View and Search Text and Directories
- Simon Alexander
- Lisa Stafford
Owned by Simon Alexander
Goal: Use various commands to view, inspect and search a text file.
Exercise: Setting Up
Question:
There is a folder called
intro_to_linuxwithin the/project/<project-name>/folder.How would you copy this folder into your home folder?
Before moving on, please make sure you get this copied over correctly.
All further exercises assume you will be working within this folder, within the home folder
As you work through exercises take note of the
[]$ cd ~/intro_to_linux- remember the tilda character~is a shortcut for the home folder.
Setting Up: Answer(s)
Answer: There are a number of ways…
Method 01: Move into your home folder and copy into this location.
The . marks the current working directory.
[]$ cd
[~]$ cp -r /project/<project-name>/intro_to_linux/ .
cp: cannot open 'intro_to_linux/workshop_me.txt' for reading: Permission denied
[~]$ ls
Desktop Documents Downloads intro_to_linux[~]$ cd /project/<project-name>/
[<project-name>]$ cp -r intro_to_linux/ ~
cp: cannot open 'intro_to_linux/workshop_me.txt' for reading: Permission denied
[<project-name>]$ ls ~
Desktop Documents Downloads intro_to_linux# -rw------- 1 <arcc-username> <project-name> 23 Oct 5 07:20 workshop_me.txtView the content of files
Command | Description |
cat | |
more | |
head |
View the content of files
Command | Description |
tail |
Exercises: View Files: Give it a go.
Answers
Search for a string within a text file (grep)
Command | Description |
grep |
Examples: Search a file
Examples: Search folders and files
Exercises: Search Files
Answers
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