summaryrefslogtreecommitdiffstats
path: root/examples/functions/seq
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 06:17:24 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 06:17:24 +0000
commit9d8085074991d5c0a42d6fc96a2d1a3ee918aad1 (patch)
treec85bca1e6c11eb872edfc64c524d20f2b7e3307b /examples/functions/seq
parentInitial commit. (diff)
downloadbash-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/seq48
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
+}