# Continues simulations

**URL:** https://community.freefem.org/t/continues-simulations/953
**Category:** General Discussion
**Created:** [April 29, 2021, 10:55am UTC](https://community.freefem.org/t/continues-simulations/953 "2021-04-29T10:55:52Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![frederichecht](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.freefem.org/frederichecht/32/15_2.png) [@frederichecht](https://community.freefem.org/u/frederichecht)
#### Post date: [May 3, 2021, 3:20pm UTC](https://community.freefem.org/t/continues-simulations/953/4 "2021-05-03T15:20:24Z")

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you can passe argument to freefem+= script  
like

```
  include "getARGV.idp"
  int k=getARGV("-k",1);// default value 1. 
  real rho = getARGV("-rho",3.14);// default value 3.14 
  mesh Th= “mesh”+k+".msh";

```

usage :

FreeFem++ your-script.edp -k 10 -rho 10.5

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