Bash cript to calculate summarize address Post: 302965464

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check if argument is an ip address in bash/sh

Hi all, Can you please suggest a few lines of if statement to check if a variable is an ip address purely in bash/sh? Thanks, Marc

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Project with somewhat simple bourne shell cript..

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Hi, I am having two variables IP="10.150.12.1" netmask="255.255.255.0" To get network number, I know that a bitwise & will help. networkno=IP & netmask My code is #!/usr/bin/ksh ip="10.150.12.1" netmask="255.255.255.0" networkno="$ip" & "$netmask" echo $networkno I am...

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bashbug

BASHBUG(1)						      General Commands Manual							BASHBUG(1)

NAME

       bashbug - report a bug in bash

SYNOPSIS

       bashbug [--version] [--help] [email-address]

DESCRIPTION

       bashbug	is  a shell script to help the user compose and mail bug reports concerning bash in a standard format.	bashbug invokes the editor
       specified by the environment variable EDITOR on a temporary copy of the bug report format outline. The user must fill  in  the  appropriate
       fields  and  exit  the  editor.	 bashbug  then	mails the completed report to bug-bash@gnu.org, or email-address.  If the report cannot be
       mailed, it is saved in the file dead.bashbug in the invoking user's home directory.

       The bug report format outline consists of several sections.  The first section provides information about the  machine,	operating  system,
       the  bash  version, and the compilation environment.  The second section should be filled in with a description of the bug.  The third sec-
       tion should be a description of how to reproduce the bug.  The optional fourth section is for a proposed fix.  Fixes are encouraged.

ENVIRONMENT

       bashbug will utilize the following environment variables if they exist:

       EDITOR Specifies the preferred editor. If EDITOR is not set, bashbug defaults to emacs.

       HOME   Directory in which the failed bug report is saved if the mail fails.

       TMPDIR Directory in which to create temporary files and directories.

SEE ALSO

       bash(1)

AUTHORS

       Brian Fox, Free Software Foundation
       bfox@gnu.org

       Chet Ramey, Case Western Reserve University
       chet@po.cwru.edu

GNU Bash-4.0							   1998 July 30 							BASHBUG(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

check if argument is an ip address in bash/sh

Discussion started by: marcpascual

2. Shell Programming and Scripting

sort and summarize

Discussion started by: shotronix

3. UNIX for Dummies Questions & Answers

Project with somewhat simple bourne shell cript..

Discussion started by: Generic

4. Shell Programming and Scripting

how to calculate netwrk from IP address and netmask using Bitwise AND in shell script

Discussion started by: chaitanyapn