README.md (2105B)
1 # Two Fer 2 3 `Two-fer` or `2-fer` is short for two for one. One for you and one for me. 4 5 Given a name, return a string with the message: 6 7 ```text 8 One for X, one for me. 9 ``` 10 11 Where X is the given name. 12 13 However, if the name is missing, return the string: 14 15 ```text 16 One for you, one for me. 17 ``` 18 19 Here are some examples: 20 21 |Name |String to return 22 |:-------|:------------------ 23 |Alice |One for Alice, one for me. 24 |Bob |One for Bob, one for me. 25 | |One for you, one for me. 26 |Zaphod |One for Zaphod, one for me. 27 28 29 Run the tests with: 30 31 ```bash 32 bats two_fer_test.sh 33 ``` 34 35 After the first test(s) pass, continue by commenting out or removing the 36 `[[ $BATS_RUN_SKIPPED == true ]] || skip` 37 annotations prepending other tests. 38 39 To run all tests, including the ones with `skip` annotations, run: 40 41 ```bash 42 BATS_RUN_SKIPPED=true bats two_fer_test.sh 43 ``` 44 45 ## Source 46 47 [https://github.com/exercism/problem-specifications/issues/757](https://github.com/exercism/problem-specifications/issues/757) 48 49 50 ## External utilities 51 `Bash` is a language to write "scripts" -- programs that can call 52 external tools, such as 53 [`sed`](https://www.gnu.org/software/sed/), 54 [`awk`](https://www.gnu.org/software/gawk/), 55 [`date`](https://www.gnu.org/software/coreutils/manual/html_node/date-invocation.html) 56 and even programs written in other programming languages, 57 like [`Python`](https://www.python.org/). 58 This track does not restrict the usage of these utilities, and as long 59 as your solution is portable between systems and does not require 60 installation of third party applications, feel free to use them to solve 61 the exercise. 62 63 For an extra challenge, if you would like to have a better understanding 64 of the language, try to re-implement the solution in pure `Bash`, 65 without using any external tools. Note that there are some types of 66 problems that bash cannot solve, such as performing floating point 67 arithmetic and manipulating dates: for those, you must call out to an 68 external tool. 69 70 ## Submitting Incomplete Solutions 71 It's possible to submit an incomplete solution so you can see how others 72 have completed the exercise.