From c7dcc0eca98d2f5976f4d2fb4b74cc0fe3474883 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Sun, 25 May 2025 13:29:31 +0200
Subject: stop depend on Markdown pager bat(cat), and prefer glow if available

---
 _make/quarto.mk | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/_make/quarto.mk b/_make/quarto.mk
index a52f435..5e2fe8a 100644
--- a/_make/quarto.mk
+++ b/_make/quarto.mk
@@ -11,8 +11,11 @@
 #
 # Dependencies:
 #  * quarto <https://quarto.org/>
-#  * bat <https://github.com/sharkdp/bat>, with executable named "batcat"
 #  * perl v5.10.1 or newer
+#
+# Suggestions:
+#  * glow <https://github.com/charmbracelet/glow>
+#  * bat <https://github.com/sharkdp/bat>, with executable named "batcat"
 
 # list of relative paths to directories,
 # each containing an index.qmd file.
@@ -27,6 +30,13 @@
 DOCUMENT_APPENDIX_REGEX ?= Appendix\\b
 DOCUMENT_BIBLIOGRAPHY_REGEX ?= Bibliography\\b
 
+# pick as decent a Markdown pager as locally available
+_which = $(shell command -v $1 >/dev/null 2>&1 && echo $1 $2)
+CAT ?= $(strip $(or \
+ $(call _which,glow,--pager),\
+ $(call _which,batcat,--language markdown),\
+ cat))
+
 PDF_DOCUMENTS ?= $(patsubst %.qmd,_site/%.pdf,$(DOCUMENTS))
 
 $(DOCUMENTS:%=doc-render-%): doc-render-%: _site/%.pdf
@@ -35,7 +45,7 @@ _site/%.pdf: %.qmd
 
 $(DOCUMENTS:%=doc-screening-of-%): doc-screening-of-%: %.qmd
 	QUARTO_LOG_LEVEL=quiet \
-	quarto render $< --to markdown --output - | batcat --file-name index.qmd --language markdown
+	quarto render $< --to markdown --output - | $(CAT)
 
 # count all characters except horisontal rulers,
 # until appendices
-- 
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