Creating a clean pr on behalf of wyatt-stanke: #54

Author: elvis kahoro

specs/shell/array_append_values.yaml

@@ -0,0 +1,19 @@
+--
+name: Append value(s) to an array
+command: "{{array_name}}+=({{values}})"
+tags:
+  - shell
+description: Loops through an array, running a command on each value.
+arguments:
+  - name: array_name
+    description: The name of the array to append values
+    default_value: ~
+  - name: values
+    description: The values to append to the array, space-separated
+    default_value: ~
+source_url: "https://opensource.com/article/18/5/you-dont-know-bash-intro-bash-arrays"
+author: Wyatt-Stanke
+author_url: "https://github.com/Wyatt-Stanke"
+shells:
+  - Zsh
+  - Bash 

specs/shell/array_create.yaml

@@ -0,0 +1,16 @@
+---
+name: Make a new, empty array
+command: "{{array_name}}=()"
+tags:
+  - shell
+description: Makes an empty array and assigns it to variable "array_name"
+arguments:
+  - name: array_name
+    description: The name of the array to create
+    default_value: ~
+source_url: "https://opensource.com/article/18/5/you-dont-know-bash-intro-bash-arrays"
+author: Wyatt-Stanke
+author_url: "https://github.com/Wyatt-Stanke"
+shells:
+  - Zsh
+  - Bash 

specs/shell/array_get_size.yaml

@@ -0,0 +1,16 @@
+---
+name: Get number of elements in an array
+command: "echo ${#{{array_name}}[@]}"
+tags:
+  - shell
+description: Gets the number of elements in an array, and prints it to stdout.
+arguments:
+  - name: array_name
+    description: The name of the array to get the size of
+    default_value: ~
+source_url: "https://opensource.com/article/18/5/you-dont-know-bash-intro-bash-arrays"
+author: Wyatt-Stanke
+author_url: "https://github.com/Wyatt-Stanke"
+shells:
+  - Zsh
+  - Bash 

specs/shell/array_get_value.yaml

@@ -0,0 +1,19 @@
+---
+name: Get a value from an array
+command: "echo ${{{array_name}}[{{index}}]}"
+tags:
+  - shell
+description: Gets a value from an array and prints it to stdout.
+arguments:
+  - name: array_name
+    description: The name of the array to get a value from
+    default_value: ~
+  - name: index
+    description: The index of the value to get (starting at 0)
+    default_value: ~
+source_url: "https://opensource.com/article/18/5/you-dont-know-bash-intro-bash-arrays"
+author: Wyatt-Stanke
+author_url: "https://github.com/Wyatt-Stanke"
+shells:
+  - Zsh
+  - Bash 

specs/shell/array_loop_through.yaml

@@ -0,0 +1,19 @@
+--
+name: Loop through an array and run a command on each value
+command: "for i in ${{{array_name}}[@]}; do {{command}}; done"
+tags:
+  - shell
+description: Loops through an array, running a command on each value.
+arguments:
+  - name: array_name
+    description: The name of the array to loop through
+    default_value: ~
+  - name: command
+    description: The command to run on each value in the array
+    default_value: ~
+source_url: "https://opensource.com/article/18/5/you-dont-know-bash-intro-bash-arrays"
+author: Wyatt-Stanke
+author_url: "https://github.com/Wyatt-Stanke"
+shells:
+  - Zsh
+  - Bash 

specs/shell/array_set_value.yaml

@@ -0,0 +1,22 @@
+---
+name: Set an index in an array to a value
+command: "{{array_name}}[{{index}}]={{value}}"
+tags:
+  - shell
+description: Makes an empty array and assigns it to variable "array_name"
+arguments:
+  - name: array_name
+    description: The name of the array to set the value
+    default_value: ~
+  - name: array_index
+    description: The index of the array to set
+    default_value: ~
+  - name: value
+    description: The value to set the array index to
+    default_value: ~
+source_url: "https://opensource.com/article/18/5/you-dont-know-bash-intro-bash-arrays"
+author: Wyatt-Stanke
+author_url: "https://github.com/Wyatt-Stanke"
+shells:
+  - Zsh
+  - Bash