Import Images From A Migrated WordPress


The Logo for WordPress

Here's how to solve a common WordPress problem. I want to re-import all my blog's images into the media library. I've moved my blog to a new host - but kept the same domain name. I started with a new WordPress install, the uploads folder still has all my images, but WordPress can't see them. […] Read More

Fixing Broken Zip Files from Bandcamp - File name too long


I recently downloaded an album from Bandcamp. On trying to extract the zip file using Ubuntu, I got the error "File name too long." This is a known problem with Bandcamp. If you have a problem with long filenames in zip files, here's how to fix it. Quick Solution unzip -p -c whatever.zip "filename.ogg" > […] Read More

Converting filenames to Title Case in Linux


Here's a simple bash one-liner to convert mixed-case filenames into Title Case: rename 's/(\S+)/\u\L$1/g' * This forces the file extension to lower-case as well. Use rename -n to test the command without changing anything on the filesystem. (Adapted from this PerlMonks FAQ.) Background I have a bunch of inconsistently named files like: HERE COMES THE […] Read More

Sort Folders Into Alphabetic Sub-Folders


Scratching my own itch. I have a bunch of directories which I want moved into alphabetic sub-directories. This is handy is you have a bunch of MP3s, books, or other catalogued files. This bash script moves a top level directory (and all the files and subdirectories under it), to a folder based on the (upper-case) […] Read More

Add date metadata to MP4 videos


As ever, notes to myself. I hope you appreciate this future me! Photographs often contain EXIF metadata - really useful for finding out when a photo was taken. It turns out that you can add similar metadata to MP4 format videos. Here's how to do it with ffmpeg on Ubuntu Linux. The magic option is […] Read More

Converting RAR to ZIP in Linux


As ever, mostly notes to myself. RAR is a silly and proprietary format. I prefer free software and I find that ZIP files are smaller and decompress faster. Not everyone agrees, and that's fine. Assuming you've downloaded a RAR file and want to convert it to ZIP, what's the easiest way? Install P7Zip sudo apt-get […] Read More

Reducing the filesize of complex 3D .OBJ models


Loading large 3D Models in the browser is extremely resource intensive. 2D images are trivial to resize and resample with negligible loss of perceived quality. 3D resizing is complex. As part of my "Pirate Museum" I wanted to display 3D scans of statues using WebVR. The only problem is, these files are huge. Take The […] Read More