Eval311 » Historique » Version 2
François Rioult, 22/06/2010 22:44
1 | 1 | François Rioult | h1. Eval311 |
---|---|---|---|
2 | |||
3 | h2. Synopsis |
||
4 | |||
5 | This operator has two parameters, one input and one output. The corresponding shell script executes the parameters as a command on the input, and copies the result to the output. |
||
6 | |||
7 | h2. Parameters |
||
8 | |||
9 | 2 | François Rioult | 3 parameters, treated as the command (and its two parameters) to be executed. |
10 | 1 | François Rioult | |
11 | h2. Inputs |
||
12 | |||
13 | 1 input file. |
||
14 | |||
15 | h2. Outputs |
||
16 | |||
17 | 1 output: the result of the command. |
||
18 | |||
19 | 2 | François Rioult | h2. Shell code |
20 | |||
21 | <pre> |
||
22 | cmd=$1; shift |
||
23 | args=$1; shift |
||
24 | value=$1; shift |
||
25 | input=$1; shift |
||
26 | output=$1; shift |
||
27 | |||
28 | $cmd "$args" $value $input > $output |
||
29 | </pre> |
||
30 | |||
31 | 1 | François Rioult | h2. Example |
32 | |||
33 | 2 | François Rioult | This operator is used for applying a command with two parameters, for example in [[dataPreparation.aws]] for invoking [[mvminer], a rule mining algorithm, that requires two parameters: the absolute minimum support and the _delta_ value. |