Improve commenting/exit handling in binscripts

1 files changed, 8 insertions, 2 deletions

diff --git a/bin/mktd b/bin/mktd
index 2a8f0e56..afbcf4bb 100755
--- a/bin/mktd
+++ b/bin/mktd
@@ -1,6 +1,12 @@
 #!/bin/sh
 # Try to make a random temp directory
+
+# Get a random seed from rnds(1); if it's empty, that's still workable
 seed=$(rnds)
+
+# Build the intended directory name, with the last element a random integer
+# from 1..2^31
 dn=${TMPDIR:-/tmp}/${1:-mktd}.$$.$(rndi 1 2147483648 "$seed")
-mkdir -m 700 -- "$dn" || exit 1
-printf '%s\n' "$dn"
+
+# Create the directory and print its name if successful
+mkdir -m 700 -- "$dn" && printf '%s\n' "$dn"