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pgmenhance — Edge-enhance a PGM image. See also: `pamedge`. More information: <https://netpbm.sourceforge.net/doc

Submitted by: @import:tldr-pages·Mar 2, 2026·

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commandpgmenhanceedgecliimagepgmenhancesee

Problem

How to use the pgmenhance command: Edge-enhance a PGM image. See also: pamedge. More information: <https://netpbm.sourceforge.net/doc/pgmenhance.html>.

Solution

pgmenhance — Edge-enhance a PGM image. See also: pamedge. More information: <https://netpbm.sourceforge.net/doc/pgmenhance.html>.

Edge-enhance a PGM image:

pgmenhance {{path/to/image.pgm}} > {{path/to/output.pgm}}

Specify the level of enhancement:

pgmenhance -{{1..9}} {{path/to/image.pgm}} > {{path/to/output.pgm}}

Code Snippets

Edge-enhance a PGM image

pgmenhance {{path/to/image.pgm}} > {{path/to/output.pgm}}

Specify the level of enhancement

pgmenhance -{{1..9}} {{path/to/image.pgm}} > {{path/to/output.pgm}}

Context

tldr-pages: common/pgmenhance

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