# phpman > man > pnmtosgi(1) > **TLDR:** Convert a PNM file to an SGI image file. > - Convert a PNM image to an SGI image: `pnmtosgi {{path/to/input.pnm}} > {{path/to/output.sgi}}` - Disable or enable compression: `pnmtosgi -{{verbatim|rle}} {{path/to/input.pnm}} > {{path/to/output.sgi}}` - Write the specified string into the SGI image header's `imagename` field: `pnmtosgi {{-i|-imagename}} {{string}} {{path/to/input.pnm}} > {{path/to/output.sgi}}` *Source: tldr-pages* --- [pnmtosgi(1)](https://www.chedong.com/phpMan.php/man/pnmtosgi/1/markdown) General Commands Manual [pnmtosgi(1)](https://www.chedong.com/phpMan.php/man/pnmtosgi/1/markdown) ## NAME pnmtosgi - convert a portable anymap to a SGI image file ## SYNOPSIS **pnmtosgi** [**-verbatim**|**-rle**] [**-imagename** _Name_] [**pnmfile**] ## DESCRIPTION Reads a portable anymap as input. Produces an SGI image file as output. The SGI image will be 2-dimensional (1 channel) for PBM and PGM input, and 3-dimensional (3 channels) for PPM. ## OPTIONS ### -verbatim Write an uncompressed file. ### -rle (default) Write a compressed (run length encoded) file. ### -imagename name Write the string "name" into the imagename field of the header. The name string is limited to 79 characters. If no name is given, pnmtosgi writes "no name" into this field. ## BUGS Probably. ## REFERENCES SGI Image File Format documentation (draft v0.95) by Paul Haeberli (). Available via ftp at sgi.com:graphics/SGIIMAGESPEC. ## SEE ALSO [pnm(5)](https://www.chedong.com/phpMan.php/man/pnm/5/markdown), [sgitopnm(1)](https://www.chedong.com/phpMan.php/man/sgitopnm/1/markdown) ## AUTHOR Copyright (C) 1994 by Ingo Wilken () 29 Januar 1994 [pnmtosgi(1)](https://www.chedong.com/phpMan.php/man/pnmtosgi/1/markdown)