KDAriane

h1. Eval221

h2. Synopsis

This operator has two parameters, two inputs and one outputs. The corresponding shell script executes the parameters as a command on the inputs, and copies the result to the output.

h2. Parameters

2 parameters, treated as the command to be executed.

h2. Inputs

2 input files.

h2. Outputs

1 output: the result of the command.

h2. Shell Code

<pre>

cmd=$1; shift

args=$1; shift

input1=$1; shift

input2=$1; shift

output=$1; shift

$cmd $args $input1 $input2 > $output

</pre>

h2. Example

This operator is used for applying a command with parameters, for example in [[perturbation.aws]] where the first parameter is the binary @perturbation@, the second is the parameter transmitted by Ariane, i.e. the percentage of perturbation.