jq exercises complete

Author: Rashaad-Ebrahim

jq/script-01.sh

@@ -4,4 +4,6 @@ set -euo pipefail
 
 # The input for this script is the person.json file.
 # TODO: Write a command to output the name of the person.
+jq -r '.name' person.json
+
 # Your output should be exactly the string "Selma", but should not contain any quote characters.

jq/script-02.sh

@@ -4,4 +4,6 @@ set -euo pipefail
 
 # The input for this script is the person.json file.
 # TODO: Write a command to output the address of the person, all on one line, with a comma between each line.
+jq -r '.address | join(", ")' person.json
+
 # Your output should be exactly the string "35 Fashion Street, London, E1 6PX", but should not contain any quote characters.

jq/script-03.sh

@@ -4,4 +4,6 @@ set -euo pipefail
 
 # The input for this script is the person.json file.
 # TODO: Write a command to output the name of the person, then a comma, then their profession.
+jq -r '.name + ", " + .profession' person.json
+
 # Your output should be exactly the string "Selma, Software Engineer", but should not contain any quote characters.

jq/script-04.sh

@@ -4,5 +4,7 @@ set -euo pipefail
 
 # The input for this script is the scores.json file.
 # TODO: Write a command to output just the names of each player, one per line.
+jq -r '.[].name' scores.json
+
 # Your output should contain 6 lines, each with just one word on it.
 # Your output should not contain any quote characters.

jq/script-05.sh

@@ -4,4 +4,5 @@ set -euo pipefail
 
 # The input for this script is the scores.json file.
 # TODO: Write a command to output the names of each player, as well as their city.
+jq -r '.[] | .name + " " + .city' scores.json
 # Your output should contain 6 lines, each with two words on it.

jq/script-06.sh

@@ -4,5 +4,7 @@ set -euo pipefail
 
 # The input for this script is the scores.json file.
 # TODO: Write a command to output just the names of each player along with the score from their first attempt.
+jq -r '.[] | [.name, .scores[0]] | join(" ")' scores.json
+
 # Your output should contain 6 lines, each with one word and one number on it.
 # The first line should be "Ahmed 1" with no quotes.

jq/script-07.sh

@@ -4,5 +4,7 @@ set -euo pipefail
 
 # The input for this script is the scores.json file.
 # TODO: Write a command to output just the names of each player along with the score from their last attempt.
+jq -r '.[] | [.name, .scores[-1]] | join(" ")' scores.json
+
 # Your output should contain 6 lines, each with one word and one number on it.
 # The first line should be "Ahmed 4" with no quotes.

jq/script-08.sh

@@ -4,5 +4,7 @@ set -euo pipefail
 
 # The input for this script is the scores.json file.
 # TODO: Write a command to output just the names of each player along with the number of times they've played the game.
+jq -r '.[] | [.name, (.scores | length)] | join(" ")' scores.json
+
 # Your output should contain 6 lines, each with one word and one number on it.
 # The first line should be "Ahmed 3" with no quotes.

jq/script-09.sh

@@ -4,5 +4,7 @@ set -euo pipefail
 
 # The input for this script is the scores.json file.
 # TODO: Write a command to output just the names of each player along with the total scores from all of their games added together.
+jq -r '.[] | [.name, ([.scores[]] | add)] | join(" ")' scores.json
+
 # Your output should contain 6 lines, each with one word and one number on it.
 # The first line should be "Ahmed 15" with no quotes.

jq/script-10.sh

@@ -4,4 +4,6 @@ set -euo pipefail
 
 # The input for this script is the scores.json file.
 # TODO: Write a command to output the total of adding together all players' first scores.
+jq -r '[.[].scores[0]] | add' scores.json
+
 # Your output should be exactly the number 54.