Linux command
pnmfile 命令
文件
复制后可按需替换文件名、目录或参数。
常用示例
Show image information
pnmfile [image.pnm]
Show info for multiple files
pnmfile [file1.pnm] [file2.pnm]
Machine-readable output
pnmfile -machine [image.pnm]
说明
pnmfile displays information about PNM image files including the format type (PBM, PGM, or PPM), dimensions (width and height), maximum sample value, and whether the file uses ASCII (plain) or binary (raw) encoding. The -machine flag outputs in a parseable format suitable for scripting. Part of the Netpbm toolkit; superseded by pamfile, which also handles PAM format files.
参数
- -machine
- Machine-readable output format, printing type, width, height, depth, and maxval as space-separated values.
FAQ
What is the pnmfile command used for?
pnmfile displays information about PNM image files including the format type (PBM, PGM, or PPM), dimensions (width and height), maximum sample value, and whether the file uses ASCII (plain) or binary (raw) encoding. The -machine flag outputs in a parseable format suitable for scripting. Part of the Netpbm toolkit; superseded by pamfile, which also handles PAM format files.
How do I run a basic pnmfile example?
Run `pnmfile [image.pnm]` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -machine do in pnmfile?
Machine-readable output format, printing type, width, height, depth, and maxval as space-separated values.