diff --git a/.gitignore b/.gitignore
index ea8c4bf..22662ea 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /target
+/benches/fixtures
diff --git a/justfile b/justfile
new file mode 100644
index 0000000..0171a63
--- /dev/null
+++ b/justfile
@@ -0,0 +1,2 @@
+snapshot +PATHS:
+    ./scripts/snapshot -o benches/fixtures/"snapshot-{TIMESTAMP}.csv" -f csv {{PATHS}}
diff --git a/scripts/snapshot b/scripts/snapshot
new file mode 100755
index 0000000..9eb0bfd
--- /dev/null
+++ b/scripts/snapshot
@@ -0,0 +1,222 @@
+#!/usr/bin/env bash
+# Directory structure snapshot tool using fd (https://github.com/sharkdp/fd)
+
+# Check if fd is installed
+if ! command -v fd &>/dev/null; then
+    echo "Error: fd is not installed. Please install it first:"
+    echo "  - Debian/Ubuntu: sudo apt install fd-find"
+    echo "  - Fedora: sudo dnf install fd-find"
+    echo "  - Arch: sudo pacman -S fd"
+    echo "  - macOS: brew install fd"
+    echo "  - Cargo: cargo install fd-find"
+    exit 1
+fi
+
+# Check if ripgrep is installed, fall back to grep if not
+if command -v rg &>/dev/null; then
+    GREP_CMD="rg"
+else
+    GREP_CMD="grep"
+fi
+
+# Usage information
+usage() {
+    echo "Usage: $(basename "$0") [OPTIONS] DIRECTORY [DIRECTORY...]"
+    echo "Create a snapshot of directory structure(s) for benchmarking"
+    echo
+    echo "Options:"
+    echo "  -o, --output FILE     Output file (default: stdout)"
+    echo "                        Use {DATE} or {TIMESTAMP} for dynamic naming"
+    echo "  -f, --format FORMAT   Output format: csv or json (default: csv)"
+    echo "  -h, --help            Display this help message"
+    echo
+    echo "Examples:"
+    echo "  $(basename "$0") ~/projects"
+    echo "  $(basename "$0") -o snapshot.csv -f csv /path/to/dir"
+    echo "  $(basename "$0") -o snapshot-{DATE}.csv ~/dir1 ~/dir2"
+    echo "  $(basename "$0") -f json > snapshot.json"
+    exit 0
+}
+
+# Default values
+DIRECTORIES=()
+OUTPUT="/dev/stdout"
+FORMAT="csv"
+
+# Parse arguments
+while [[ $# -gt 0 ]]; do
+    case "$1" in
+    -o | --output)
+        OUTPUT="$2"
+        shift 2
+        ;;
+    -f | --format)
+        FORMAT="$2"
+        shift 2
+        ;;
+    -h | --help)
+        usage
+        ;;
+    *)
+        if [[ -d "$1" ]]; then
+            # Use cd + pwd instead of realpath for better performance
+            DIRECTORIES+=("$(cd "$1" && pwd)")
+            shift
+        else
+            echo "Error: Unknown option or invalid directory: $1"
+            usage
+        fi
+        ;;
+    esac
+done
+
+# Check if at least one directory was provided
+if [ ${#DIRECTORIES[@]} -eq 0 ]; then
+    DIRECTORIES=("$(pwd)")
+fi
+
+# Replace template variables in output filename
+DATE_SHORT=$(date +"%Y%m%d")
+TIMESTAMP=$(date +"%Y-%m-%d_%H-%M-%S")
+OUTPUT="${OUTPUT//\{DATE\}/$DATE_SHORT}"
+OUTPUT="${OUTPUT//\{TIMESTAMP\}/$TIMESTAMP}"
+
+# Ensure the output directory exists
+OUTPUT_DIR=$(dirname "$OUTPUT")
+[ "$OUTPUT_DIR" != "/dev" ] && mkdir -p "$OUTPUT_DIR"
+
+# Timestamp for the snapshot
+TIMESTAMP_HUMAN=$(date +"%Y-%m-%d %H:%M:%S")
+EPOCH=$(date +%s)
+
+# Create a temporary file for processing
+TEMP_DATA=$(mktemp)
+trap 'rm -f "$TEMP_DATA"' EXIT
+
+# Collect data from all directories more efficiently
+for DIR in "${DIRECTORIES[@]}"; do
+    # Process entries directly without the separate xargs+stat calls
+    fd . "$DIR" -H -t f -t d -t l -0 | perl -0 -ne '
+        chomp;
+        $dir = "'$DIR'";
+        $path = $_;
+
+        if (-f $path) { $type = "file"; }
+        elsif (-d $path) { $type = "dir"; }
+        elsif (-l $path) { $type = "symlink"; }
+        else { $type = "other"; }
+
+        $rel_path = $path;
+        $rel_path =~ s/^\Q$dir\E\/?//;
+        $rel_path = "." if $rel_path eq "";
+
+        ($size, $modified, $perms) = (stat($path))[7, 9, 2];
+        $perms = sprintf("%o", $perms & 07777);
+
+        print "$type|$dir|$path|$size|$modified|$perms\n";
+    ' >>"$TEMP_DATA"
+done
+
+# Create output based on format
+case "$FORMAT" in
+csv)
+    {
+        echo "type,directory,path,size,modified,permissions"
+
+        # Process the collected data with proper CSV quoting and full directory paths
+        awk -F'|' '{
+            # Get the full directory path from column 2
+            dir_full = $2;
+
+            # Get relative path (path - dir prefix)
+            rel_path = $3;
+            gsub("^"$2"/", "", rel_path);
+            if (rel_path == $2) rel_path = ".";
+
+            # Properly quote fields that might contain commas
+            printf "%s,\"%s\",\"%s\",%s,%s,%s\n", 
+                $1, dir_full, rel_path, $4, $5, $6;
+        }' "$TEMP_DATA"
+    } >"$OUTPUT"
+    ;;
+json)
+    {
+        echo "{"
+        echo "  \"timestamp\": \"$TIMESTAMP_HUMAN\","
+        echo "  \"epoch\": $EPOCH,"
+        echo "  \"directories\": ["
+
+        # First output the list of directories
+        first_dir=true
+        for DIR in "${DIRECTORIES[@]}"; do
+            if $first_dir; then
+                first_dir=false
+            else
+                echo ","
+            fi
+            echo "    {"
+            echo "      \"path\": \"$DIR\","
+            echo "      \"name\": \"$(basename "$DIR")\""
+            echo -n "    }"
+        done
+        echo ""
+        echo "  ],"
+        echo "  \"entries\": ["
+
+        # Process entries for JSON output with proper null handling
+        awk -F'|' '
+        BEGIN { first = 1 }
+        {
+            if (!first) printf ",\n"
+            type = $1
+            dir = $2  # Full directory path
+            path = $3
+            size = $4
+            modified = $5
+            perms = $6
+
+            # Get relative path
+            rel_path = path
+            gsub("^"dir"/", "", rel_path)
+            if (rel_path == dir) rel_path = "."
+
+            # Format with null for empty values
+            printf "    {\n      \"type\": \"%s\",\n      \"directory\": \"%s\",\n      \"path\": \"%s\"", 
+                  type, dir, rel_path
+
+            # Handle potentially null values
+            if (size == "" || size == 0) 
+                printf ",\n      \"size\": null"
+            else
+                printf ",\n      \"size\": %s", size
+
+            if (modified == "")
+                printf ",\n      \"modified\": null"
+            else
+                printf ",\n      \"modified\": %s", modified
+
+            if (perms == "")
+                printf ",\n      \"permissions\": null"
+            else
+                printf ",\n      \"permissions\": \"%s\"", perms
+
+            printf "\n    }"
+            first = 0
+        }' "$TEMP_DATA"
+
+        echo ""
+        echo "  ]"
+        echo "}"
+    } >"$OUTPUT"
+    ;;
+*)
+    echo "Error: Unknown format: $FORMAT"
+    echo "Supported formats: csv, json"
+    exit 1
+    ;;
+esac
+
+# If output is not stdout, print a confirmation message
+if [[ "$OUTPUT" != "/dev/stdout" ]]; then
+    echo "Snapshot created: $OUTPUT"
+fi