# teip
> Select partial stdin and replace with the result of another command

## Summary
Apply commands to selected portions of stdin while leaving the rest unchanged

## Capabilities
- Select parts of stdin with regex or fields
- Apply commands to selected portions only
- Leave non-selected parts unchanged
- Compose with other Unix commands

## When to Use
- When you need to transform only part of text input
- When piping data through selective transformations

## When NOT to Use
- When transforming entire input

## Related Tools
- [hck](/tools/hck) (complementary)
- [tuc](/tools/tuc) (complementary)
- [amber](/tools/amber) (complementary)

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Source: https://littlescripts.sh/tools/teip
