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Full Discussion: Array output through a for loop problematic with multiple elements.
Top Forums Shell Programming and Scripting Array output through a for loop problematic with multiple elements. Post 302560768 by Azrael on Saturday 1st of October 2011 03:17:23 AM
Old 10-01-2011
Quote:
Hopefully, something in this post is of some use to you. If not, provide us with more information such as your platform/operating system, sample output from the commands you're running...
Debian Linux (Squeeze & Sid)

Quote:
The grep|awk|sed|cut|sed|sort|uniq pipeline can be replaced by a single awk invocation:

Code:
awk '/inet addr/ && $2!="127.0.0.1" && !a[$2]++ {sub(/\.[^.]*$/, "", $2); print substr($2,6)}'
This did not work. In particular:
$2!="127.0.0.1" && !a[$2]++ Which should be pretty cross platform.

Code:
# ./broken.sh
Invalid target host specification: 127.0.0
QUITTING!

I noticed what you said was true with the loop. I thought it was odd, but some site showed me to do it like that while outputting array elements. I changed everything to y and I piped through sed to remove 127.0.0.1 again and...

Code:
# ./broken.sh
Invalid target host specification: 192.168.12
QUITTING!

Code:
#!/bin/bash

x=5.21

zero+=( "$(/sbin/ifconfig |  sed -e '/127.0.0.1/d' | awk '/inet addr/ && $2!="127.0.0.1" && !a[$2]++ {sub(/\.[^.]*$/, "", $2); print substr($2,6)}')" )


v=`nmap --version | grep "Nmap" | awk '{ print $3 }'`


for i in "${zero[@]}"
do
        if [ $v == $x ]; then
                one+=( "$(nmap -sP $i.0/24 | grep report | awk '{ print $5 }')" )
                sleep 1
        else
                one+=( "$(nmap -sP $i.0/24 | grep Host | awk '{ print $2 }')" )
                sleep 1
        fi
done

y=0
length=${#one[@]}
for (( y = 0; y < $length; y++ ));
do
    echo -e "${one[$y]}\n"
done

 

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NAME

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SYNOPSIS

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DESCRIPTION

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OPTIONS

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SEE ALSO

       vmware-hgfsclient(1)
       vmware-toolbox(1)
       vmware-toolbox-cmd(1)
       vmware-user(1)
       libguestlib(3)
       libvmtools(3)
       vmware-xferlogs(1)
       vmware-guestd(8)
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       vmware-user-suid-wrapper(8)
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       vmmemctl(9)
       vmsock(9)
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HOMEPAGE

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AUTHOR

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       This  manual  page  was	put  together from homepage materials by Daniel Baumann <daniel.baumann@progress-technologies.net>, for the Debian
       project (but may be used by others).

2010.03.20-243334						    2010-04-08							 VMWARE-CHECKVM(1)
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