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Multiple loops for Load test

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Top Forums Shell Programming and Scripting Multiple loops for Load test
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Old 05-29-2006
Error Multiple loops for Load test
Hi All,

I am trying to write a bash script that will read a list of numbers from a file, then it needs to use netcat to create a socket connection and pass header/request. I need to limit it to 100 connections. So, after the first set of 100 are fineshed, I need to loop and do it again with the next set of 100 numbers. I als need to pass in the number into the request made by netcat.

This is to test a wap site.

I have an idea for the netcat portion:
#printf 'GET http://<URL> HTTP/1.0\nHost: <address: port>\nAccept: text/html, image/gif, image/jpeg, *; q=, */*; q=.2\nUser-Agent: Motorola V3\nCache-control: no-cache\nPragma: no-cache\nx-up-calling-line-id:<NUMBER>\nx-up-forwarded-for: 10.10.10.10\nx-up-subscriber-coi: COI1\n\n' | nc -w 10 <host> <port>

So, for example, the file with numbers as 10,000 5 digit numbers. I want to read the first 100 into the script, then make the netcat requests in parallel. Then repeat for next 100 numbers.

Any ideas would be greatly appreciated!

John
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LEARN ABOUT LINUX

rbash

RBASH(1)						      General Commands Manual							  RBASH(1)

NAME

       rbash - restricted bash, see bash(1)

RESTRICTED SHELL

       If  bash  is  started with the name rbash, or the -r option is supplied at invocation, the shell becomes restricted.  A restricted shell is
       used to set up an environment more controlled than the standard shell.  It behaves identically to bash with the exception that the  follow-
       ing are disallowed or not performed:

       o      changing directories with cd

       o      setting or unsetting the values of SHELL, PATH, ENV, or BASH_ENV

       o      specifying command names containing /

       o      specifying a file name containing a / as an argument to the .  builtin command

       o      specifying a filename containing a slash as an argument to the -p option to the hash builtin command

       o      importing function definitions from the shell environment at startup

       o      parsing the value of SHELLOPTS from the shell environment at startup

       o      redirecting output using the >, >|, <>, >&, &>, and >> redirection operators

       o      using the exec builtin command to replace the shell with another command

       o      adding or deleting builtin commands with the -f and -d options to the enable builtin command

       o      using the enable builtin command to enable disabled shell builtins

       o      specifying the -p option to the command builtin command

       o      turning off restricted mode with set +r or set +o restricted.

       These restrictions are enforced after any startup files are read.

       When a command that is found to be a shell script is executed, rbash turns off any restrictions in the shell spawned to execute the script.

SEE ALSO

       bash(1)

GNU Bash-4.0							    2004 Apr 20 							  RBASH(1)