   print(‘- ’ * 52)