'al' function to list aliases in a menu

gistfile1.txt

#!/bin/zsh
##? al - list my aliases
function al() {
    local zalias_file="$HOME/.zsh/zalias"
    local IFS=$'\n' # Change the field separator to newline
    local categories=() # Array to store categories
    local formatted_aliases=() # Array to store formatted alias strings
    local selected_category=""
    local choice

    # Read categories
    while read -r line; do
        if [[ $line == "##"* ]]; then
            categories+=("${line##\#\# }")
        fi
    done < "$zalias_file"

    # Display categories and prompt for choice
    echo "Select a category:"
    select category in "${categories[@]}"; do
        if [[ -n $category ]]; then
            selected_category=$category
            break
        else
            echo "Invalid choice. Please try again."
        fi
    done

    # Clear formatted_aliases array
    formatted_aliases=()

    # Read aliases for selected category
    local in_category=false
    while read -r line; do
        if [[ $line == "## $selected_category" ]]; then
            in_category=true
            continue
        fi
        if [[ $in_category == true && $line == "##"* ]]; then
            break
        fi
        if [[ $in_category == true && $line == alias* ]]; then
            local alias_name=$(echo "$line" | cut -d'=' -f1 | awk '{print $2}')
            local description=$(echo "$line" | awk -F'#' '{print $2}' | xargs)
            local first_char=$(echo "${description:0:1}" | tr '[:upper:]' '[:lower:]')
            local rest=${description:1}
            description="$first_char$rest"
            formatted_aliases+=("$alias_name: $description")
        fi
    done < "$zalias_file"

    # Display aliases and prompt for choice
    echo "Select an alias from '$selected_category':"
    select choice in "${formatted_aliases[@]}"; do
        if [[ -n $choice ]]; then
            # Extract and print the command from the choice
            exact_match_alias=$(echo "$choice" | cut -d':' -f1)
            # Extract the exact command from the file
            grep "^alias $exact_match_alias=" "$zalias_file" | cut -d'=' -f2- | awk -F'#' '{print $1}'
            break
        else
            echo "Invalid choice. Please try again."
        fi
    done
}