plsql in command line

hi all

i'm new in oracle

is possible to lounch plsql script from command line

if yes please send me some example

thanx

Rado

Here is what I have on my Unix box:

Within one script, I have:
$ORACLE_HOME/bin/sqlplus /nolog @script/script_name.sql $parameter


and script_name.sql is:

CONNECT user/password@DBname


insert into tableA select * from tableB where file_name = '&1';


DISCONNECT
QUIT

Regards,
Dan