JSON processing using jq to handle person and scores.

Author: Emilianouz

jq/script-01.sh

@@ -5,3 +5,4 @@ set -euo pipefail
 # The input for this script is the person.json file.
 # TODO: Write a command to output the name of the person.
 # Your output should be exactly the string "Selma", but should not contain any quote characters.
+jq .name person.json

jq/script-02.sh

@@ -5,3 +5,4 @@ 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.
 # Your output should be exactly the string "35 Fashion Street, London, E1 6PX", but should not contain any quote characters.
+jq '.address | join(", ")' person.json

jq/script-03.sh

@@ -5,3 +5,4 @@ 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.
 # Your output should be exactly the string "Selma, Software Engineer", but should not contain any quote characters.
+jq -r '[.name, .profession] | join(", ")' person.json

jq/script-04.sh

@@ -6,3 +6,4 @@ set -euo pipefail
 # TODO: Write a command to output just the names of each player, one per line.
 # Your output should contain 6 lines, each with just one word on it.
 # Your output should not contain any quote characters.
+jq -r '.[].name' scores.json

jq/script-05.sh

@@ -5,3 +5,4 @@ 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.
 # Your output should contain 6 lines, each with two words on it.
+jq -r '.[] | "\(.name) \(.city)"' scores.json

jq/script-06.sh

@@ -6,3 +6,4 @@ set -euo pipefail
 # TODO: Write a command to output just the names of each player along with the score from their first attempt.
 # 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 -r '.[] | "\(.name) \(.scores[0])"' scores.json

jq/script-07.sh

@@ -6,3 +6,4 @@ set -euo pipefail
 # TODO: Write a command to output just the names of each player along with the score from their last attempt.
 # 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 -r '.[] | "\(.name) \(.scores[-1])"' scores.json

jq/script-08.sh

@@ -6,3 +6,4 @@ set -euo pipefail
 # TODO: Write a command to output just the names of each player along with the number of times they've played the game.
 # 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 -r '.[] | "\(.name) \(.scores | length)"' scores.json

jq/script-09.sh

@@ -6,3 +6,4 @@ set -euo pipefail
 # TODO: Write a command to output just the names of each player along with the total scores from all of their games added together.
 # 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 -r '.[] | "\(.name) \(.scores | add)"' scores.json

jq/script-10.sh

@@ -5,3 +5,4 @@ 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.
 # Your output should be exactly the number 54.
+jq '[.[] | .scores[0]] | add' scores.json