replaces :: with cut for POSIX compatibility in upp* source files

http/bin/prune_out

@@ -18,7 +18,7 @@ do
 
 	for layout in $(find share/layouts -name "*.layout.upp${out_ext}"); do
 		layout="$(basename "$layout")"
-		layout="${layout::${#layout}-15}"
+		layout="$(echo ${layout} | cut -c1-$(( ${#layout} - 15 )) )"
 		rel_path="$(echo "${out}" | cut -c5-)"
 		base_rel_path="${rel_path%%.${out_ext}}"
 		src_path="src/${base_rel_path}.${layout}.upp${out_ext}"

http/src/blog.upphtml

@@ -51,7 +51,7 @@ for year in $YEARS; do
 #!
 for post in $POSTS; do if [ "$(echo "${post}" | cut -c1-4)" = "$year" ]; then
 title="$(grep "^export TITLE=" "${SRC}/blog/${post}" | cut -c15-)"
-title="${title::${#title}-16}"
+title="$(echo ${title} | cut -c1-$(( ${#title} - 16 )) )"
 date_published="$(echo "${post}" | cut -c1-10)"
 href="${SITE_URL}/blog/$(echo "$post" | cut -c1-10).html"
 #!

http/src/blog/rss.uppxml

@@ -16,9 +16,9 @@ NOW_RFC_822="$(TZ=UT date +"%a, %d %b %Y %H:%M:%S UT")"
 
 #!
 for post in $POSTS; do
-POST_ID="${post::${#post}-13}"
+POST_ID="$(echo ${post} | cut -c1-$(( ${#post} - 13 )) )"
 source "${SRC}/blog/${post}.args"
-DATE_PUBLISHED_RFC_822="$(TZ=UT date --date="${POST_ID::10}" +"%a, %d %b %Y %H:%M:%S UT")"
+DATE_PUBLISHED_RFC_822="$(TZ=UT date --date="$( echo "${POST_ID}" | cut -c1-10)" +"%a, %d %b %Y %H:%M:%S UT")"
 #!
 <item>
 

http/src/microlog.upphtml

@@ -53,9 +53,9 @@ for year in $YEARS; do
 #!
 for post in $POSTS; do if [ "$(echo "${post}" | cut -c1-4)" = "$year" ]; then
 title="$(grep "^export TITLE=" "${SRC}/microlog/${post}" | cut -c15-)"
-title="${title::${#title}-16}"
+title="$(echo "${title}" | cut -c1-$(( ${#title} - 16)) )"
 date_published="$(echo "${post}" | cut -c1-10)"
-href="${SITE_URL}/microlog/${post::${#post}-17}.html"
+href="${SITE_URL}/microlog/$(echo ${post} | cut -c1-$(( ${#post} - 17 )) ).html"
 #!
 
 <li class='h-entry'>

http/src/microlog/rss.uppxml

@@ -18,7 +18,7 @@ NOW_RFC_822="$(TZ=UT date +"%a, %d %b %Y %H:%M:%S UT")"
 for post in $POSTS; do
 POST_ID="${post::${#post}-17}"
 source "${SRC}/microlog/${post}.args"
-DATE_PUBLISHED_RFC_822="$(TZ=UT date --date="${POST_ID::10}" +"%a, %d %b %Y %H:%M:%S UT")"
+DATE_PUBLISHED_RFC_822="$(TZ=UT date --date="$( echo "${POST_ID}" | cut -c1-10)" +"%a, %d %b %Y %H:%M:%S UT")"
 #!
 <item>