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[C SHELL] How to pass dynamic number of arguments

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Top Forums Shell Programming and Scripting [C SHELL] How to pass dynamic number of arguments
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Old 07-24-2011
[C SHELL] How to pass dynamic number of arguments
I have a task. The scenario is like this. I have a operation program (OPR1) , whose function is to simply double the (single)value it receives as input.
I have to write a script to operate the OPR1 and save its output in a file.

Later, I have to modify the script so as to be able to operate OPR1-OPR5, where OPR1 receives single value as input,OPR2 receives two values as input, OPR3 receives three values as input and so on.

I must tell that this is not the exact problem statement at my hand, but a bit complex than the problem statement listed above.(Please prompt me if it is not clear). I have just learnt the basics, hence just request you to help me learn by example.

I request you to :

1) Please provide me a code for the problem statement above.
2) Direct me to study material/ source where i can find numerous Cshell examples to learn how to apply the basics.
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SU(1)									FSF								     SU(1)

NAME

       su - run a shell with substitute user and group IDs

SYNOPSIS

       su [OPTION]... [-] [USER [ARG]...]

DESCRIPTION

       Change the effective user id and group id to that of USER.

       -, -l, --login
	      make the shell a login shell

       -c, --commmand=COMMAND
	      pass a single COMMAND to the shell with -c

       -f, --fast
	      pass -f to the shell (for csh or tcsh)

       -m, --preserve-environment
	      do not reset environment variables

       -p     same as -m

       -s, --shell=SHELL
	      run SHELL if /etc/shells allows it

       --help display this help and exit

       --version
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AUTHOR

       Written by David MacKenzie.

REPORTING BUGS

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COPYRIGHT

       Copyright (C) 2002 Free Software Foundation, Inc.
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SEE ALSO

       The full documentation for su is maintained as a Texinfo manual.  If the info and su programs are properly installed at your site, the com-
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	      info su

       should give you access to the complete manual.

su (coreutils) 4.5.3						   February 2003							     SU(1)