01-10-2012
I have different number of lines in each file and the output I need is not as straight forward.
Last edited by mary271; 01-10-2012 at 07:06 PM..
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I need to join two files based on first column of both files.If first column of first file matches with the first column of second file, then the lines should be merged together and go for next line to check. It is something like:
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Can anyone suggest quick way to get desired output?
Sample input file content:
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LEARN ABOUT FREEBSD
forward
FORWARD(5) BSD File Formats Manual FORWARD(5)
NAME
forward -- mail forwarding instructions
DESCRIPTION
The .forward file contains a list of mail addresses or programs that the user's mail should be redirected to. If the file is not present,
then no mail forwarding will be done. Mail may also be forwarded as the standard input to a program by prefixing the line with the normal
shell pipe symbol (|). If arguments are to be passed to the command, then the entire line should be enclosed in quotes. For security rea-
sons, the .forward file must be owned by the user the mail is being sent to, or by root, and the user's shell must be listed in /etc/shells.
For example, if a .forward file contained the following lines:
nobody@FreeBSD.org
"|/usr/bin/vacation nobody"
Mail would be forwarded to <nobody@FreeBSD.org> and to the program /usr/bin/vacation with the single argument nobody.
If a local user address is prefixed with a backslash character, mail is delivered directly to the user's mail spool file, bypassing further
redirection.
For example, if user chris had a .forward file containing the following lines:
chris@otherhost
chris
One copy of mail would be forwarded to chris@otherhost and another copy would be retained as mail for local user chris.
FILES
$HOME/.forward The user's forwarding instructions.
SEE ALSO
aliases(5), mailaddr(7), sendmail(8)
BSD
July 2, 1996 BSD