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Top Forums UNIX for Beginners Questions & Answers Ping certain range of ip address Post 302986345 by Meeran Rizvi on Thursday 24th of November 2016 01:31:04 AM
Old 11-24-2016
Hey Rudic,
Thanks for the information
As u said there should be no space after the = sign
i just changed the code like this,its working as expected
Code:
echo "Enter the initial ip:"
read inip
echo "Enter the end ip:"
read endip
a=$(echo $inip | awk -F. '{print $4}')
b=$(echo $endip | awk -F. '{print $4}')
c=$(echo $inip | head -c10)

pingfunc ()
{
for (( i=$a; i<=$b; i++ ))
do 
if ping -c 4 $c$i
then
echo "pingable"
else
echo "not pingable"
fi
done
}
pingfunc
echo "Done"


Last edited by Meeran Rizvi; 11-24-2016 at 04:16 AM..
 

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line(1) 						      General Commands Manual							   line(1)

NAME
line - Reads one line from standard input SYNOPSIS
line STANDARDS
Interfaces documented on this reference page conform to industry standards as follows: line: XCU5.0 Refer to the standards(5) reference page for more information about industry standards and associated tags. OPTIONS
None DESCRIPTION
The line command copies one line, up to and including a newline, from standard input and writes it to standard output. Use this command within a shell command file to read from your terminal. The line command always writes at least a newline character. NOTES
The line utility has no internationalization features and is marked LEGACY in XCU Issue 5. Use the read utility instead. EXIT STATUS
Success. End-of-File. EXAMPLES
To read a line from the keyboard and append it to a file, enter: echo 'Enter comments for the log:' echo ': c' line >>log This shell procedure displays the message: Enter comments for the log: It then reads a line of text from the keyboard and adds it to the end of the file log. The echo ': c' command displays a : (colon) prompt. See the echo command for information about the c escape sequence. SEE ALSO
Commands: echo(1), ksh(1), read(1), Bourne shell sh(1b), POSIX shell sh(1p) Functions: read(2) Standards: standards(5) line(1)
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