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1992-04-20
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XC.COM - ExtractComment Version 1.00b 17-Apr-92
Copyright (C) 1992 Larry Wood and Tom Potocki
XC is a GIF89a data stream utility. It extracts, from GIF89a data streams,
Comment Extension Blocks.
XC extracts comment blocks to one or more disk files.
XC requires no paramaters on the commandline. If no paramaters are entered,
the current drive and default directory are use for both optional paramaters.
XC's default source filespec is *.GIF and this will be used for the source
paramater.
XC's default destination filespec is *.TXT and this will be used for the
destination paramater.
XC will recognize two paramaters, the source and the destination. The source
can be a drive, directory, filename, or combination, with wildcards supported.
This paramater specifies the source of the GIF data stream(s). The extension
.GIF is appended to the filename if no extension is supplied. To defeat this,
end the filename with a period " . ".
Example: C>XC PIRATE looks for PIRATE.GIF
C>XC PIRATE. looks for PIRATE
If the destination is a unique filename XC will write all comment extension
blocks, from all source files, to this one file.
If the destination is not a unique filename, but a drive or directory, XC will
write all comment extensions, from each source file, to a file having the
same name as the source file. The default filename extension is TXT.
The default destination filename extension may be specified by using an
asterisk, " * ", in place of the filename, in the destination paramater.
Example: C>XC D:\PHOTOS *.CMT
This will extract comments from all files in D:\PHOTOS having .GIF
as an extension, and write those comments to files, with the same
names, and with .CMT as the extentions. These files will be put
in the default directory of C drive.
Some example commandlines:
C>XC POPPY6
This will extract all comment blocks from the file POPPY6.GIF, if it is
a GIF89a data stream. The comment blocks will be written to a file with
the name POPPY6.TXT, in the default directory of drive C.
C>XC UTILITY
This will extract all comment blocks, from all GIF89a data stream files
having .GIF extensions, in the C:UTILITY directory. All comment blocks
from each source will be written to a file with the same name as the
source, and with an extension of .TXT.
C>XC UTILITY D:*.CMT
This will extract all comment blocks, from all GIF89a data stream files
having .GIF extensions, in the C:UTILITY directory. All comment blocks
in each data stream will be written to a file having the same name as the
source, and with .CMT as it's extension. These files will be put in the
default directory of D drive.
C>XC NEWPIX D:COMMENTS.NEW
This will extract all comment blocks, from all GIF89a data stream files
having .GIF extensions, in the C:NEWPIX directory. All comment blocks
in all data streams will be written to a single file named COMMENTS.NEW.
This file will be put in the default directory of D drive.
Amen.