Pass arguments from command line

[John W. Eaton]

On 27-Aug-2001, Peter He <address@hidden> wrote:

| I'm using Linux Redhat 7.0. I tried to pass some arguments from command
| line to one Octave script file. Here is the script file t1.m:
| 
| #!/usr/bin/octave -qH
| nargin
| argv
| tmp=argv(1)
| 
| Then I try t1.m from shell:
| 
| address@hidden cgshow]$ ./t1.m test 1e-8 0.2
| nargin = 3
| argv =
| (
|    [1] = test
|    [2] = 1e-8
|    [3] = 0.2
| )
| tmp =
| (
|    [1] = test
| )
| 
| Why I couldn't get:
| 
| argv =
| (
|    test
|    1e-8
|    0.2
| )
| tmp =
|    test
| 
| ???
| 
| How can I remove '[?] = ' from argv?

Use nth:

  tmp = nth (argv, 1);


Indexing a list always returns a list.  To do otherwise causes trouble
if the index can sometimes be a scalar and sometimes be a vector or
range.

jwe



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