04-28-2009
making a list matching certain criteria in bash...
Hello everyone!I am trying to make a mail list(a simple .txt file)in which i put certain records that match specific criteria.
Let's say that i have a(sorted by last column file)like this one:
0100567 Bla1 Lala1 100
1234567 Bla2 Lala2 80
8769029 Bla3 Lala3 70
1001007 Bla4 Lala4 10
What i need to do is to redirect the whole first line in the mail list file.If I had another record with '100' in the 4th column,that should enter the mail list too...So you understand that records that enter that mail list are only those who have the highest number in the 4th column(not every time '100',only in this example).
There is no way(and no need) to know the numbers in that last column,the only thing i know is that they are sorted from high to low.
//Nevermind solved it
//if anyone answers this,please tell me how i can send mail from that list...
Last edited by bashuser2; 04-28-2009 at 08:11 AM..
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MAIL(1) General Commands Manual MAIL(1)
NAME
mail - send and receive electronic mail
SYNOPSIS
mail [-dpqrv] [-f file] [user]
OPTIONS
-d Force use of the shell variable MAILER
-f Use file instead of /usr/spool/mail/user as mailbox
-p Print all mail and then exit
-q Quit program if SIGINT received
-r Reverse print order, i.e., print oldest first
-v Verbose mode
EXAMPLES
mail ast # Send a message to ast
mail # Read your mail
DESCRIPTION
Mail is an extremely simple electronic mail program. It can be used to send or receive email on a single MINIX system, in which case it
functions as user agent and local delivery agent. If the flag MAILER is defined in mail.c, it can also call a transport agent to handle
remote mail as well. No such agent is supplied with MINIX.
When called by user with no arguments, it examines the mailbox /usr/spool/mail/user, prints one message (depending on the -r flag), and
waits for one of the following commands:
<newline> Go to the next message
- Print the previous message
!command Fork off a shell and execute command
CTRL-D Update the mailbox and quit (same as q)
d Delete the current message and go to the next one
q Update the mailbox and quit (same as CTRL-D)
p Print the current message again
s [file] Save message in the named file
x Exit without updating the mailbox
To send mail, the program is called with the name of the recipient as an
argument. The mail is sent, along with a postmark line containing the date.
For local delivery, a file named after the recipient in the directory
/usr/spool/mail must be writable.
If the directory /usr/spool/mail does not exist then the mail is
dumped on the console, so that system programs have a way to notify
a user on a system that does not have a mail spool.
MAIL(1)