can specify multiple index topics for template::inline::index

2 files changed, 18 insertions, 16 deletions

diff --git a/README.md b/README.md
index 6aa4ceb..c0f6a79 100644
--- a/README.md
+++ b/README.md
@@ -150,17 +150,18 @@ Another thing you can do is to insert an index with links to similar blog posts.
 ```
 See more entries about DTail:
 
-<< template::index dtail
+<< template::inline::index dtail golang
 
 Blablabla...
 ```
 
-... scans all other post entries with `dtail` in the file name and generates a link list like this:
+... scans all other post entries with `dtail` and `golang` in the file name and generates a link list like this:
 
 ```
-See more entries about DTail:
+See more entries about DTail and Golang:
 
 => ./2022-10-30-installing-dtail-on-openbsd.gmi 2022-10-30 Installing DTail on OpenBSD
+=> ./2022-04-22-programming-golang.gmi 2022-04-22 The Golang Programming language
 => ./2022-03-06-the-release-of-dtail-4.0.0.gmi 2022-03-06 The release of DTail 4.0.0
 => ./2021-04-22-dtail-the-distributed-log-tail-program.gmi 2021-04-22 DTail - The distributed log tail program (You are currently reading this)
 
diff --git a/lib/template.source.sh b/lib/template.source.sh
index c4d054d..a8cc9ac 100644
--- a/lib/template.source.sh
+++ b/lib/template.source.sh
@@ -65,20 +65,21 @@ template::_line () {
 }
 
 # Can be used from a .gmi.tpl template for generating an index for a given topic.
-template::index () {
-    local -r topic="$1"; shift
-
-    while read -r gmi_file; do
-        local date=$(cut -d- -f1,2,3 <<< "$gmi_file")
-        local title=$($SED -n "/^# / { s/# //; p; q; }" "$gmi_file")
-
-        local current=''
-        if [ "$gmi_file" = "$CURRENT_GMI" ]; then
-            current=" (You are currently reading this)"
-        fi
+template::inline::index () {
+    local topic=''
+    for topic in "$@"; do 
+        while read -r gmi_file; do
+            local date=$(cut -d- -f1,2,3 <<< "$gmi_file")
+            local title=$($SED -n "/^# / { s/# //; p; q; }" "$gmi_file")
+
+            local current=''
+            if [ "$gmi_file" = "$CURRENT_GMI" ]; then
+                current=" (You are currently reading this)"
+            fi
 
-        echo "=> ./$gmi_file $date $title$current"
-    done < <(ls | $GREP "$topic.*\\.gmi\$" | sort -r)
+            echo "=> ./$gmi_file $date $title$current"
+        done < <(ls | $GREP "$topic.*\\.gmi\$")
+    done | sort -r | uniq
 }
 
 template::test () {