linkify script initial

wiki-tools/linkifyurls.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+# These two functions are used to escape variables for use in a sed command
+# Passed a single string
+escape() {
+  sed 's/[^^]/[&]/g; s/\^/\\^/g' <<<"$1";
+}
+export -f escape
+escapeReplace() {
+  sed 's/[&/\]/\\&/g' <<<"$1";
+}
+export -f escapeReplace
+
+# Main processing function
+# Passed the path to a .md file
+searchfile() {
+  while IFS= read -r -u 3 link; do
+    echo $link
+    read -m "Enter a title or leave empty to use URL as title: " TITLE
+    if [ $(echo -n "$TITLE" | wc -c) -lt 1 ]; then
+      TITLE="$link"
+    fi
+    REPLACE=$(escape "$link")
+    REPLACEWITH=$(escapeReplace '['"$TITLE"']''('"$link"')')
+    sed -i "s/$REPLACE/$REPLACEWITH/" "$1"
+  done 3< <(grep -oP '((?<!\()http[s]?:\/\/[^\s]*)' "$1")
+}
+export -f searchfile
+
+# run searchfile on every .md file in the repo
+find . -iname "*.md" -exec bash -c 'searchfile "$0"' {} \;