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Full Discussion: MD5 File Parsing
Top Forums Shell Programming and Scripting MD5 File Parsing Post 302496372 by moshe88 on Sunday 13th of February 2011 10:47:06 PM
Old 02-13-2011
MD5 File Parsing

Hey Guys.
Here is another issue I'm struggling with: Smilie
I need wget to download only the files that has been changed. I use md5deep to generate the check sum files.

Here is a simple result; I'll call it $string for the example

Code:
0ce73169b069d11e38d6bd78796839c0  md5data
78cb11f2d943b48b8d5a00931cc454b1  md5rss
86ffb6728305730996451e43effa1738  myTextFile.txt
f385d56f26ca3859f48bd450c3e214bf  rss.txt

if I set -- $string, i can access each argument by using $# (where # is 1,2,3,etc..)

so:
echo $1 will print 0ce73169b069d11e38d6bd78796839c0
echo $2 will print md5data

however I'm not sure how to write $# in a for loop that will go through all of them.

So here is the logic of the loop I'm trying to create:

Code:
for I ; 1 to [number of arguments in the file] do; step 2
if $i != $string than download file $(i+1); end if
end for.

Any suggestions (or better ways to check md5 files and download only the files that are different?)


Thanks

Last edited by pludi; 02-14-2011 at 03:32 AM..
 

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download(1)							   User Commands						       download(1)

NAME
download - host resident PostScript font downloader SYNOPSIS
download [-f] [-p printer] [-m name] [-H directory] [file...] /usr/lib/lp/postscript/download DESCRIPTION
download prepends host resident fonts to files and writes the results on the standard output. If no files are specified, or if - is one of the input files, the standard input is read. download assumes the input files make up a single PostScript job and that requested fonts can be included at the start of each input file. Requested fonts are named in a comment (marked with %%DocumentFonts:) in the input files. Available fonts are the ones listed in the map table selected using the -m option. The map table consists of fontname-file pairs. The fontname is the full name of the PostScript font, exactly as it would appear in a %%Doc- umentFonts: comment. The file is the pathname of the host resident font. A file that begins with a / is used as is. Otherwise the pathname is relative to the host font directory. Comments are introduced by % (as in PostScript) and extend to the end of the line. The only candidates for downloading are fonts listed in the map table that point download to readable files. A font is downloaded once, at most. Requests for unlisted fonts or inaccessible files are ignored. All requests are ignored if the map table can not be read. OPTIONS
-f Force a complete scan of each input file. In the absence of an explicit comment pointing download to the end of the file, the default scan stops immediately after the PostScript header comments. -p printer Check the list of printer-resident fonts in /etc/lp/printers/printer/residentfonts before downloading. -m name Use name as the font map table. A name that begins with / is the full pathname of the map table and is used as is. Other- wise name is appended to the pathname of the host font directory. -H directory Use dir as the host font directory. The default is /usr/lib/lp/postscript. EXAMPLES
Example 1: Examples of the download command. The following map table could be used to control the downloading of the Bookman font family: % % The first string is the full PostScript font name. The second string % is the file name - relative to the host font directory unless it begins % with a /. % Bookman-Light bookman/light Bookman-LightItalic bookman/lightitalic Bookman-Demi bookman/demi Bookman-DemiItalic bookman/demiitalic Using the file myprinter/map (in the default host font directory) as the map table, you could download fonts by issuing the following command: example% download -m myprinter/map file EXIT STATUS
The following exit values are returned: 0 Successful completion. non-zero An error occurred. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWpsf | +-----------------------------+-----------------------------+ SEE ALSO
dpost(1), postdaisy(1), postdmd(1), postio(1), postmd(1), postprint(1), posttek(1), attributes(5) NOTES
The download program should be part of a more general program. download does not look for %%PageFonts: comments and there is no way to force multiple downloads of a particular font. Using full pathnames in either map tables or the names of map tables is not recommended. SunOS 5.10 9 Sep 1996 download(1)
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