commands.md

• remove extension:

find /path/to/your/files -name '*.html.tmp' -exec sh -c 'mv -i "{}" "$(dirname "{}")/$(basename "{}" .tmp)"' \;

• add extension:

find /path -type f -not -name "*.*" -exec mv "{}" "{}".jpg \;

or

find . -type f -not -name "*.*" -print0 |\
xargs -0 file |\
grep  'JPEG image data' |\
sed 's/:.*//' |\
xargs -I % echo mv % %.jpg

• find all files without extension

• check the file type

• filter out only JPG files

• delete filetype info

• xargs run the "mv" for each file

• fix gdal

  brew reinstall brew uses --installed sqlite

see Homebrew/legacy-homebrew#12190 (comment)