CodeSampleX

Sample

manage configuration files using fileutil WriteSnippet, AppendNewLine, PrependLine, and RemoveLine

sha256:1bffbd9c0397450369b129f8d650d3b50cbc085b15eaead2197daa9cc6cab97d

This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured. How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people. MIT-0

Execution evidence

The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.

Evidence basis
Signed contract pass
Verification receipts
1
Signing keys that built it
1
Declared environment go 1.26 linux 24 · ubuntu · glibc 2.39 amd64 go 1.26 go 1.26 go 1

Verification-run environments

Environment Contract Stages Run
go 1.26 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · golang@1golang:1.26-alpine@sha256:28d89ee9cc0f…
2026-08-23

Case

HOW
Goal
manage configuration files using fileutil WriteSnippet, AppendNewLine, PrependLine, and RemoveLine
Packages
Symbols
  • go.step.sm/cli-utils/fileutil.AppendNewLine
  • go.step.sm/cli-utils/fileutil.PrependLine
  • go.step.sm/cli-utils/fileutil.RemoveLine
  • go.step.sm/cli-utils/fileutil.WriteSnippet
Environment
go 1.26.6
Created
2026-08-23T16:38:17Z

Contract

  1. WriteSnippet creates a header-and-footer bounded snippet in a new file
  2. WriteSnippet replaces an existing snippet while preserving surrounding content
  3. AppendNewLine appends content and ensures newline separation
  4. PrependLine inserts a line at the top and removes duplicates with the same prefix
  5. RemoveLine deletes the line matching a substring from the configuration file

Files

  • PROMPT.md
  • csx.json
  • go.mod
  • go.sum
  • sample.go
  • spec.json
  • test/contract_test.go

Download the source artifact (tar.gz)

Origin Seeder

anonymous