Join Kevin Skoglund for an in-depth discussion in this video Spotlight integration: Searching metadata, part of Unix for Mac OS X Users.
Spotlight is a fast and powerful Macintosh find tool that's based on file metadata.…We can access Spotlight from the command line too and I'm going to be honest with you.…This isn't my first choice for finding files.…Most times if I'm working in the Finder I need to find something based on…metadata and typically going to go up here to the Spotlight menu in the upper…right corner and type my query there. And most times if I'm working in Unix in…the command line, I'm going to tend to use find and rep, but there are times…when you really need Unix to have access to the metadata of the Spotlight keeps.…
So let's see how we can use it from the command line.…The command that we're going to using is mdfind. The md stands for metadata.…Now the metadata for file contains much more information about the file than we…normally have access to from the command line.…As an example, let's say that you have an MP3 or a song that you've purchased on…iTunes. Well that has a file name. It's probably the same name as the song and we…
- Moving around the file system
- Creating and reading files
- Copying, moving, renaming, and deleting files and directories
- Creating hard links and symbolic links
- Understanding user identity, file ownership, and sudo
- Setting file permissions with alpha and octal notation
- Changing the PATH variable
- Using the command history
- Directing input and output
- Configuring the Unix working environment
- Searching and replacing using grep and regular expressions
- Manipulating text with tr, sed, and cut
- Integrating with the Finder, Spotlight, and AppleScript
Skill Level Beginner
Q: The exercise files for the following movies appear to be broken:
Is there something wrong with them?
These exercises include one or more "dot files", whose file names start with a period. These files are normally hidden from view by the Finder. So that they would show up in the Finder, the period has been removed from the file names. Additionally, "_example" has been added at the end of the file name to make it clear that the file will not work as-is.
To make the dot files usable, either:
1) Open the file in a text editor to view its contents. Note that it may not be possible to double-click the file to open it because there is no file extension (such as .txt).
2) Resave the file under a new name (usually by choosing File > Save As), adding a "." to the beginning of the file name and removing "_example" from the end.
1) Copy and rename the file from the Unix command line using the techniques discussed in this course. Rename the file by adding a "." to the start and removing "_example" from the end. Include the "-i" option to prevent overwriting an existing file unexpectedly.
Example: cp -i ~/Desktop/Exercise\ Files/Chapter_07/07_02_files/bashrc_example ~/.bashrc
1. Introduction to Unix
2. Filesystem Basics
3. Working with Files and Directories
4. Ownership and Permissions
5. Commands and Programs
6. Directing Input and Output
7. Configuring Your Working Environment
8. Unix Power Tools
9. Useful Mac-Only Commands and Techniques
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