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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:17:24 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:17:24 +0000 |
commit | 9d8085074991d5c0a42d6fc96a2d1a3ee918aad1 (patch) | |
tree | c85bca1e6c11eb872edfc64c524d20f2b7e3307b /examples/functions/seq | |
parent | Initial commit. (diff) | |
download | bash-upstream.tar.xz bash-upstream.zip |
Adding upstream version 5.1.upstream/5.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'examples/functions/seq')
-rw-r--r-- | examples/functions/seq | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/examples/functions/seq b/examples/functions/seq new file mode 100644 index 0000000..c1953ee --- /dev/null +++ b/examples/functions/seq @@ -0,0 +1,48 @@ +# +# Chet Ramey <chet.ramey@case.edu> +# +# 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 +} |