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Full Discussion: Show the Difference between two files
Top Forums Shell Programming and Scripting Show the Difference between two files Post 302110284 by ghostdog74 on Monday 12th of March 2007 12:14:53 AM
Old 03-12-2007
If you have Python and know the language, here's an alternative:
Code:
#!/usr/bin/python
for line in open("file2"):
    line = line.strip() #get rid of newlines
    name,entry = line.split(' ',1)
    for lin in open("file1"):
        lin = lin.strip()
        if lin.startswith(name):
                for e in entry.split():
                    lin = lin.replace(e , "")
                print "Output: ", lin

output:
Code:
/test # ./test.py
Output:  allan  entry2
Output:  bob  entry2 entry3

 

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LEARN ABOUT DEBIAN

apt-extracttemplates

APT-EXTRACTTEMPLATE(1)							APT						    APT-EXTRACTTEMPLATE(1)

NAME

       apt-extracttemplates - Utility to extract debconf config and templates from Debian packages

SYNOPSIS

       apt-extracttemplates [-t=temporary_directory] filename... {-v | --version} {-h | --help}

DESCRIPTION

       apt-extracttemplates will take one or more Debian package files as input and write out (to a temporary directory) all associated config
       scripts and template files. For each passed in package that contains config scripts and templates, one line of output will be generated in
       the format:

       package version template-file config-script

       template-file and config-script are written to the temporary directory specified by the -t or --tempdir (APT::ExtractTemplates::TempDir)
       directory, with filenames of the form package.template.XXXX and package.config.XXXX

OPTIONS

       All command line options may be set using the configuration file, the descriptions indicate the configuration option to set. For boolean
       options you can override the config file by using something like -f-,--no-f, -f=no or several other variations.

       -t, --tempdir
	   Temporary directory in which to write extracted debconf template files and config scripts. Configuration Item:
	   APT::ExtractTemplates::TempDir

       -h, --help
	   Show a short usage summary.

       -v, --version
	   Show the program version.

       -c, --config-file
	   Configuration File; Specify a configuration file to use. The program will read the default configuration file and then this
	   configuration file. If configuration settings need to be set before the default configuration files are parsed specify a file with the
	   APT_CONFIG environment variable. See apt.conf(5) for syntax information.

       -o, --option
	   Set a Configuration Option; This will set an arbitrary configuration option. The syntax is -o Foo::Bar=bar.	-o and --option can be
	   used multiple times to set different options.

SEE ALSO

       apt.conf(5)

DIAGNOSTICS

       apt-extracttemplates returns zero on normal operation, decimal 100 on error.

BUGS

       APT bug page[1]. If you wish to report a bug in APT, please see /usr/share/doc/debian/bug-reporting.txt or the reportbug(1) command.

AUTHORS

       Jason Gunthorpe

       APT team

NOTES

	1. APT bug page
	   http://bugs.debian.org/src:apt

APT 0.9.7.9							   09 June 2012 					    APT-EXTRACTTEMPLATE(1)
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