# # Chet Ramey # # Copyright 1995 Chester Ramey # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # TThis program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software Foundation, # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # Generate a sequence from m to n, m defaults to 1. seq () { declare -i lo hi i # makes local local _SEQ case $# in 1) seq 1 "$1" ; return $? ;; 2) lo=$1 hi=$2 i=$lo _SEQ="" while let "i <= hi"; do _SEQ="${_SEQ}$i " let i+=1 done echo "${_SEQ# }" return 0 ;; *) echo seq: usage: seq [low] high 1>&2 ; return 2 ;; esac } # like the APL `iota' function (or at least how I remember it :-) iota() { case $# in 1) seq 1 "$1"; return $?;; *) echo "iota: usage: iota high" 1>&2; return 2;; esac }