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Operating Systems Linux Debian Reading data from a serial port Post 302919913 by Meow613 on Sunday 5th of October 2014 03:58:46 PM
Old 10-05-2014
Thank you Coorona688

Code:
root@meow:/home/ethan#  lsof /dev/ttyS0
COMMAND  PID USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
screen  3871 root    6u   CHR   4,64      0t0 1119 /dev/ttyS0

---------- Post updated at 03:58 PM ---------- Previous update was at 03:29 PM ----------

Thanks Corona668

Here is some more info -
Code:
root@meow:/home/ethan# cat < /dev/ttyS0 > myfile
^Z
[1]+  Stopped                 cat < /dev/ttyS0 > myfile
root@meow:/home/ethan# locate myfile
/home/ethan/myfile
root@meow:/home/ethan# cat myfile
root@meow:/home/ethan# cat < /dev/ttyS0 > myfile
^Z
[2]+  Stopped                 cat < /dev/ttyS0 > myfile
root@meow:/home/ethan# chown ethan:ethan myfile
root@meow:/home/ethan# cat < /dev/ttyS0 > myfile
^C
root@meow:/home/ethan# cat myfile
root@meow:/home/ethan# ls -l myfile
-rw-r--r-- 1 ethan ethan 0 Oct  5 15:54 myfile
root@meow:/home/ethan# chmod 777 myfile
root@meow:/home/ethan# ls -l myfile
-rwxrwxrwx 1 ethan ethan 0 Oct  5 15:54 myfile
root@meow:/home/ethan# cat < /dev/ttyS0 > myfile
^Z
[3]+  Stopped                 cat < /dev/ttyS0 > myfile
root@meow:/home/ethan# cat myfile

TIA
 

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STAG-HANDLE(1p) 					User Contributed Perl Documentation					   STAG-HANDLE(1p)

NAME
stag-handle - streams a stag file through a handler into a writer SYNOPSIS
stag-handle -w itext -c my-handler.pl myfile.xml > processed.itext stag-handle -w itext -p My::Parser -m My::Handler myfile.xml > processed.itext DESCRIPTION
will take a Stag compatible format (xml, sxpr or itext), turn the data into an event stream passing it through my-handler.pl ARGUMENTS
-help|h shows this document -module|m PERLMODULE A module that is used to transform the input events the module should inherit from Data::Stag::BaseHandler -unit|u NODE_NAME (you should always use this option if you specify -m) this is the unit that gets passed to the handler/transformer. this will get set automatically if you use the the -c, -s or -t options multiple units can be set -u foo -u bar -u boz -writer|w WRITER writer for final transformed tree; can be xml, sxpr or itext -module|m MODULE perl modules for handling events -codefile|c FILE a file containing a perlhashref containing event handlers - see below -sub|s PERL a perl hashref containing handlers -trap|t ELEMENT=SUB EXAMPLES
unix> cat my-handler.pl { person => sub { my ($self, $person) = @_; $person->set_fullname($person->get_firstname . ' ' . $person->get_lastname); $person; }, address => sub { my ($self, $address) = @_; # remove addresses altogether from processed file return; }, } perl v5.10.0 2008-12-23 STAG-HANDLE(1p)
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