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ns_jpegsize(n) 4.99 "NaviServer Built-in Commands"

NAME

ns_jpegsize - Determine the width and height of a JPEG image

TABLE OF CONTENTS

    TABLE OF CONTENTS
    SYNOPSIS
    DESCRIPTION
    COMMANDS
    EXAMPLES
    SEE ALSO
    KEYWORDS

SYNOPSIS

ns_jpegsize filename

DESCRIPTION

Returns a list of two elements, the width and height of the JPEG file specified by filename. An error is generated if the file does not exist or if it is not a JPEG file.

COMMANDS

ns_jpegsize filename

EXAMPLES

 
   % ns_jpegsize screenshot.jpg
   1024 768

 
   % ns_jpegsize test.html
   invalid JPEG file: "test.html"

SEE ALSO

nsd

KEYWORDS

ns_gifsize , ns_imgmime , ns_imgsize , ns_imgtype , ns_pngsize