Zippedscript May 2026

# Optimized: pre-calculated offset
ZIP_START=45  # Found via: grep -n "^__ZIP__$" script.sh | cut -d: -f1
tail -n +$ZIP_START "$0" | unzip -q -d /tmp/workspace

We tested ZippedScript against traditional methods on an AWS t3.micro instance with a cold cache.

| Task | Traditional Script (Python + pip) | ZippedScript | | :--- | :--- | :--- | | First run (with internet) | 18.2s (install deps + run) | 0.9s (mount + run) | | Second run (cached) | 1.4s | 0.8s | | Air-gapped server | ❌ Fails | ✅ Runs | | Disk space used | 45MB (venv) | 3.2MB (archive) | zippedscript

ZippedScript was 20x faster on first execution and consumed 14x less disk space. # Optimized: pre-calculated offset ZIP_START=45 # Found via:

Before sharing, the creator signs the ZippedScript with a private key: We tested ZippedScript against traditional methods on an

zsc sign app.zipscript --key dev.key

This generates a signature in the manifest. Any tampering—changing even a single byte of code or a dependency—will invalidate the signature.

Enable verbose extraction:

DEBUG=1 ./myapp.zipped
# Add to script:
[ -n "$DEBUG" ] && set -x

Common errors:

# Create encrypted payload
zip -e -r payload.zip files/ -P "$ZIP_PASSWORD"
# Extract in script
echo "$ZIP_PASSWORD" | tail -n +$ZIPSTART "$0" | funzip | tar x