gistfile1.txt

# generating a list of 50 post permalinks
for pid in $(wp post list --field=ID --posts_per_page=50); do wp eval "echo get_the_permalink( $pid ).\"\n\"; "; done > url.txt

# posts and pages
for pid in $(wp post list --field=ID --posts_per_page=50 --post_type=post,page); do wp eval "echo get_the_permalink( $pid ).\"\n\"; "; done > url.txt

# random sample
for pid in $(wp post list --field=ID --posts_per_page=50 --post_type=post,page --orderby=rand); do wp eval "echo get_the_permalink( $pid ).\"\n\"; "; done > url.txt