1 files changed, 124 insertions, 0 deletions
diff --git a/gen.sh b/gen.sh
new file mode 100755
index 0000000..b3f0512
--- /dev/null
+++ b/gen.sh
@@ -0,0 +1,124 @@
+#!/usr/bin/env sh
+
+WORKDIR=$PWD
+OUTDIR=out
+verbose=0 # Variables to be evaluated as shell arithmetic should be initialized to a default or validated beforehand.
+
+usage="$(basename "$0") [-h] [-v -w WORKDIR -f FILE]
+
+where:
+    -w  set the working directory (default: ${WORKDIR})
+    -o  set the output directory (default: ${OUTDIR})
+
+    -h  show this help text
+    -v  verbose output (multiple flags increase verbosity)
+        (ex: '-v -v')
+"
+
+while :; do
+        case $1 in
+        -h | -\? | --help) # Call a "show_help" function to display a synopsis, then exit.
+                echo "$usage"
+                exit
+                ;;
+        -v)
+                verbose=$((verbose + 1)) # Each -v argument adds 1 to verbosity.
+                ;;
+        -w) # Takes an option argument, ensuring it has been specified.
+                if [ -n "$2" ]; then
+                        WORKDIR=$2
+                        shift
+                fi
+                ;;
+        -w=?*)
+                WORKDIR=${1#*=} # Delete everything up to "=" and assign the remainder.
+                ;;
+        -w=) # Handle the case of an empty --file=
+                printf 'ERROR: "-w" requires a non-empty option argument.\n' >&2
+                exit 1
+                ;;
+        -o) # Takes an option argument, ensuring it has been specified.
+                if [ -n "$2" ]; then
+                        OUTDIR=$2
+                        shift
+                fi
+                ;;
+        -o=?*)
+                OUTDIR=${1#*=} # Delete everything up to "=" and assign the remainder.
+                ;;
+        -o=) # Handle the case of an empty --file=
+                printf 'ERROR: "-o" requires a non-empty option argument.\n' >&2
+                exit 1
+                ;;
+        --) # End of all options.
+                shift
+                break
+                ;;
+        -?*)
+                printf 'WARN: Unknown option (ignored): %s\n' "$1" >&2
+                ;;
+        *) # Default case: If no more options then break out of the loop.
+                break ;;
+        esac
+        shift
+done
+
+#### HEADER ####
+HEADER=$(cat <<EOF
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Glue Code Journal</title>
+    <style type="text/css">
+    body {
+        margin: 40px
+        auto;
+        max-width: 650px;
+        line-height: 1.6;
+        font-size: 18px;
+        color: #444;
+        padding: 0
+        10px
+    }
+
+    h1, h2, h3 {
+        line-height: 1.2
+    }
+    </style>
+</head>
+
+EOF
+)
+
+#### FOOTER ####
+FOOTER=$(cat <<EOF
+
+</body>
+</html>
+EOF
+)
+### PROCESS Files ####
+# Make out dir
+if [ ! -d "${OUTDIR}" ]; then mkdir ${OUTDIR} ; fi
+
+MDLIST=$(eval "find ${WORKDIR} -type f -name \"*.md\" ")
+for m in $MDLIST; do
+	# shortpath trims the working directory prefix and the '.git' suffix from the directory
+        shortpath=$(eval "echo $m | sed -e 's,${WORKDIR}/,,' ")
+        dirpath=$(eval "echo $m | sed -e 's,${WORKDIR}/,,' -e 's,/.*.md$,,' ")
+        filename=$(eval "echo $m | sed -e 's,${WORKDIR}/,,' -e 's,${dirpath}/,,' -e 's,\.md,,' ")
+	if [ $verbose -gt 0 ]; then
+		echo "Processing: ${shortpath}, ${dirpath} ${filename}"
+	fi
+	if [ ! -d "${OUTDIR}/${dirpath}" ]; then mkdir ${OUTDIR}/${dirpath} ; fi
+	
+	echo $HEADER > "${OUTDIR}/${dirpath}/${filename}.html"
+	cmark --safe --validate-utf8 -t html --width 80 $m >> "${OUTDIR}/${dirpath}/${filename}.html"
+	echo $FOOTER >> "${OUTDIR}/${dirpath}/${filename}.html"
+
+	if [ $verbose -gt 0 ]; then
+		echo "Created: ${OUTDIR}/${dirpath}/${filename}.html"
+	fi
+done