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https://github.com/fastfetch-cli/fastfetch.git
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Presets: improve 25.jsonc; add verbose comments [ci skip]
This commit is contained in:
李通洲
+85
-24
@@ -6,11 +6,13 @@
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"keys": "blue"
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},
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"separator": "",
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// Constants are reusable strings referenced by {$1}, {$2}, etc.
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// These contain ANSI escape codes for cursor positioning
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"constants": [
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"──────────────────────────────────────────────",
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"\u001b[47D",
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"\u001b[47C",
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"\u001b[46C"
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"──────────────────────────────────────────────", // {$1} - horizontal line for borders
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"\u001b[47D", // {$2} - move cursor left 47 columns
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"\u001b[47C", // {$3} - move cursor right 47 columns
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"\u001b[46C" // {$4} - move cursor right 46 columns
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],
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"brightColor": false
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},
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@@ -22,6 +24,24 @@
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},
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{
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"type": "os",
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// Key format breakdown for OS module:
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// "│ {icon} \u001b[s{sysname}\u001b[u\u001b[10C│{$3}│{$2}"
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//
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// │ - Left border of key block
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// {icon} - OS icon (defined internally by fastfetch)
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// \u001b[s - ANSI escape: save cursor position (ESC[s)
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// {sysname} - Format variable: system name (e.g., "Linux", "Darwin")
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// \u001b[u - ANSI escape: restore cursor to saved position (ESC[u)
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// Necessary because the length of `{sysname}` differs between different platforms
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// \u001b[10C - ANSI escape: move cursor right 10 columns (ESC[10C)
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// │ - Right border of key block (always 10 columns from left border)
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// {$3} - Reference to constants[2]: move cursor right 47 columns
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// │ - Right border of value block
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// {$2} - Reference to constants[1]: move cursor left 47 columns
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//
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// This creates a fixed-width layout where the key block is exactly 10 columns wide,
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// regardless of the actual content length. The cursor manipulation ensures proper
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// alignment for the table-like structure.
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"key": "│ {icon} \u001b[s{sysname}\u001b[u\u001b[10C│{$3}│{$2}"
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},
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{
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@@ -34,7 +54,7 @@
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"key": "│ {icon} Locale │{$3}│{$2}"
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},
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// Hardware
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// Hardware section with cyan color theme
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{
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"type": "custom",
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"key": "│{#cyan}┌──────────────┬{$1}┐{#keys}│\u001b[37D",
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@@ -42,6 +62,11 @@
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},
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{
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"type": "chassis",
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// Similar structure but with cyan color formatting:
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// │{#cyan}│ - Left border with cyan color
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// {icon} - Chassis icon
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// Chassis - Fixed label text
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// │{$4}│{#keys}│{$2} - Positioning and borders for value area
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"key": "│{#cyan}│ {icon} Chassis │{$4}│{#keys}│{$2}"
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},
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{
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@@ -76,7 +101,7 @@
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"format": ""
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},
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// Desktop
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// Desktop section with green color theme
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{
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"type": "custom",
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"key": "│{#green}┌──────────────┬{$1}┐{#keys}│\u001b[37D",
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@@ -106,7 +131,7 @@
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"format": ""
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},
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// Terminal
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// Terminal section with yellow color theme
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{
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"type": "custom",
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"key": "│{#yellow}┌──────────────┬{$1}┐{#keys}│\u001b[37D",
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@@ -138,7 +163,7 @@
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"format": ""
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},
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// Development
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// Development section with red color theme
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{
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"type": "custom",
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"key": "│{#red}┌──────────────┬{$1}┐{#keys}│\u001b[39D",
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@@ -146,31 +171,44 @@
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},
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{
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"type": "command",
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"keyIcon": "",
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"keyIcon": "", // Custom icon override
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"key": "│{#red}│ {icon} Rust │{$4}│{#keys}│{$2}",
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"text": "rustc --version | cut -d' ' -f2",
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"format": "rustc {}"
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"text": "rustc --version",
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"format": "rustc {~6,13}" // Print 6th to 13th characters (version number)
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},
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{
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"type": "command",
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"condition": {
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"!system": "Windows" // Posix version
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},
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"keyIcon": "",
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"key": "│{#red}│ {icon} Clang │{$4}│{#keys}│{$2}",
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"text": "clang --version | head -1 | awk '{print $NF}'",
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"format": "clang {}"
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},
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{
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"type": "command",
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"condition": {
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"system": "Windows" // Windows version
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},
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"keyIcon": "",
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"key": "│{#red}│ {icon} Clang │{$4}│{#keys}│{$2}",
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"text": "clang --version | findstr version", // Finds the line with "version"
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"format": "clang {~-6}" // Prints the last 6 characters (version number)
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},
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{
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"type": "command",
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"keyIcon": "",
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"key": "│{#red}│ {icon} NodeJS │{$4}│{#keys}│{$2}",
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"text": "node --version",
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"format": "node {~1}"
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"format": "node {~1}" // {~1} removes first character (v)
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},
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{
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"type": "command",
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"keyIcon": "",
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"key": "│{#red}│ {icon} Go │{$4}│{#keys}│{$2}",
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"text": "go version | cut -d' ' -f3",
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"format": "go {~2}"
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"format": "go {~2}" // {~2} removes first 2 characters (go)
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},
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{
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"type": "command",
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@@ -200,7 +238,7 @@
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"format": ""
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},
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// Uptime
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// Uptime section with magenta color theme
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{
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"type": "custom",
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"key": "│{#magenta}┌──────────────┬{$1}┐{#keys}│\u001b[36D",
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@@ -212,28 +250,28 @@
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},
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{
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"type": "users",
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"myselfOnly": true,
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"myselfOnly": true, // Only show current user
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"keyIcon": "",
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"key": "│{#magenta}│ {icon} Login │{$4}│{#keys}│{$2}"
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},
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{
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"condition": {
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"condition": { // Conditional module: only show on non-macOS
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"!system": "macOS"
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},
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"type": "disk",
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"keyIcon": "",
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"key": "│{#magenta}│ {icon} OS Age │{$4}│{#keys}│{$2}",
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"folders": "/",
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"format": "{create-time:10} [{days} days]"
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"folders": "/", // Check root filesystem
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"format": "{create-time:10} [{days} days]" // Show creation time and age in days
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},
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{
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"condition": {
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"condition": { // Conditional module: only show on macOS
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"system": "macOS"
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},
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"type": "disk",
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"keyIcon": "",
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"key": "│{#magenta}│ {icon} OS Age │{$4}│{#keys}│{$2}",
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"folders": "/System/Volumes/VM",
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"folders": "/System/Volumes/VM", // Work around for APFS on macOS
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"format": "{create-time:10} [{days} days]"
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},
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{
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@@ -243,12 +281,35 @@
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},
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{
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"type": "custom",
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"key": "└─────────────────{$1}┘",
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"key": "└─────────────────{$1}┘", // Bottom border of the entire layout
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"format": ""
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},
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// End
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"break",
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"colors"
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// End with color palette and line break
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"break", // Add a blank line
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"colors" // Display color palette
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]
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}
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/*
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Key Format Structure Explanation:
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The key format uses a combination of:
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1. Unicode box drawing characters (│ ┌ ┐ └ ┘ ┬ ┴) for borders
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2. ANSI escape codes for cursor positioning (\u001b[...)
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3. Format variables ({icon}, {sysname}, etc.)
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4. Constant references ({$1}, {$2}, etc.)
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5. Color formatting ({#color})
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ANSI Escape Codes Used:
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- \u001b[s - Save cursor position (ESC[s)
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- \u001b[u - Restore cursor position (ESC[u)
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- \u001b[nC - Move cursor right n columns (ESC[nC)
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- \u001b[nD - Move cursor left n columns (ESC[nD)
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This creates a table-like layout with fixed column widths and proper alignment,
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regardless of the actual content length in each field.
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For more ANSI escape code reference, see:
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https://gist.github.com/fnky/458719343aabd01cfb17a3a4f7296797#cursor-controls
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*/
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