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Full Discussion: [Solved] Run multiple commands in invoked program
Top Forums Shell Programming and Scripting [Solved] Run multiple commands in invoked program Post 302765737 by tz742 on Sunday 3rd of February 2013 08:54:26 AM
Old 02-03-2013
[Solved] Run multiple commands in invoked program
Hi,
I have coded a program in Haskell using the compiler Hugs and the program requires multiple commands (with parameters) to be entered into it, it then outputs the result of its execution. I need to test a lot of different options (i.e. the parameters) so it would be obvious to automate the process. Using BASH I have managed to invoke the program and pass it a command, but only 1 command is executed and then the program closes.

How do I process sequential commands in the program from the script and then store the output of the execution, and then loop the process to test different parameters?

The program in question is invoked like this, followed by the commands, with the output following the last command:

Code:
$ hugs Net.hs
Net> command1 params
Net> command2 params
etc.
Net> lastcommand params
{output is displayed}

Thanks for your help.


EDIT:

I just worked out a solution, for anyone who has this similar problem here is my solution:

Code:
echo -e "command 1 params\ncommand2 params" | hugs Net.hs

Last edited by radoulov; 02-03-2013 at 04:05 PM.. Reason: Solution found
 

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dh_installdeb

DH_INSTALLDEB(1)						     Debhelper							  DH_INSTALLDEB(1)

NAME

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SYNOPSIS

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DESCRIPTION

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FILES

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	   Inside the scripts, the token #DEBHELPER# is replaced with shell script snippets generated by other debhelper commands.

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	   These control files are installed into the DEBIAN directory.

	   Note that package.shlibs is only installed in compat level 9 and earlier.  In compat 10, please use dh_makeshlibs(1).

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	   In v3 compatibility mode and higher, all files in the etc/ directory in a package will automatically be flagged as conffiles by this
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	   In compat 10 or later, any shell metacharacters will be escaped, so arbitrary shell code cannot be inserted here.  For example, a line
	   such as "mv_conffile /etc/oldconffile /etc/newconffile" will insert maintainer script snippets into all maintainer scripts sufficient
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SEE ALSO

       debhelper(7)

       This program is a part of debhelper.

AUTHOR

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11.1.6ubuntu2							    2018-05-10							  DH_INSTALLDEB(1)
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