---
name: "pbm_findskew"
section: "1"
platform: "linux"
package: "pagetools"
version: "0.1-3.1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/pbm_findskew"
---

# pbm\_findskew(1)

determine text skew angle

## NAME

pbm\_findskew - determine text skew angle

## SYNOPSIS

**pbm\_findskew** \[**-options**\] pbmfile

## DESCRIPTION

Reads a file in PBM format as input. Writes out the skew angle (in degrees, floating-point decimal). The skew angle is defined as the angle by which the image must be  rotated counterclockwise to obtain a normally oriented text with horizontal lines.

## OPTIONS

- **-options**

  So far no options are implemented. In the future, **pbm\_findskew** might accept options.

- **pbmfile**

  Name of a PBM file containing a black/white bitmap.

## SEE ALSO

[**pnm**(5)](/pnm/5.md), [**file**(1)](/file/1.md)

## AUTHOR

Copyright (C) 2005 by yet.