copy

# Copy — File & Data Copy Operations Reference Quick-reference skill for file copy strategies, rsync patterns, copy-on-write, and cross-platform synchronization. ## When to Use - Duplicating files or directory trees with specific filters - Setting up rsync-based backups or mirrors - Understanding copy-on-write (CoW) behavior - Implementing efficient copy strategies for large datasets - Troubleshooting copy failures and permission issues ## Commands ### `intro` ```bash scripts/script.sh intro ``` Overview of copy operations — types, semantics, and platform differences. ### `rsync` ```bash scripts/script.sh rsync ``` Rsync patterns — common flags, partial transfers, and include/exclude rules. ### `cow` ```bash scripts/script.sh cow ``` Copy-on-Write (CoW) — reflinks, filesystem support, and when to use. ### `patterns` ```bash scripts/script.sh patterns ``` Common copy patterns — mirroring, incremental, differential, snapshot. ### `filters` ```bash scripts/script.sh filters ``` File filtering techniques — by extension, date, size, and gitignore integration. ### `performance` ```bash scripts/script.sh performance ``` Performance optimization — buffer sizes, parallel copy, and I/O tuning. ### `errors` ```bash scripts/script.sh errors ``` Common copy errors, permissions issues, and troubleshooting guide. ### `checklist` ```bash scripts/script.sh checklist ``` Pre-copy and post-copy verification checklist. ### `help` ```bash scripts/script.sh help ``` ### `version` ```bash scripts/script.sh version ``` ## Configuration | Variable | Description | |----------|-------------| | `COPY_DIR` | Data directory (default: ~/.copy/) | --- *Powered by BytesAgain | bytesagain.com | hello@bytesagain.com*