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Full Discussion: Help me please to fix my error
Top Forums Shell Programming and Scripting Help me please to fix my error Post 302862525 by Manu1234567 on Friday 11th of October 2013 12:44:25 AM
Old 10-11-2013
Help me please to fix my error
Can you help me to fix my error please?! I checked the code and I think there is no mistake, but when I run it gives me error such
line 1: /Users/Manu/trials/hosts: is a directory
sort: open failed: /Users/Manu/trials/hosts/*: No such file or directory
Help me please...

mycode NAME value.
It creates file with NAME and value inside the file (first line).
Second line iin file is number generated by my code.
ex:
my_code Manu rtry466ry
-> cat Manu
rtry466ry
192.168.1.1.

mycode:

Code:
DIR=` /Users/Manu/trials/hosts `
 for i in $1 $2
        do
        if [ "$(ls -A $DIR)" ]
              then
              sort /Users/Manu/trials/hosts/* | head -2 |  tail -1 |
                    while IFS="." read A B C D
                    do
                    if [ $((++D)) -eq 255 ]
                        then
                        ((C++));
                         D=0;
                    fi
    
              echo $2 "\n" $A.$B.$C.$D. >/Users/Manu/trials/hosts/$1
              done
          else 
            echo $2 "\n" "192.168.1.1." >/Users/Manu/trials/hosts/$1
              fi
              done

 

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LEARN ABOUT MINIX

hosts

HOSTS(5)							File Formats Manual							  HOSTS(5)

NAME

       hosts - hostname to IP address database

SYNOPSIS

       /etc/hosts

DESCRIPTION

       The  hosts  database  lists the IP addresses and the hostnames that translate to these IP addresses.  It is used by nonamed(8) in a network
       without name servers.  A simple /etc/hosts may look like this:

	      127.0.0.1      localhost
	      192.9.200.1    darask
	      192.9.200.2    burask

       The localhost entry lists a special address that refers to the local host itself (a kind of /dev/tty for hosts.)  You should only  list	it
       if nonamed needs it!  The other entries are actual machines.  The file may contain comments marked with '#'.

       You  can  have  aliases	(more  hostnames on the same line), but it is not recommended, because nonamed can't present them to the system as
       CNAME records.  An often seen form like

	      192.9.200.1    darask.home.cs.vu.nl  darask

       is harmless though, and has the small advantage that you can use the short name in /etc/ethers so rarpd can match it at boot time.

FILES

       /etc/hosts     Hosts database.

SEE ALSO

       ethers(5), nonamed(8), rarpd(8), boot(8).

AUTHOR

       Kees J. Bot (kjb@cs.vu.nl)

																	  HOSTS(5)
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