set C locale

In all bin shell scripts, set `LC_ALL`, `LANG`, and `LC_NUMERIC` to "C".

Changed all bin shell script VERSION to "2.0.0 2025-03-13".

Tested the above via `make www` on macOS.  Only the sitemap was updated.

bin/entry2csv.sh

@@ -113,12 +113,25 @@ shopt -u dotglob	# disable matching files starting with .
 shopt -u nocaseglob	# disable strict case matching
 shopt -u extglob	# enable extended globbing patterns
 shopt -s globstar	# enable ** to match all files and zero or more directories and subdirectories
-shopt -s lastpipe	# explicitly run the last command of the pipe line in the current shell
+
+
+# other required bash options
+#
+# Requires bash with a version 4.2 or later
+#
+shopt -s lastpipe	# run last command of a pipeline not executed in the background in the current shell environment
+
+
+# IOCCC requires use of C locale
+#
+export LC_ALL="C"
+export LANG="C"
+export LC_NUMERIC="C"
 
 
 # set variables referenced in the usage message
 #
-export VERSION="1.6.1 2024-11-16"
+export VERSION="2.0.0 2025-03-13"
 NAME=$(basename "$0")
 export NAME
 export V_FLAG=0
@@ -654,6 +667,9 @@ fi
 # If -v 3 or higher, print exported variables in order that they were exported.
 #
 if [[ $V_FLAG -ge 3 ]]; then
+    echo "$0: debug[3]: LC_ALL=$LC_ALL" 1>&2
+    echo "$0: debug[3]: LANG=$LANG" 1>&2
+    echo "$0: debug[3]: LC_NUMERIC=$LC_NUMERIC" 1>&2
     echo "$0: debug[3]: VERSION=$VERSION" 1>&2
     echo "$0: debug[3]: NAME=$NAME" 1>&2
     echo "$0: debug[3]: V_FLAG=$V_FLAG" 1>&2