> printf( "%s\n", AlignColumns( txt ) ):
   Given        a         text       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.
> printf( "%s\n", AlignColumns( txt, "center" ) ): # same as above
   Given        a         text       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.
> printf( "%s\n", AlignColumns( txt, "left" ) ):
Given      a          text       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.
> printf( "%s\n", AlignColumns( txt, "right" ) ):
      Given          a       text       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.