quizzes/posix-shell.json

   1 {
   2         "version": "0.1",
   3         "questions": [
   4                 {
   5                         "class": "ScriptQuestion",
   6                         "interpreter": "sh",
   7                         "id": "quoting spaces",
   8                         "prompt": "call `ls` and pass it two arguments: `a` and `b c`",
   9                         "answer": "ls a 'b c'",
  10                         "help": "http://pubs.opengroup.org/onlinepubs/009696699/utilities/xcu_chap02.html#tag_02_02"
  11                 },
  12                 {
  13                         "class": "ScriptQuestion",
  14                         "interpreter": "sh",
  15                         "id": "echo constant",
  16                         "prompt": "print the string `hello, world` to stdout",
  17                         "answer": "echo 'hello, world'",
  18                         "help": "http://pubs.opengroup.org/onlinepubs/009696699/utilities/echo.html"
  19                 },
  20                 {
  21                         "class": "ScriptQuestion",
  22                         "interpreter": "sh",
  23                         "id": "parameter expansion",
  24                         "prompt": "print the contents of the PATH variable to stdout",
  25                         "answer": "echo \"$PATH\"",
  26                         "help": "http://pubs.opengroup.org/onlinepubs/009696699/utilities/xcu_chap02.html#tag_02_06_02",
  27                         "dependencies": [
  28                                 "echo constant"
  29                                 ]
  30                 },
  31                 {
  32                         "class": "ScriptQuestion",
  33                         "interpreter": "sh",
  34                         "id": "variable assign constant",
  35                         "prompt": "set the ABC variable to the string `xyz`",
  36                         "answer": "ABC='xyz'",
  37                         "teardown": [
  38                                 "echo \"ABC: '${ABC}'\""
  39                                 ],
  40                         "help": "http://tldp.org/LDP/abs/html/varassignment.html"
  41                 },
  42                 {
  43                         "class": "ScriptQuestion",
  44                         "interpreter": "sh",
  45                         "prompt": "prepend the string `/some/path:` to the PATH variable",
  46                         "answer": "PATH=\"/some/path:$PATH\"",
  47                         "teardown": [
  48                                 "echo \"PATH: '${PATH}'\""
  49                                 ],
  50                         "help": "",
  51                         "dependencies": [
  52                                 "variable assign constant"
  53                                 ]
  54                 }
  55         ]
  56 }