Initial commit

scripts/remove-small-dirs

@@ -0,0 +1,107 @@
+#!/usr/bin/env bash
+# Remove directories below a specified size (in KB)
+# Usage: remove-small-dirs DIRECTORY [SIZE_THRESHOLD]
+# Default SIZE_THRESHOLD is 1000 KB
+
+set -euo pipefail
+
+usage() {
+    cat <<-EOF
+	Usage: remove-small-dirs [OPTIONS] DIRECTORY [SIZE_THRESHOLD]
+	
+	Remove directories below a specified size (default: 1000 KB).
+	
+	OPTIONS:
+	  -n, --dry-run    Show what would be removed without deleting
+	  -h, --help       Display this help message
+	
+	ARGUMENTS:
+	  DIRECTORY        Directory to search for small directories
+	  SIZE_THRESHOLD   Maximum size in KB (default: 1000)
+	EOF
+}
+
+# Parse options
+DRY_RUN=false
+while [[ $# -gt 0 ]]; do
+    case "$1" in
+        -n|--dry-run)
+            DRY_RUN=true
+            shift
+            ;;
+        -h|--help)
+            usage
+            exit 0
+            ;;
+        -*)
+            echo "[ERROR] Unknown option: $1" >&2
+            usage
+            exit 1
+            ;;
+        *)
+            break
+            ;;
+    esac
+done
+
+if [[ $# -lt 1 ]]; then
+    echo "[ERROR] You must provide a directory." >&2
+    usage
+    exit 1
+fi
+
+dir="$1"
+SIZE="${2:-1000}"
+
+if [[ ! -d "$dir" ]]; then
+    echo "[ERROR] Directory does not exist: $dir" >&2
+    exit 1
+fi
+
+if ! [[ "$SIZE" =~ ^[0-9]+$ ]] || [[ "$SIZE" -lt 1 ]]; then
+    echo "[ERROR] SIZE_THRESHOLD must be a positive integer" >&2
+    exit 1
+fi
+
+echo "[INFO] Searching for directories <= $SIZE KB in '$dir'..."
+
+# Find directories with size less or equal to SIZE
+# Sort by depth (deepest first) to avoid removing parent before child
+small_dirs=$(find "$dir" -mindepth 1 -type d -exec du -ks {} + | \
+    awk -v size="$SIZE" '$1 <= size {print $2}' | \
+    awk '{ print length, $0 }' | sort -rn | cut -d' ' -f2-)
+
+if [[ -z "$small_dirs" ]]; then
+    echo "[INFO] No directories with size <= $SIZE KB found in '$dir'."
+    exit 0
+fi
+
+echo "[INFO] Found $(echo "$small_dirs" | wc -l) directories to remove:"
+echo "$small_dirs"
+
+if [[ "$DRY_RUN" == true ]]; then
+    echo "[DRY-RUN] Would remove the above directories."
+    exit 0
+fi
+
+read -r -p "Remove these directories? [y/N] " response
+response="${response,,}"  # Convert to lowercase
+
+if [[ ! "$response" =~ ^(yes|y)$ ]]; then
+    echo "[INFO] Exiting, no changes were made."
+    exit 0
+fi
+
+count=0
+while IFS= read -r small_dir; do
+    if [[ -d "$small_dir" ]]; then
+        echo "[INFO] Removing: $small_dir"
+        if rm -rf "$small_dir"; then
+            ((count++))
+        else
+            echo "[ERROR] Failed to remove: $small_dir" >&2
+        fi
+    fi
+done <<< "$small_dirs"
+
+echo "[SUCCESS] Removed $count directories."