got the preview ready to handle both with calibre and without

book_search_preview.sh

@@ -1,11 +1,36 @@
 #!/bin/bash
 
+##############################################################################
+#  
+#  books_search_preview.sh 
+#  By Steven Saus 
+#  (c) 2024; licensed under the MIT license
+#
+###############################################################################
+
 Instring="$@" 
 ID=$(echo "${Instring}" | awk '{print $1}')
-#Command=$(echo "$Instring" | sed 's/ (/./g' | sed 's/)//g' | sed 's/:man:/:man -Pcat:/g' | awk -F ':' '{print $2 " " $1}')
-# install unhtml from pacakage manager
-if [ -f $(which unhtml) ];then 
-    calibredb show_metadata "${ID}" | unhtml 
+
+# if the first bit is an ID, I'm assuming it's from calibredb and in that format
+# otherwise, it's my "old" filename-based format, which would still be useful if 
+# you are NOT using Calibre, but are using something else to manage your library
+# but have tagged your ebooks.
+#
+
+if [ "$ID" -eq "$ID" ] 2>/dev/null
+then
+    # install unhtml from pacakage manager
+    if [ -f $(which unhtml) ];then 
+        calibredb show_metadata "${ID}" | unhtml 
+    else
+        calibredb show_metadata "${ID}" 
+    fi
 else
-    calibredb show_metadata "${ID}" 
+    # xargs to trim whitespace
+    FILENAME=$(echo "${Instring}" | awk -F '|' '{print $4}' | xargs )
+    if [ -f $(which unhtml) ];then 
+        exiftool "${FILENAME}" | unhtml 
+    else
+        exiftool "${FILENAME}"
+    fi
 fi