Ability to override ordering

diff --git a/galgen.zsh b/galgen.zsh
index 86d97c9b2bbaa3c1f9bd6c5f8585e49ed426804b..f1c6253092020a07b0b8b32803d3f8371ffc5142 100755 (executable)
--- a/galgen.zsh
+++ b/galgen.zsh
@@ -1,10 +1,10 @@
 #!/usr/bin/env zsh
 # Copyright (C) 2022-2023 Sergey Matveev <stargrave@stargrave.org>
 
-pagesize=${PAGESIZE:-100}
-
 set -e
-setopt EXTENDED_GLOB
+
+pagesize=${PAGESIZE:-100}
+ordering=${ORDERING:-Om}
 
 djxl2ppm() {
     djxl $1 $1.ppm
@@ -13,7 +13,8 @@ djxl2ppm() {
     rm ${1}-ec1.pgm
 }
 
-imgs=((*.jxl|*.webp~*.preview.webp)(Om))
+setopt EXTENDED_GLOB
+imgs=((*.jxl|*.webp~*.preview.webp)($ordering))
 for (( i=1 ; i <= ${#imgs} ; i++ )) {
     local img=${imgs[$i]}
     echo $i $img