scripts/programs/code posted to www.unix.com Post: 60152

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Top Forums UNIX for Beginners Questions & Answers Answers to Frequently Asked Questions scripts/programs/code posted to www.unix.com Post 60152 by Perderabo on Tuesday 11th of January 2005 01:04:44 PM

01-11-2005

Administrator Emeritus

scripts/programs/code posted to www.unix.com

Every now and then our users post complete programs to this site. It is especially important that these contributions don't get lost, so I will collect them here. Some of these programs are intended to demonstrate a programming technique and some are ready to run. As a guideline, the code linked in this thread should be general enough to be useful to a large number of users.

ksh Scripts

scroller a scrolling tool a bit like more
datecalc date calculation tool for use by other scripts
display file mode turns symbolic permissions from ls back to octal
HardFeed recursive ftp
changepass automate password changes on multiple systems
weekselector extend the capabilities of a crontab
swordfish a password generator
mimetool mail with attachment
mimesender mail with several attachments
packed decimal convert integer to packed decimal

perl Scripts

keep_alive monitor a program and restart it if it dies
mail_attachment mail with attachments
filesystem_check send email if free space is low
verify_password how to verify a password
adduser add a user

C Programs

nodoff sleep for less than a second
gethostbyname example how to use gethostbyname
termio vs termios how to read one character
microseconds how to get system time in microseconds
intentional bus error understanding what causes a bus error

Last edited by Perderabo; 04-05-2005 at 08:28 PM..

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LEARN ABOUT DEBIAN

mhmail

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)