pnmsplit Man page

pnmsplit General Commands Manual pnmsplit


pnmsplit – split a multi-image portable anymap into multiple single-
image files


pnmsplit [pnmfile[ output_file_pattern]]


Reads a Netpbm file as input. Copies each image in the input into a
separate file, in the same format.

pnmfile is the file specification of the input file, or – to indicate
Standard Input. The default is Standard Input.

output_file_pattern tells how to name the output files. It is the file
specification of the output file, except that the first occurence of
“%d” in it is replaced by the image sequence number in unpadded ASCII
decimal, with the sequence starting at 0. If there is no “%d” in the
pattern, pnmsplit fails.

The default output file pattern is “image%d”.

Note that to do the reverse operation (combining multiple single-image
PNM files into a multi-image one), there is no special Netpbm program.
Just use cat.


pnm(5), cat


Written by Bryan Henderson

19 June 2000 pnmsplit

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