Terminal Exercises - sandbox.bio

Terminal Exercises

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Finding Things

Matching and subtracting

Go to the folder exercise-data/:

cd $TUTORIAL/exercise-data/

The -v option to grep inverts pattern matching, so that only lines which do not match the pattern are printed. Given that, which of the following commands will find all .dat files in creatures except unicorn.dat? Once you have thought about your answer, you can test the commands in the exercise-data/ directory.

Which of the following is correct?

find creatures -name "*.dat" | grep -v unicorn

find creatures -name *.dat | grep -v unicorn

grep -v "unicorn" $(find creatures -name "*.dat")

None of the above.

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Introduction

Terminal Exercises

Navigating Files and Directories

Absolute vs relative paths

Absolute vs relative paths

Ls reading comprehension

Working With Files and Directories

Moving Files to a new folder

Renaming Files

Moving and Copying

List filenames matching a pattern

Pipes and Filters

Appending data

Piping commands together

Pipe construction

Which pipe?

Removing unneeded files

Loops

Write your own loop

Limiting sets of files

Saving to a file in a loop

Saving to a file in a loop - part 2

Shell Scripts

List unique species

Variables in shell scripts

Longest file with a given extension

Finding Things

Using grep

Tracking a species

Little women

Matching and subtracting

The end

The end