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Full Discussion: how to take out common of two lines in a file
Top Forums UNIX for Advanced & Expert Users how to take out common of two lines in a file Post 302146003 by jam_ali49 on Friday 16th of November 2007 04:28:00 AM
Old 11-16-2007
Question how to take out common of two lines in a file
I use sed and awk. I am not a big expert but to some extent. I have file like this

PFA0165c ctg_6843
PFA0335w ctg_6843 ctg_6871 ctg_6977 ctg_6654 ctg_7052 ctg_6899 ctg_6840 ctg_7202 ctg_6638
PFA0155c ctg_6877 ctg_7169 ctg_7179 ctg_6843 ctg_6871

Now I want output like this

PFA0165c PFA0335w ctg_6843
PFA0165c PFA0335w PFA0155c ctg_6843

It means 1st columns of a line should be appended to that of next line. And in front of that common of these two lines should be printed. First white space is tab and subsequent single spaces in each line. Common word may be anywhere in line, like ctg_6843 is in 5th column in 3rd line.
 

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LEARN ABOUT MINIX

paste

PASTE(1)						      General Commands Manual							  PASTE(1)

NAME

       paste - paste multiple files together

SYNOPSIS

       paste [-s] [-d list] file...

OPTIONS

       -d     Set delimiter used to separate columns to list.

       -s     Print files sequentially, file k on line k.

EXAMPLES

       paste file1 file2   # Print file1 in col 1, file2 in col 2

       paste -s f1 f2	   # Print f1 on line 1 and f2 on line 2

       paste -d : file1 file2
			   # Print the lines separated by a colon

DESCRIPTION

       Paste  concatenates  corresponding  lines of the given input files and writes them to standard output. The lines of the different files are
       separated by the delimiters given with the option -s. If no list is given, a tab is substituted for every linefeed, except  the	last  one.
       If  end-of-file	is hit on an input file, subsequent lines are empty.  Suppose a set of k files each has one word per line.  Then the paste
       output will have k columns, with the contents of file j in column j.  If the -s flag is given, then the first file is on line 1, the second
       file on line 2, etc.  In effect, -s turns the output sideways.

       If  a list of delimiters is given, they are used in turn.  The C escape sequences 
, 	, \, and  are used for linefeed, tab, backslash,
       and the null string, respectively.

																	  PASTE(1)
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