How to convert symlink to regular file?

There is no single command to convert a symlink to a regular file. The most direct way is to use readlink to find the file a symlink points to, and then copy that file over the symlink: cp –remove-destination `readlink bar.pdf` bar.pdf Of course, if bar.pdf is, in fact, a regular file to begin with, … Read more

Docker and symlinks

Docker doesn’t support symlinking files outside the build context. Here are some different methods for using a shared file in a container: Build Time Copy from a config image (Docker buildkit) Recent versions of Docker allow RUN steps to bind mount from a named image or previous build stage with the –mount=type=bind,target=/dir,source=/dir,from=image-or-stage-name Create a Dockerfile … Read more

Is there a way to check if there are symbolic links pointing to a directory?

I’d use the find command. find . -lname /particular/folder That will recursively search the current directory for symlinks to /particular/folder. Note that it will only find absolute symlinks. A similar command can be used to search for all symlinks pointing at objects called “folder”: find . -lname ‘*folder’ From there you would need to weed … Read more

Telling git to ignore symlinks

This seems to be a better idea find . -type l | sed -e s’/^\.\///g’ >> .gitignore Find outputs a “./” prefix for all files. Unless you trim it off, gitignore is unable to act on them . Once you trim the “.\” at the beginning , it works like a charm

How to check if a directory/file/symlink exists with one command in Ruby

The standard File module has the usual file tests available: RUBY_VERSION # => “1.9.2” bashrc = ENV[‘HOME’] + ‘/.bashrc’ File.exist?(bashrc) # => true File.file?(bashrc) # => true File.directory?(bashrc) # => false You should be able to find what you want there. OP: “Thanks but I need all three true or false” Obviously not. Ok, try … Read more

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