From 24d8c07c007cd85e3407118e351c82291fa87e37 Mon Sep 17 00:00:00 2001
From: Tom Ryder <tom@sanctum.geek.nz>
Date: Thu, 23 Jul 2015 14:49:35 +1200
Subject: More detail for pa() and pan() funcs

---
 bash/bashrc.d/pa.bash  | 2 +-
 bash/bashrc.d/pan.bash | 6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

(limited to 'bash')

diff --git a/bash/bashrc.d/pa.bash b/bash/bashrc.d/pa.bash
index 6c3531f0..3a7b8398 100644
--- a/bash/bashrc.d/pa.bash
+++ b/bash/bashrc.d/pa.bash
@@ -1,4 +1,4 @@
-# Print arguments
+# Print arguments, one per line. Compare pan().
 pa() {
     if (($#)) ; then
         printf '%s\n' "$@"
diff --git a/bash/bashrc.d/pan.bash b/bash/bashrc.d/pan.bash
index 14cd3625..97de3917 100644
--- a/bash/bashrc.d/pan.bash
+++ b/bash/bashrc.d/pan.bash
@@ -1,6 +1,8 @@
 # Print arguments, null-delimited; you will probably want to write this into a
-# file or as part of a pipeline
+# file or as part of a pipeline. Compare pa().
 pan() {
-    printf '%s\0' "$@"
+    if (($#)) ; then
+        printf '%s\0' "$@"
+    fi
 }
 
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