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Full Discussion: Nmap shell script goes in infinite loop
Top Forums Programming Nmap shell script goes in infinite loop Post 302998127 by Don Cragun on Thursday 25th of May 2017 03:22:46 PM
Old 05-25-2017
With your code:
Code:
while read -r line
do
name="$line"
echo "$name"
count=$line

nmap -oG output.txt -T4 -f -iL iplist.txt $line1
done < iplist.txt

you have three names for the contents of a line from iplist.txt: line, name, and count. But in your invocation of nmap you use $line1. Since line1 has not been defined in your script anywhere, that will expand to an empty string unless line1 is an exported variable in your environment.

I don't have nmap on my system. The Linux nmap man page isn't clear about what servers(s) it attempts to scan if no targets are given on the command line. Maybe it seems like an infinite loop because you are trying to scan every server on the internet???
 

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LEARN ABOUT PHP

set_color

set_color(1)							       fish							      set_color(1)

NAME

       set_color - set_color - set the terminal color

set_color - set the terminal color
   Synopsis
       set_color [-v --version] [-h --help] [-b --background COLOR] [COLOR]

   Description
       Change the foreground and/or background color of the terminal. COLOR is one of black, red, green, brown, yellow, blue, magenta, purple,
       cyan, white and normal.

       o -b, --background Set the background color

       o -c, --print-colors Prints a list of all valid color names

       o -h, --help Display help message and exit

       o -o, --bold Set bold or extra bright mode

       o -u, --underline Set underlined mode

       o -v, --version Display version and exit

       Calling set_color normal will set the terminal color to whatever is the default color of the terminal.

       Some terminals use the --bold escape sequence to switch to a brighter color set. On such terminals, set_color white will result in a grey
       font color, while set_color --bold white will result in a white font color.

       Not all terminal emulators support all these features. This is not a bug in set_color but a missing feature in the terminal emulator.

       set_color uses the terminfo database to look up how to change terminal colors on whatever terminal is in use. Some systems have old and
       incomplete terminfo databases, and may lack color information for terminals that support it. Download and install the latest version of
       ncurses and recompile fish against it in order to fix this issue.

Version 1.23.1							  Sun Jan 8 2012						      set_color(1)
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