From 6778640f84cce092f425ad4ab9a1ec310a08f6d2 Mon Sep 17 00:00:00 2001
From: Mitsuo Tokumori <rtokumori@pucp.edu.pe>
Date: Fri, 24 Nov 2023 23:43:30 -0500
Subject: Small fix to scan_loop.sh

Use bash.  Call the function.
---
 local/bin/scan_loop.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/local/bin/scan_loop.sh b/local/bin/scan_loop.sh
index c0b6321..722e63d 100755
--- a/local/bin/scan_loop.sh
+++ b/local/bin/scan_loop.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # The scan loop is useful when Automatic Document Feeder (ADF) can't be used
 
@@ -25,8 +25,9 @@ flatbed_loop() {
         hp-scan --mode=color --size=a4 --device=$scan_device_uri
         echo "page " $((i + 1)) " done,  you have 4 seconds to load next page"
         sleep 4
-        i=`expr $i + 1`
+        i=$((expr $i + 1))
     done
     # convert *.png output.pdf
 }
 
+flatbed_loop
-- 
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