Bash

45,808 students

About

Exercises

Build Status

53 contributors

680 mentors

45,805
students have developed their Bash skills on Exercism.

Students

45,805

Submissions

339,686

Mentoring Discussions

6,836

The Bash track needs attention ⚠️

Building

Build

Use your knowledge to build the Bash track itself

53 contributors

Build Test Runners

Learn More

Create Test Runners that have the single responsibility of taking a solution, running all tests and returning a standardized output.

Usage statistics

Total Test Runner Runs

316,980

Test Run Pass Rate

21.0% (66642)

Test Run Fail Rate

77.6% (245965)

Test Run Error Rate

1.4% (4373)

Build Analyzers

Learn More

Build an Analyzer for Bash: Exercism's analyzers automatically assess student's submissions and provide mentor-style commentary.

Usage statistics

Total Analyzer Runs

53,781

Total Analysis Comments Made

39,447

Feedback Given Frequency

5.6%

Build Representers

Learn More

Build a Representer: a bit of code that has the single responsibility of taking a solution and returning a normalized representation of it.

Next goal: Build a Representer. Find out more.

Create Practice Exercises

Learn More

Practice Exercises are exercises designed to allow students to solve an arbitrary problem, with the aim of them making use of the concepts they have learned so far.

Next goal: Implement 130 practice exercises. Find out more.

Usage statistics

89 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

26,762

39,432 (avg. 1.5)

21,320 (79.7%)

7 (0.0%)

Two Fer

16,256

71,377 (avg. 4.4)

7,134 (43.9%)

2,006 (12.3%)

Error Handling

7,064

35,049 (avg. 5.0)

4,128 (58.4%)

908 (12.9%)

Raindrops

4,470

28,096 (avg. 6.3)

3,130 (70.0%)

657 (14.7%)

Hamming

2,950

29,079 (avg. 9.9)

2,062 (69.9%)

469 (15.9%)

Acronym

2,195

19,575 (avg. 8.9)

1,492 (68.0%)

331 (15.1%)

Armstrong Numbers

1,648

8,792 (avg. 5.3)

1,297 (78.7%)

322 (19.5%)

Pangram

1,337

8,951 (avg. 6.7)

1,044 (78.1%)

247 (18.5%)

Bob

1,184

15,973 (avg. 13.5)

717 (60.6%)

204 (17.2%)

Scrabble Score

969

4,693 (avg. 4.8)

744 (76.8%)

155 (16.0%)

Grains

1,357

8,291 (avg. 6.1)

795 (58.6%)

370 (27.3%)

Luhn

611

7,602 (avg. 12.4)

431 (70.5%)

133 (21.8%)

Atbash Cipher

478

4,521 (avg. 9.5)

350 (73.2%)

122 (25.5%)

Reverse String

2,691

4,943 (avg. 1.8)

1,749 (65.0%)

169 (6.3%)

Leap

1,705

5,872 (avg. 3.4)

1,179 (69.1%)

146 (8.6%)

Resistor Color Duo

740

3,253 (avg. 4.4)

565 (76.4%)

77 (10.4%)

Secret Handshake

391

3,551 (avg. 9.1)

249 (63.7%)

35 (9.0%)

Darts

339

2,884 (avg. 8.5)

217 (64.0%)

28 (8.3%)

D&D Character

314

1,877 (avg. 6.0)

172 (54.8%)

26 (8.3%)

Matching Brackets

508

2,218 (avg. 4.4)

275 (54.1%)

39 (7.7%)

Proverb

411

1,272 (avg. 3.1)

282 (68.6%)

32 (7.8%)

Resistor Color Trio

337

2,110 (avg. 6.3)

209 (62.0%)

32 (9.5%)

Sieve

258

1,426 (avg. 5.5)

158 (61.2%)

20 (7.8%)

Grep

422

1,479 (avg. 3.5)

144 (34.1%)

30 (7.1%)

Tournament

186

1,315 (avg. 7.1)

79 (42.5%)

14 (7.5%)

Bowling

153

595 (avg. 3.9)

58 (37.9%)

9 (5.9%)

OCR Numbers

135

480 (avg. 3.6)

49 (36.3%)

2 (1.5%)

Clock

198

1,416 (avg. 7.2)

102 (51.5%)

6 (3.0%)

Markdown

184

449 (avg. 2.4)

55 (29.9%)

9 (4.9%)

Rectangles

103

650 (avg. 6.3)

28 (27.2%)

2 (1.9%)

House

181

1,153 (avg. 6.4)

91 (50.3%)

7 (3.9%)

Nucleotide Count

385

1,275 (avg. 3.3)

276 (71.7%)

34 (8.8%)

Rotational Cipher

144

622 (avg. 4.3)

84 (58.3%)

6 (4.2%)

Binary Search

160

812 (avg. 5.1)

78 (48.8%)

14 (8.8%)

Kindergarten Garden

244 (avg. 2.6)

41 (43.2%)

1 (1.1%)

Robot Simulator

108

392 (avg. 3.6)

56 (51.9%)

4 (3.7%)

Run-Length Encoding

113

796 (avg. 7.0)

57 (50.4%)

6 (5.3%)

Transpose

103

683 (avg. 6.6)

38 (36.9%)

1 (1.0%)

Yacht

275 (avg. 3.1)

38 (42.2%)

1 (1.1%)

Poker

102

77 (avg. 0.8)

26 (25.5%)

1 (1.0%)

Two Bucket

116 (avg. 1.2)

28 (28.6%)

2 (2.0%)

Wordy

299 (avg. 3.4)

32 (36.4%)

1 (1.1%)

Rail Fence Cipher

92 (avg. 1.0)

27 (29.3%)

3 (3.3%)

Difference of Squares

391

882 (avg. 2.3)

289 (73.9%)

22 (5.6%)

Prime Factors

130

411 (avg. 3.2)

76 (58.5%)

7 (5.4%)

Triangle

298

1,054 (avg. 3.5)

180 (60.4%)

13 (4.4%)

All Your Base

121

637 (avg. 5.3)

50 (41.3%)

4 (3.3%)

Gigasecond

325

506 (avg. 1.6)

230 (70.8%)

11 (3.4%)

ISBN Verifier

161

489 (avg. 3.0)

96 (59.6%)

5 (3.1%)

Pascal's Triangle

203 (avg. 2.4)

32 (38.6%)

3 (3.6%)

Diffie-Hellman

110 (avg. 1.2)

33 (36.7%)

1 (1.1%)

Rational Numbers

56 (avg. 0.8)

23 (31.5%)

1 (1.4%)

Variable Length Quantity

44 (avg. 0.6)

23 (31.9%)

1 (1.4%)

RNA Transcription

345

656 (avg. 1.9)

267 (77.4%)

14 (4.1%)

Anagram

266

964 (avg. 3.6)

175 (65.8%)

9 (3.4%)

Isogram

194

472 (avg. 2.4)

129 (66.5%)

7 (3.6%)

Phone Number

259

694 (avg. 2.7)

166 (64.1%)

8 (3.1%)

Protein Translation

114

374 (avg. 3.3)

63 (55.3%)

3 (2.6%)

Word Count

257

1,253 (avg. 4.9)

130 (50.6%)

10 (3.9%)

Diamond

141

169 (avg. 1.2)

69 (48.9%)

2 (1.4%)

Sublist

103

243 (avg. 2.4)

48 (46.6%)

1 (1.0%)

Beer Song

140

777 (avg. 5.6)

74 (52.9%)

5 (3.6%)

Queen Attack

274 (avg. 2.8)

48 (48.5%)

1 (1.0%)

Twelve Days

119

287 (avg. 2.4)

54 (45.4%)

2 (1.7%)

Pig Latin

94 (avg. 1.2)

28 (35.4%)

1 (1.3%)

Crypto Square

157 (avg. 2.3)

24 (34.8%)

1 (1.4%)

Food Chain

91 (avg. 1.1)

26 (31.7%)

2 (2.4%)

Meetup

37 (avg. 0.6)

18 (29.5%)

1 (1.6%)

Spiral Matrix

28 (avg. 0.4)

18 (26.5%)

1 (1.5%)

Largest Series Product

267 (avg. 2.8)

49 (50.5%)

2 (2.1%)

Series

122

297 (avg. 2.4)

67 (54.9%)

6 (4.9%)

Collatz Conjecture

294

414 (avg. 1.4)

211 (71.8%)

15 (5.1%)

Space Age

115

256 (avg. 2.2)

64 (55.7%)

4 (3.5%)

Square Root

104

203 (avg. 2.0)

67 (64.4%)

4 (3.8%)

Say

51 (avg. 0.6)

29 (34.9%)

0 (0.0%)

Pythagorean Triplet

277 (avg. 3.5)

28 (35.4%)

3 (3.8%)

Change

102 (avg. 1.0)

22 (22.4%)

1 (1.0%)

Knapsack

63 (avg. 0.9)

20 (27.8%)

2 (2.8%)

Allergies

131

462 (avg. 3.5)

66 (50.4%)

3 (2.3%)

Perfect Numbers

109

531 (avg. 4.9)

56 (51.4%)

2 (1.8%)

Sum of Multiples

121

511 (avg. 4.2)

60 (49.6%)

2 (1.7%)

Roman Numerals

159

315 (avg. 2.0)

87 (54.7%)

4 (2.5%)

Nth Prime

119 (avg. 1.4)

25 (28.7%)

4 (4.6%)

Palindrome Products

214 (avg. 3.1)

17 (25.0%)

0 (0.0%)

Simple Cipher

115 (avg. 1.6)

18 (25.0%)

0 (0.0%)

Affine Cipher

116

159 (avg. 1.4)

50 (43.1%)

2 (1.7%)

Forth

51 (avg. 0.6)

22 (27.2%)

1 (1.2%)

Satellite

38 (avg. 0.6)

12 (19.0%)

0 (0.0%)

List Ops

222 (avg. 3.8)

22 (37.3%)

1 (1.7%)

41 unimplemented practice exercises

Alphametics

Bank Account

Binary Search Tree

Book Store

Bottle Song

Circular Buffer

Complex Numbers

Connect

Custom Set

DOT DSL

Dominoes

ETL

Flatten Array

Go Counting

Grade School

Hangman

High Scores

Killer Sudoku Helper

Ledger

Lens Person

Linked List

Matrix

Micro Blog

Minesweeper

POV

PaaS I/O

Parallel Letter Frequency

REST API

React

Resistor Color

Robot Name

SGF Parsing

Saddle Points

Scale Generator

Simple Linked List

State of Tic-Tac-Toe

Strain

Tree Building

Word Search

Zebra Puzzle

Zipper

Volunteers

136

glennj

15.0k

IsaacG

9,475

guygastineau

3,081

+ 124 more

We 💙 our volunteers

Exercism relies on open-source volunteers to build our language tracks and mentor students.

Become an Exercism Volunteer

Language Tracks

#12in23 Challenge

Your Journey

Community Videos

Brief Introduction Series

Interviews & Stories

Discord

Forum

Getting started

Mentoring

Docs

Contributors

About Exercism

Our Impact

Donate

Insiders

SWAG

45,805 students have developed their Bash skills on Exercism.

The Bash track needs attention ⚠️

Build

Build Test Runners

Usage statistics

Build Analyzers

Usage statistics

Build Representers

Create Practice Exercises

Usage statistics

We 💙 our volunteers

45,805
students have developed their Bash skills on Exercism.