initial commit

1 files changed, 30 insertions, 0 deletions

diff --git a/seq b/seq
new file mode 100755
index 0000000..585087b
--- /dev/null
+++ b/seq
@@ -0,0 +1,30 @@
+# SYNOPSIS
+#       seq [OPTION]... LAST
+#       seq [OPTION]... FIRST LAST
+#       seq [OPTION]... FIRST INCREMENT LAST
+
+FIRST=1
+INCREMENT=1
+
+if [ $# -eq 3 ]; then
+	FIRST=$1
+	INCREMENT=$2
+	LAST=$3
+elif [ $# -eq 2 ]; then
+	FIRST=$1
+	LAST=$2;
+elif [ $# -eq 1 ]; then
+	LAST=$1
+else
+	printf 'use one of:\n'
+	printf '\tseq LAST\n'
+	printf '\tseq FIRST LAST\n'
+	printf '\tseq FIRST INCREMENT LAST\n'
+	exit 1
+fi
+
+i=$FIRST
+while [ $i -lt $LAST ]; do
+	printf '%d\n' $i
+	i=$((i + INCREMENT))
+done