#!/bin/bash
# fmt--text formatting utility that acts as a wrapper for nroff
#   Adds two useful flags: -w X for line width
#   and -h to enable hyphenation for better fills.

while getopts "hw:" opt {
match $opt {
  with h  setglobal hyph = '1'              
  with w  setglobal width = $OPTARG     
}
}
shift $shExpr('$OPTIND - 1')

nroff << """
.ll $(width:-72)
.na
.hy $(hyph:-0)
.pl 1
$[cat @Argv]
"""

exit 0