From: Paul Hänsch <paul@plutz.net>
Date: Wed, 16 Oct 2019 12:13:01 +0000 (+0200)
Subject: better portability
X-Git-Url: http://git.plutz.net/?p=clickslide;a=commitdiff_plain;h=6f30b5e9508fdeb5506d8fb1718db8c757329048

better portability
---

diff --git a/clickslide.sh b/clickslide.sh
index b1fd229..7024914 100755
--- a/clickslide.sh
+++ b/clickslide.sh
@@ -8,6 +8,9 @@ _base64() {
   if which uuencode >/dev/null; then
     uuencode -m - <"$1" \
     | sed '1d; :X;$!{N;bX;}; s;\n;;g; s;=\+;;g;'
+  elif which busybox >/dev/null; then
+    busybox uuencode -m - <"$1" \
+    | sed '1d; :X;$!{N;bX;}; s;\n;;g; s;=\+;;g;'
   else
     base64 <"$1" \
     | sed ':X;$!{N;bX;}; s;\n;;g; s;=\+;;g;'
@@ -16,13 +19,13 @@ _base64() {
 
 { "${0%/*}"/cgilite/html-sh.sed || cat; } \
 | {
-  line="$(line)"
+  read -r line
   while :; do 
     tag="${tag}${line%%>*}"
   
     if [ "$line" = "${line%%>*}" ]; then
       # $line did not contain ">" and thus was added to $tag entirely
-      if ! line="$(line)"; then
+      if ! read -r line; then
         printf %s\\n "$tag"
         break
       fi
@@ -30,7 +33,7 @@ _base64() {
   "
     else
       # $line is shortened by segment added to $tag
-      line="${line#*>}"
+      read -r line
       tag="${tag}>"
     fi