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Full Discussion: Basic unix command help plz
Top Forums UNIX for Dummies Questions & Answers Basic unix command help plz Post 302174866 by DILEEP410 on Wednesday 12th of March 2008 10:55:23 AM
Old 03-12-2008
Java

Quote:
Originally Posted by tragic54
I was wondering what command lines i could use to do the following.

1. mail a file to a user with a subject line "HELLO". Also, send a Blind carbon copy to a different user?

2. Display the number of files AND directories in a given directory?

3. Display the last 5 files in a given directory?

I've searched all the manual pages i could possibly think of and i can't seem to find the answers to these. Thanks!
Ans(Q1) :
mail -s HELLO person1@domain.com -b person2@domain.com <file.txt
(This will send the contents of the file as mail contents to person1 and blind carbon copies to person2)

uuencode file.txt file.txt | mail -s HELLO person1@domain.com -b person2@domain.com
(this will send the file as attachement to person1 and blind carbon copy to person2.Attachment can be send if and only if the file is encoded)


Ans(Q2) :
ls -Rl | awk 'BEGIN{d=0;f=0;l=0;}{if(/^d/){d++}else if(/^-/){f++}else if(/^l/){l++}}END{print "Directories: "d "\nFiles: " f "\nLinks: " l}'

Ans(Q3) :
ls | tail -5
(List the last five files in a directory)
 

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MHMAIL(1)                                                            [nmh-1.5]                                                           MHMAIL(1)

NAME
mhmail - send or read mail SYNOPSIS
mhmail [addrs ...] [-body text] [-cc addrs ...] [-from addr] [-subject subject] [-version] [-help] DESCRIPTION
mhmail is intended as a replacement for the standard Berkeley mail program (mail or mailx), which is compatible with nmh. This program is intended for the use of programs such as cron, which expect to send mail automatically to various users. It is also used by various nmh commands to mail various error notifications. Although mhmail can be used interactively, it is recommended that comp and send be used instead to send messages. When invoked without arguments, it simply invokes inc to incorporate new messages from the user's maildrop. When one or more users is specified, a message is read from the standard input and spooled to a temporary file. mhmail then invokes post with the name of the tempo- rary file as its argument to deliver the message to the specified user. The -subject subject switch can be used to specify the "Subject:" field of the message. By default, mhmail will read the message to be sent from the standard input. You can specify the text of the message at the command line with the -body text switch. If the standard input has zero length, mhmail will not send the message. You can use the switch -body "" to force an empty message. Normally, addresses appearing as arguments are put in the "To:" field. If the -cc switch is used, all addresses following it are placed in the "cc:" field. By using -from addr, you can specify the "From:" header of the draft. Naturally, post will fill-in the "Sender:" header correctly. FILES
/usr/bin/mh/inc Program to incorporate maildrop into folder /usr/lib/mh/post Program to deliver a message /tmp/mhmail* Temporary copy of message SEE ALSO
inc(1), post(8) DEFAULTS
None CONTEXT
If inc is invoked, then inc's context changes occur. MH.6.8 11 June 2012 MHMAIL(1)
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