Add bl(1df)

1 files changed, 11 insertions, 0 deletions

diff --git a/bin/bl b/bin/bl
new file mode 100755
index 00000000..b1831387
--- /dev/null
+++ b/bin/bl
@@ -0,0 +1,11 @@
+#!/bin/sh
+# Generate blank lines
+if [ "$#" -ne 1 ] || [ "$1" -lt 0 ] ; then
+    printf >&2 'bl: Non-negative line count needed as sole argument\n'
+    exit 2
+fi
+n=0
+while [ "$n" -lt "${1:-0}" ] ; do
+    printf '\n'
+    n=$((n+1))
+done