1 files changed, 29 insertions, 0 deletions
diff --git a/examples/functions/seq b/examples/functions/seq
new file mode 100644
index 0000000..87c8a2c
--- /dev/null
+++ b/examples/functions/seq
@@ -0,0 +1,29 @@
+# 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
+}