Comparing two files Post: 302187849

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Top Forums Shell Programming and Scripting Comparing two files Post 302187849 by aigles on Tuesday 22nd of April 2008 05:13:28 AM

04-22-2008

Registered User

Code:

awk '

/^Table Name/ {                             # Select lines starting with 'Table Name'
   table = $3;                              # Memorize table name into variable
   tables[table]++                          #   and array
}                                           #

! NF || /^-+/ {                             # Select empty and delimiter lines 
   next                                     # Proceed next line (skip selected lines)
}                                           #

NR == FNR {                                 # Select lines from first input file 
   stats1[table] = stats1[table] $0 ORS;    # Memorize stats's table
   next                                     # Proceed next line
}

{                                           # Lines comes from second input file 
   stats2[table] = stats2[table] $0 ORS;    # Memorize stats's table
   next                                     # Proceed next line
}                                           #

END {                                       # All files have been read
   for (t in tables) {                      # For all memorized tables
      if (stats1[t] != stats2[t]) {         #    If stats mismatch
         out = "==========================================" ORS;
         out = out stats1[t] ORS stats2[t]; #
         print out                          #       Output sep line and stats
      }                                     #
   }                                        #
}                                           #

' stats1.dat stats2.dat

Jean-Pierre.

aigles

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LEARN ABOUT DEBIAN

html::tableparser::table

HTML::TableParser::Table(3pm)				User Contributed Perl Documentation			     HTML::TableParser::Table(3pm)

NAME

       HTML::TableParser::Table - support class for HTML::TableParser

DESCRIPTION

       This class is used to keep track of information related to a table and to create the information passed back to the user callbacks.  It is
       in charge of marshalling the massaged header and row data to the user callbacks.

       An instance is created when the controlling TableParser class finds a "<table" tag.  The object is given an id based upon which table it is
       to work on.  Its methods are invoked from the TableParser callbacks when they run across an appropriate tag ("tr", "th", "td").	The object
       is destroyed when the matching "/table" tag is found.

       Since tables may be nested, multiple HTML::TableParser::Table objects may exist simultaneously.	HTML::TableParser uses two pieces of
       information held by this class -- ids and process.  The first is an array of table ids, one element per level of table nesting.	The second
       is a flag indicating whether this table is being processed (i.e. it matches a requested table) or being ignored.  Since HTML::TableParser
       uses the ids information from an existing table to initialize a new table, it first creates an empty sentinel (place holder) table (by
       calling the HTML::TableParser::Table constructor with no arguments).

       The class handles missing "/tr", "/td", and "/th" tags.	As such (especially when handling multi-row headers) user callbacks may be
       slightly delayed (and data cached).  It also handles rows with overlapping columns

LICENSE

       This software is released under the GNU General Public License.	You may find a copy at

	  http://www.fsf.org/copyleft/gpl.html

AUTHOR

       Diab Jerius (djerius@cpan.org)

SEE ALSO

       HTML::Parser, HTML::TableExtract.

perl v5.10.0							    2007-09-21					     HTML::TableParser::Table(3pm)

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