imgsizer - Online in the Cloud

CHƯƠNG TRÌNH:

TÊN

imgsizer - automatically splice in height and width params for HTML IMG tags

SYNOPSIS

imgsizer [-d hồ sơ] [--document-root hồ sơ] [-h hồ sơ] [--help hồ sơ] [-n] [- không ghi đè]
[HTMLFile] [-v hồ sơ] [--version]

LỰA CHỌN

thông tin phiên bản màn hình và thoát.

Hiển thị thông tin sử dụng.

Directory where absolute image filenames (i.e, ones which contain a leading "/") may be
tìm.

-n, --no-overwwrite, .SH DESCRIPTION
Sản phẩm imgsizer script automates away the tedious task of creating and updating the
extension HEIGHT and WIDTH parameters in HTML IMG tags. These parameters help many
browsers (including the Netscape/Mozilla family) to multi-thread image loading,
instead of having to load images in strict sequence in order to have each one's
dimensions available so the next can be placed. This generally allows text on the
remainder of the page to load much faster.

This script will try create such attributes for any IMG tag that lacks them. It will
correct existing HEIGHT and WIDTH tags unless either contains a percent (%) sign, in which
case the existing dimensions are presumed to be relative and left unaltered.

This script may be called with no arguments. In this mode, it filters HTML presented on
stdin to HTML (unaltered except for added or corrected HEIGHT and WIDTH attributes) on
stdout. If called with file arguments, it will attempt to transform each file in place.
Each argument file is not actually modified until the script completes a successful
conversion pass.

Sản phẩm -d <directory> option sets the DocumentRoot, where images with an absolute filename
(i.e., ones which contain a leading "/") may be found. If none is specified, the
DocumentRoot defaults to the current working directory.

The -n (no-overwrite) opion prevents the program from overwriting existing width and
height tags if both are present.

Additional options may also be specified in the environmental variable "IMGSIZER". For
example, to avoid typing "imgsizer -d /var/www/docs" each time imgsizer is invoked, you
might tell sh (or one of its descendants):

IMGSIZER="-d /var/www/docs"; export IMGSIZER

or, if you use csh:

setenv IMGSIZER "-d /var/www/docs"

This script is written in Python, and thus requires a Python interpreter on the host
system. It also requires either the xác định(1) utility distributed in the open-source
ImageMagick suite of image-display and manipulation tools, or a modern version of hồ sơ(1)
và rdjpgcom(1). These utilities are used to extract sizes from the images; imgsizer
itself has no knowledge of graphics formats. The script will handle any image format known
đến xác định(1) including PNG, GIF, JPEG, XBM, XPM, PostScript, BMP, TIFF, and anything
else even remotely likely to show up as an inline image.

LƯU Ý

The -q, -l, and -m options of the 1.0 versions are gone. What they used to do has been
made unnecessary by smarter logic.

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