Improve HTML formatting

Author: daviduhden

articles/linux-hardening.html

@@ -11,7 +11,6 @@
 <body>
   <header>
     <h1>Linux Hardening Guide</h1>
-
     <nav>
       <ul>
         <li>

contact.html

@@ -11,7 +11,6 @@
 <body>
   <header>
     <h1>Contact Us</h1>
-
     <nav>
       <ul>
         <li>

index.html

@@ -11,7 +11,6 @@
 <body>
   <header>
     <h1>The Cyberpunk Handbook</h1>
-
     <nav>
       <ul>
         <li>

license.html

@@ -11,7 +11,6 @@
 <body>
   <header>
     <h1>License</h1>
-
     <nav>
       <ul>
         <li>

manifesto.html

@@ -11,7 +11,6 @@
 <body>
   <header>
     <h1>Manifesto</h1>
-
     <nav>
       <ul>
         <li>

scripts/format-html-tidy.ksh

@@ -1,9 +1,27 @@
 #!/bin/ksh
-set -eu
+
+# If we are NOT already running under ksh93, try to re-exec with ksh93.
+# If ksh93 is not available, fall back to the base ksh (OpenBSD /bin/ksh).
+case "${KSH_VERSION-}" in
+  *93*) : ;;  # already ksh93
+  *)
+    if command -v ksh93 >/dev/null 2>&1; then
+      exec ksh93 "$0" "$@"
+    elif [ -x /usr/local/bin/ksh93 ]; then
+      exec /usr/local/bin/ksh93 "$0" "$@"
+    elif command -v ksh >/dev/null 2>&1; then
+      exec ksh "$0" "$@"
+    elif [ -x /bin/ksh ]; then
+      exec /bin/ksh "$0" "$@"
+    fi
+  ;;
+esac
+
+set -u
 
 # Script to format HTML files using tidy
 #
-# Copyright (c) 2025 The Cyberpunk Handbook Authors
+# Copyright (c) 2025 David Uhden Collado <david@uhden.dev>
 #
 # Permission to use, copy, modify, and distribute this software for any
 # purpose with or without fee is hereby granted, provided that the above
@@ -17,11 +35,19 @@ set -eu
 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-# Prefer ksh93 when available; fallback to base ksh
-if [ -z "${_KSH93_EXECUTED:-}" ] && command -v ksh93 >/dev/null 2>&1; then
-    _KSH93_EXECUTED=1 exec ksh93 "$0" "$@"
+# Basic PATH (important when run from cron)
+PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin
+export PATH
+
+if [ -t 1 ] && [ "${NO_COLOR:-}" != "1" ]; then
+  GREEN="\033[32m"; YELLOW="\033[33m"; RED="\033[31m"; RESET="\033[0m"
+else
+  GREEN=""; YELLOW=""; RED=""; RESET=""
 fi
-_KSH93_EXECUTED=1
+
+log()   { print "$(date '+%Y-%m-%d %H:%M:%S') ${GREEN}[INFO]${RESET} ✅ $*"; }
+warn()  { print "$(date '+%Y-%m-%d %H:%M:%S') ${YELLOW}[WARN]${RESET} ⚠️ $*" >&2; }
+error() { print "$(date '+%Y-%m-%d %H:%M:%S') ${RED}[ERROR]${RESET} ❌ $*" >&2; }
 
 ROOT=${1:-$(cd -- "$(dirname -- "$0")/.." && pwd)}
 
@@ -31,26 +57,33 @@ ensure_tidy() {
   fi
 
   if command -v pkg_add >/dev/null 2>&1; then
-    print "tidy not found; attempting installation with pkg_add ..." >&2
+    warn "tidy not found; attempting installation with pkg_add ..."
     if pkg_add -v tidy; then
       return 0
     fi
-    print "error: pkg_add failed to install tidy" >&2
+    error "pkg_add failed to install tidy"
   else
-    print "error: tidy is not installed and pkg_add is unavailable" >&2
+    error "tidy is not installed and pkg_add is unavailable"
   fi
 
   return 1
 }
 
-ensure_tidy || exit 1
-
-# find on OpenBSD lacks -print0; use newline delim and handle spaces via IFS
-find "$ROOT" -type f -name '*.html' | while IFS= read -r file; do
-  tidy -indent -quiet -wrap 0 -utf8 \
-    --indent-spaces 2 \
-    --tidy-mark no \
-    --preserve-entities yes \
-    --vertical-space yes \
-    -modify "$file" || echo "warning: tidy issues in $file" >&2
-done
+format_html_files() {
+  # find on OpenBSD lacks -print0; use newline delim and handle spaces via IFS
+  find "$ROOT" -type f -name '*.html' | while IFS= read -r file; do
+    tidy -indent -quiet -wrap 80 -utf8 \
+      --indent-spaces 2 \
+      --tidy-mark no \
+      --preserve-entities yes \
+      --vertical-space yes \
+      -modify "$file" || warn "tidy issues in $file"
+  done
+}
+
+main() {
+  ensure_tidy || exit 1
+  format_html_files
+}
+
+main "$@"