Bash

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Exercises

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685 mentors

46,366
students have developed their Bash skills on Exercism.

Students

46,366

Submissions

347,425

Mentoring Discussions

6,856

The Bash track needs attention ⚠️

Building

Build

Use your knowledge to build the Bash track itself

54 contributors

Build Test Runners

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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

324,686

Test Run Pass Rate

21.0% (68130)

Test Run Fail Rate

77.6% (252069)

Test Run Error Rate

1.4% (4487)

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

55,167

Total Analysis Comments Made

40,224

Feedback Given Frequency

5.6%

Build Representers

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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

27,236

40,199 (avg. 1.5)

21,722 (79.8%)

7 (0.0%)

Two Fer

16,571

72,826 (avg. 4.4)

7,251 (43.8%)

2,010 (12.1%)

Error Handling

7,201

35,728 (avg. 5.0)

4,210 (58.5%)

911 (12.7%)

Raindrops

4,568

29,002 (avg. 6.3)

3,200 (70.1%)

662 (14.5%)

Hamming

3,011

29,760 (avg. 9.9)

2,105 (69.9%)

471 (15.6%)

Acronym

2,248

20,304 (avg. 9.0)

1,535 (68.3%)

337 (15.0%)

Armstrong Numbers

1,684

9,097 (avg. 5.4)

1,325 (78.7%)

323 (19.2%)

Pangram

1,370

9,175 (avg. 6.7)

1,072 (78.2%)

249 (18.2%)

Bob

1,217

16,573 (avg. 13.6)

738 (60.6%)

205 (16.8%)

Scrabble Score

994

4,734 (avg. 4.8)

764 (76.9%)

155 (15.6%)

Grains

1,377

8,431 (avg. 6.1)

810 (58.8%)

371 (26.9%)

Luhn

630

7,738 (avg. 12.3)

441 (70.0%)

134 (21.3%)

Atbash Cipher

493

4,614 (avg. 9.4)

360 (73.0%)

123 (24.9%)

Reverse String

2,709

5,010 (avg. 1.8)

1,765 (65.2%)

170 (6.3%)

Leap

1,720

5,973 (avg. 3.5)

1,191 (69.2%)

146 (8.5%)

Resistor Color Duo

755

3,364 (avg. 4.5)

577 (76.4%)

77 (10.2%)

Secret Handshake

406

3,614 (avg. 8.9)

257 (63.3%)

35 (8.6%)

Darts

353

2,966 (avg. 8.4)

225 (63.7%)

28 (7.9%)

D&D Character

321

1,894 (avg. 5.9)

175 (54.5%)

26 (8.1%)

Matching Brackets

513

2,223 (avg. 4.3)

277 (54.0%)

39 (7.6%)

Proverb

416

1,281 (avg. 3.1)

286 (68.8%)

32 (7.7%)

Resistor Color Trio

342

2,120 (avg. 6.2)

211 (61.7%)

32 (9.4%)

Sieve

264

1,489 (avg. 5.6)

162 (61.4%)

20 (7.6%)

Grep

429

1,498 (avg. 3.5)

145 (33.8%)

30 (7.0%)

Tournament

188

1,317 (avg. 7.0)

80 (42.6%)

14 (7.4%)

Bowling

157

596 (avg. 3.8)

59 (37.6%)

9 (5.7%)

OCR Numbers

137

483 (avg. 3.5)

50 (36.5%)

2 (1.5%)

Clock

202

1,435 (avg. 7.1)

104 (51.5%)

6 (3.0%)

Markdown

186

450 (avg. 2.4)

56 (30.1%)

9 (4.8%)

Rectangles

106

707 (avg. 6.7)

30 (28.3%)

2 (1.9%)

House

186

1,157 (avg. 6.2)

92 (49.5%)

7 (3.8%)

Nucleotide Count

391

1,285 (avg. 3.3)

278 (71.1%)

34 (8.7%)

Rotational Cipher

148

626 (avg. 4.2)

85 (57.4%)

6 (4.1%)

Binary Search

162

816 (avg. 5.0)

78 (48.1%)

14 (8.6%)

Kindergarten Garden

244 (avg. 2.5)

41 (42.7%)

1 (1.0%)

Robot Simulator

110

394 (avg. 3.6)

57 (51.8%)

4 (3.6%)

Run-Length Encoding

116

797 (avg. 6.9)

58 (50.0%)

6 (5.2%)

Transpose

107

683 (avg. 6.4)

38 (35.5%)

1 (0.9%)

Yacht

275 (avg. 3.0)

38 (41.8%)

1 (1.1%)

Poker

103

77 (avg. 0.7)

26 (25.2%)

1 (1.0%)

Two Bucket

120 (avg. 1.2)

29 (29.3%)

2 (2.0%)

Wordy

319 (avg. 3.5)

33 (36.7%)

1 (1.1%)

Rail Fence Cipher

101 (avg. 1.1)

29 (30.9%)

3 (3.2%)

Difference of Squares

395

903 (avg. 2.3)

291 (73.7%)

22 (5.6%)

Prime Factors

134

417 (avg. 3.1)

78 (58.2%)

7 (5.2%)

Triangle

304

1,075 (avg. 3.5)

182 (59.9%)

13 (4.3%)

All Your Base

124

654 (avg. 5.3)

51 (41.1%)

4 (3.2%)

Gigasecond

326

506 (avg. 1.6)

230 (70.6%)

11 (3.4%)

ISBN Verifier

163

504 (avg. 3.1)

97 (59.5%)

5 (3.1%)

Pascal's Triangle

204 (avg. 2.4)

32 (37.6%)

3 (3.5%)

Diffie-Hellman

110 (avg. 1.2)

33 (36.3%)

1 (1.1%)

Rational Numbers

56 (avg. 0.7)

23 (30.7%)

1 (1.3%)

Variable Length Quantity

44 (avg. 0.6)

23 (31.5%)

1 (1.4%)

RNA Transcription

349

660 (avg. 1.9)

269 (77.1%)

14 (4.0%)

Anagram

268

967 (avg. 3.6)

176 (65.7%)

9 (3.4%)

Isogram

198

473 (avg. 2.4)

130 (65.7%)

7 (3.5%)

Phone Number

261

694 (avg. 2.7)

166 (63.6%)

8 (3.1%)

Protein Translation

116

376 (avg. 3.2)

64 (55.2%)

3 (2.6%)

Word Count

259

1,253 (avg. 4.8)

130 (50.2%)

10 (3.9%)

Diamond

142

169 (avg. 1.2)

69 (48.6%)

2 (1.4%)

Sublist

104

261 (avg. 2.5)

50 (48.1%)

1 (1.0%)

Beer Song

141

777 (avg. 5.5)

74 (52.5%)

5 (3.5%)

Queen Attack

102

274 (avg. 2.7)

48 (47.1%)

1 (1.0%)

Twelve Days

120

287 (avg. 2.4)

54 (45.0%)

2 (1.7%)

Pig Latin

94 (avg. 1.2)

28 (34.6%)

1 (1.2%)

Crypto Square

157 (avg. 2.2)

24 (34.3%)

1 (1.4%)

Food Chain

91 (avg. 1.1)

26 (31.3%)

2 (2.4%)

Meetup

37 (avg. 0.6)

18 (29.0%)

1 (1.6%)

Spiral Matrix

28 (avg. 0.4)

18 (25.7%)

1 (1.4%)

Largest Series Product

273 (avg. 2.8)

50 (50.5%)

2 (2.0%)

Series

126

305 (avg. 2.4)

68 (54.0%)

6 (4.8%)

Collatz Conjecture

296

415 (avg. 1.4)

212 (71.6%)

15 (5.1%)

Space Age

118

261 (avg. 2.2)

65 (55.1%)

4 (3.4%)

Square Root

106

206 (avg. 1.9)

68 (64.2%)

4 (3.8%)

Say

51 (avg. 0.6)

29 (34.1%)

0 (0.0%)

Pythagorean Triplet

277 (avg. 3.5)

28 (35.0%)

3 (3.8%)

Change

102 (avg. 1.0)

22 (22.2%)

1 (1.0%)

Knapsack

63 (avg. 0.9)

20 (27.4%)

2 (2.7%)

Allergies

132

462 (avg. 3.5)

66 (50.0%)

3 (2.3%)

Perfect Numbers

111

608 (avg. 5.5)

57 (51.4%)

2 (1.8%)

Sum of Multiples

124

597 (avg. 4.8)

61 (49.2%)

2 (1.6%)

Roman Numerals

161

321 (avg. 2.0)

88 (54.7%)

4 (2.5%)

Nth Prime

119 (avg. 1.3)

25 (28.1%)

4 (4.5%)

Palindrome Products

214 (avg. 3.1)

17 (24.6%)

0 (0.0%)

Simple Cipher

115 (avg. 1.6)

18 (24.7%)

0 (0.0%)

Affine Cipher

117

159 (avg. 1.4)

50 (42.7%)

2 (1.7%)

Forth

51 (avg. 0.6)

22 (26.5%)

1 (1.2%)

Satellite

38 (avg. 0.6)

12 (18.5%)

0 (0.0%)

List Ops

222 (avg. 3.6)

22 (35.5%)

1 (1.6%)

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

138

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15.0k

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9,500

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3,081

+ 126 more

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46,366 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

46,366
students have developed their Bash skills on Exercism.