From 6aff45a10bfcbcec95e7306c6563a249303319db Mon Sep 17 00:00:00 2001
From: Dave Morriss <Dave.Morriss@gmail.com>
Date: Fri, 23 Aug 2024 21:17:21 +0100
Subject: [PATCH] Minor updates

InternetArchive/repair_assets: Accidentally reverset the "sanity check"
    logic, so put it back the right way!

InternetArchive/view_derivatives: Started on the POD documentation but
    didn't get very far.
---
 InternetArchive/repair_assets    | 13 +++++++------
 InternetArchive/view_derivatives |  4 ++--
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/InternetArchive/repair_assets b/InternetArchive/repair_assets
index 644f7ca..912236c 100755
--- a/InternetArchive/repair_assets
+++ b/InternetArchive/repair_assets
@@ -17,7 +17,7 @@
 #       AUTHOR: Dave Morriss (djm), Dave.Morriss@gmail.com
 #      VERSION: 0.0.8
 #      CREATED: 2024-05-10 21:26:31
-#     REVISION: 2024-08-22 21:48:44
+#     REVISION: 2024-08-23 11:55:25
 #
 #===============================================================================
 
@@ -64,18 +64,19 @@ define_colours
 #
 # Sanity checks. Calling 'command' on a non-existent script/program will
 # return an empty string. This works for built-in stuff and things on the
-# PATH.
+# PATH. These are all 'true' tests with the stuff in braces being run if they
+# are not true.
 #
 IA=$(command -v ia)
-[ -z "$IA" ] || { echo "Program 'ia' was not found"; exit 1; }
+[ -n "$IA" ] || { echo "Program 'ia' was not found"; exit 1; }
 Q2T=$(command -v query2tt2)
-[ -z "$Q2T" ] || { echo "Program 'query2tt2' was not found"; exit 1; }
+[ -n "$Q2T" ] || { echo "Program 'query2tt2' was not found"; exit 1; }
 FIXAL="$BASEDIR/fix_asset_links"
 [ -e "$FIXAL" ] || { echo "Program '$FIXAL' was not found"; exit 1; }
 TUNNEL_IS_OPEN=$(command -v tunnel_is_open)
-[ -z "$TUNNEL_IS_OPEN" ] || { echo "Program 'tunnel_is_open' was not found"; exit 1; }
+[ -n "$TUNNEL_IS_OPEN" ] || { echo "Program 'tunnel_is_open' was not found"; exit 1; }
 OPEN_TUNNEL=$(command -v open_tunnel)
-[ -z "$OPEN_TUNNEL" ] || { echo "Program 'open_tunnel' was not found"; exit 1; }
+[ -n "$OPEN_TUNNEL" ] || { echo "Program 'open_tunnel' was not found"; exit 1; }
 
 #
 # Make temporary files and set traps to delete them
diff --git a/InternetArchive/view_derivatives b/InternetArchive/view_derivatives
index 8d211aa..28ed5f6 100755
--- a/InternetArchive/view_derivatives
+++ b/InternetArchive/view_derivatives
@@ -377,13 +377,13 @@ __END__
 
 =head1 NAME
 
-<application name> - <One line description of application's purpose>
+view_derivatives - <One line description of application's purpose>
 
 =head1 VERSION
 
 The initial template usually just has:
 
-This documentation refers to <application name> version 0.0.2
+This documentation refers to view_derivatives version 0.0.2
 
 
 =head1 USAGE