reverse apply with wp2ff

README.md

@@ -44,6 +44,8 @@ With:
   - post_categories = comma separated categories  // e.g: bloging
 ```
 
+> If you have already posts in your wp site then use `wp2ff.sh` to export all these posts into previously described flat file structure.
+
 ### Import flat file markdown into Wordpress
 
 Once posts folder is ready:

wp2ff.sh

@@ -0,0 +1,62 @@
+#!/bin/bash
+
+function usage {
+  echo -e "======================\n"
+  echo " $0 <wordpress dir> <backup dir>"
+  echo ""
+}
+
+if [ "$#" -lt 1 ]; then
+  echo -e "\n======================"
+    echo "ERROR: Illegal number of parameters"
+    usage
+    exit 1
+fi
+
+wordpress_dir=$1
+BACKUP_DIR=${2:-./}/posts-backup-$(date +%Y%m%d%H%M)}
+mkdir -p $BACKUP_DIR
+
+cd $wordpress_dir
+
+# export no posts
+wp export --dir=$BACKUP_DIR --post_type__not_in=post,revision --skip_comments
+
+wp post list --post_type=post --field=ID | while read postId; do
+
+  # year of post
+  post_year=$(wp post get --field=post_date $postId | cut -d'-' -f1)
+
+  post_dir_name=$postId
+  echo "export $postId to $BACKUP_DIR/$post_year/$post_dir_name"
+
+  # create post dir
+  BACKUP_POST_DIR=$BACKUP_DIR/$post_year/$post_dir_name
+  mkdir -p $BACKUP_POST_DIR
+
+  # export post content
+  wp post get $postId --field=post_content > $BACKUP_POST_DIR/content.md
+
+  # post properties
+  post_date="$(wp post get $postId --field=post_date)"
+  post_date_gmt="$(wp post get $postId --field=post_date_gmt)"
+  post_title="$(wp post get $postId --field=post_title)"
+  post_status=$(wp post get $postId --field=post_status)
+  post_author=$(wp post get $postId --field=post_author)
+
+  # post tags
+  post_tags=$(wp post term list $postId post_tag --fields=name --format=csv | tail -n +2 | tr '\n' ',' | sed 's/,$//')
+
+  # post categories
+  post_categories=$(wp post term list $postId category --fields=name --format=csv | tail -n +2 | tr '\n' ',' | sed 's/,$//')
+
+  # export properties to properties file
+  echo "post_date       = $post_date"       >> $BACKUP_POST_DIR/prop.properties
+  echo "post_date_gmt   = $post_date_gmt"   >> $BACKUP_POST_DIR/prop.properties
+  echo "post_title      = $post_title"      >> $BACKUP_POST_DIR/prop.properties
+  echo "post_status     = $post_status"     >> $BACKUP_POST_DIR/prop.properties
+  echo "post_author     = $post_author"     >> $BACKUP_POST_DIR/prop.properties
+  echo "post_tags       = $post_tags"       >> $BACKUP_POST_DIR/prop.properties
+  echo "post_categories = $post_categories" >> $BACKUP_POST_DIR/prop.properties
+done
+