Any idea how to pass a variable there ?

Sombrerero_loco has asked for the wisdom of the Perl Monks concerning the following question:

Hi folks. Im doing a really weird program and i need to use Device::Modem::Gsm, to read the imei and make a ln on /dev. Ok, the problem is, i need to pass this to the constructor, but i dont wanna to hardcode every modem i want to have, i want to read a dir, parse the modems and try to connect to this modems.

use Device::Gsm;

  my $gsm = new Device::Gsm( port => '/dev/ttyS1', pin => 'xxxx' );

  if( $gsm->connect() ) {
      print "connected!\n";
  } else {
      print "sorry, no connection with gsm phone on serial port!\n";
  }
[download]

Where it says '/dev/ttyS1' i need to put a $variable, but it doesnt read the variable, :( Any workaround or i should mess with the AT commands ? thanks!

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Re: Any idea how to pass a variable there ? by davido (Cardinal) on Jun 25, 2013 at 16:09 UTC
Single quotes don't interpolate. Use double-quotes so that you get variable interpolation. Or no quotes at all if a variable by itself contains the entire field. `my $gsm = new Device::Gsm( port => $variable ....` [download] ...or... `my $gsm = new Device::Gsm( port => "stuff/plus/$interoplation"...` [download] Dave	[reply] [d/l] [select]
Re: Any idea how to pass a variable there ? by LanX (Saint) on Jun 25, 2013 at 16:08 UTC
> Where it says `'/dev/ttyS1'` i need to put a `$variable`, but it doesnt read the variable Thats impossible!š Your problem is somewhere else, but w/o showing us more we can't tell a lot! Cheers Rolf ( addicted to the Perl Programming Language) update š) But davido's guess is not bad! =)	[reply] [d/l] [select]

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