Importing featured image to posts, duplicates the image

You can use wp media import to import the image once. Once you have the ID for the attachment created, you can run:

wp post list --post_type=post --format=ids | xargs -0 -d ' ' -I % wp post meta add % _thumbnail_id <thumbnail-id>

Make sure to replace <thumbnail-id> with the actual attachment ID.

Related Posts:

  1. wp-cli regenerate media is not working for custom sizes
  2. Moving Featured Images
  3. Why not attaching images after impoting using wp cli
  4. wp media regenerate says “no regeneration needed” whe that’s no the case
  5. How do I regenerate thumbnails?
  6. Add Title Attribute to WordPress Image the_post_thumbnail
  7. Replacing Gutenberg Featured Image control?
  8. oEmbed, thumbnails and wordpress
  9. How do I add the featured image to the_content after the first paragraph?
  10. the_post_thumbnail scaling not hard cropping
  11. How to show featured image CAPTION only if it exist
  12. Featured Image Inherited from Parent Page
  13. Change wording of default thumbnail metabox
  14. Specific featured image for each category
  15. how to pull images with no add_theme_support(‘post_thumbnails’)
  16. Can WordPress crop only the post thumbnails?
  17. Query the post which have a thumbnail
  18. Featured image for news page
  19. How to show a featured image as current?
  20. How can I get a different image size, if all I have is the link?
  21. Show current page featured image in sidebar
  22. Why are extra 92 pixel square thumbnails created?
  23. Wrap post thumbnail with
  24. Remove dimensions from filename featured image
  25. PDF Image in content
  26. Featured Image Size Conditional Tag?
  27. How can I call a thumbnail/featured image to be a background image?
  28. Why does the Hard Crop option Scale?
  29. How to add post featured image url to inline background url()?
  30. Post Thumbnails multiple sizes
  31. Long Post Title Misaligning Grid with Featured Image
  32. How to add multiple featured images to post/page without a plugin
  33. How do I set “Upload Image” as detault “Set Featured Image” window?
  34. Featured Image won’t display on Posts page
  35. Get post thumbnail from subpages with a foreach loop
  36. Getting images to show up in RSS Reader
  37. how i can increase Featured thumbnails size?
  38. the_post_thumbnail() Custom sizes not display correctly
  39. Set_post_thumbnail not resizing images
  40. How to inject attributes into get_the_post_thumbnail?
  41. MultiPostThumbnails for Custom Post Type
  42. Muliple featured images (or just images) per post
  43. WordPress Featured Image function recreate
  44. Using Featured Image as Hero Background
  45. How can I use a static (ish) URL for the featured image for a post?
  46. wp_get_attachment_image_src match smallest edge
  47. Can’t Set Featured Image [closed]
  48. Resize post thumbnail produces horrible image quality..Any help?
  49. media-library: how to insert thumbnails with a fixed width, regardless of landscape/portrait orientation
  50. Post thumbnail outside of loop
  51. query_posts adding two “post-entry” divs
  52. Display a thumbnail outside of the loop for a page
  53. How to use get_the_title with text on the ‘alt’ of the_thumbnail array?
  54. remove_image_size doesn’t seem to be working
  55. Get Featured Image Outside Loop Not Working
  56. Responsive scaling of image for the_post_thumbnail() [closed]
  57. images not showing despite using add_theme_support(‘post-thumbnails’);
  58. post thumbnail: increase dimension if smaller than… Possible?
  59. How do I make images appear in the beside blog post summaries?
  60. Displaying caption with featured image
  61. add_theme_support post-thumbnails not working
  62. Trying to show WordPress category query result as background image
  63. How risize a thumbnail?
  64. custom thumbnail image size not working
  65. Comparison Operators not working for conditional author post thumbnails
  66. Assign SQL ‘post_thumbnail’ column as featured image
  67. Default thumb – how to set it
  68. Add image size array to a portfolio thumbnail in combination with Masonry Jquery Plugin
  69. Define width of featured image thumbnails, but also make responsive?
  70. Add title to image post
  71. How to attach images that I “insert from url” into the post?
  72. If no featured image, add one of the default images into DB
  73. How to update custom image sizes?
  74. featured images twenty eleven theme
  75. Picture inserted in the post not showing in “Gallery”
  76. featured image is not showing
  77. How to change the format of thumbnails into wordpress theme?
  78. How to calculate the sum of all featured thumbnail height on WordPress?
  79. Adding guiding text to the ‘Featured Image’-box in the backend
  80. How to create thumbnails programmatically?
  81. Usage of add_image_size (for featured image)
  82. Featured image: Dynamic image sizes when enlarged with javascript
  83. Smaller Size for featured images
  84. Featured image doesn’t appear in Blog index
  85. Remove Featured Image based on Date
  86. How to show only 2nd featured img on home/blog
  87. Echo recent posts each with its own respective featured image
  88. How to get post thumbnail to be equal to set media size
  89. Add notice to add image popup
  90. Mass/Bulk assign featured images to posts
  91. Pointing Existing featured images to s3 bucket
  92. setting featured image is not working while running script in background, works when running that script from browser
  93. Get all images from posts with maximum number and without featured image
  94. How to modify responsive images in post thumbnails
  95. get_the_post_thumbnail() – Invalid argument supplied for foreach() in /wp-includes/post-thumbnail-template.php on line 64
  96. Different thumbnail size than actual picture in post
  97. How to get the featured image inside of a single-.php template?
  98. Where is the template from the_post_thumbnail()?
  99. Get Post Thumbnail Outside of Loop
  100. Theme:Twenty Fourteen, How to remove featured image on single post page for particular category