AWK

Summary

Item	Value
API name	awk
source OCI image	alpine:3.22
per-job resource ceiling	1 vCPU, 256 MiB

The vCPU and RAM ceiling exists to prevent abuse; libkrun memory is elastic and the host only pays for what the guest touches.

Warmup

None: the base image already ships awk.

How the code is executed

The main file (the first in files) is the AWK program, executed with awk -f <file>. The job's stdin is the input the program processes, line by line. The awk is the one from the Alpine image (BusyBox). Everything runs in a directory under /tmp (tmpfs), in a fresh VM destroyed at the end of the job, with no network.

Building the image

rc image build --stack awk

Example

curl -s http://127.0.0.1:8080/api/v1/run \
  -H 'Content-Type: application/json' \
  -d '{
    "language": "awk",
    "files": [
      {"name": "main.awk", "content": "{ soma += $1 } END { print soma }\n"}
    ],
    "stdin": "10\n20\n12\n"
  }'

Expected stdout: 42.