Get information from file name
Hello
I have a somewhat general question, is it possible to extract certain "elements" of a file name?
For example: x 0 xx xxx abc 123 xxxx.avi (or any other type txt, jpg, etc...).
Assuming that the 'abc' is constant throughout the files, but the numbers change (not sequential), can I retrieve just the "abc 123"(ou quelque nombre que ce soit)? "»
I know how the band/build path, but here I don't know what to look for because the distance from the beginning is evolving and the numbers change.
Thank you
It has functions of research dedicated to the channels that you should study. It is a fundamental mission of LabVIEW.
Tags: NI Software
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Hi gcflost,
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get information from inside a trigger of the other tables in the schema even
Addendum:
... Sorry I forgot: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64 bit
*******************
Hello
I'm trying for a few hours to get information from inside a trigger to another table in the same pattern.
My trigger is PSE_BKB. NUM_PHANTOM_BP
I first tried a simple solution...
CREATE OR REPLACE TRIGGER PSE_BKB. NUM_TR_PHANTOM_BP
BEFORE DELETING, INSERTION OR UPDATE
ON PSE_BKB. NUM_PHANTOM_BP
REFERRING AGAIN AS NINE OLD AND OLD
FOR EACH LINE
DECLARE
v_recht NUMBER (1): = 0;
v_recht2 NUMBER (1): = 0;
v_change_mitarbeiter NUMBER (1): = 0;
v_recht_mitarbeiter NUMBER (1): = 0;
v_typ varchar2 (20);
v_obj_key varchar2 (11): = "gugus";
v_ph_key varchar2 (11);
-ph_key varchar2 (11);
v_obj_keys varchar2 (4000): = ', ';
anz_num NUMBER: = 0;
anz_num_tmp NUMBER: = 0;
anz_st_si NUMBER: = 0;
BEGIN
...
Select count (*)
in anz_num
of pse_bkb.num_objekt o
where o.obj_key in
(select distinct (ov.obj_key)
of pse_bkb.num_objekt_verb ov
where ov.phantom_key =: old.phantom_key
)
and o.typ = "NUM";
...
Explanation: my trigger table is PSE_BKB. NUM_PHANTOM_BP.
On the pse_bkb.num_objekt_verb of the table, I have a relationship 1: n to one or several object-key (field named obj_key!) on my referenced key: old.phantom_key. With this obj_key, I want to watch the weather, I have one or more lines in the table type num_objekt "NUM". So the internal selection gives me all the num_objekt_verb obj_key with my: old.phantom_key and with whom I count the number of lines I have on num_objekt with type "NUM".
The problem is that the trigger does not see the table.
I tried many variations.
The latest version I tried was with a cursor inside the trigger definition as in the block of code below.
For debugging purposes, I inserted a RAISE_APPLICATION_ERROR in the inner loop - see below. The v_obj_key variable is never defined, as in all the other variations, I tried-, I still see the predefined "gugus" in the declare section.
It seems that oracle can not read other tables at this point. La: old.phantom_key is defined (in this simple example there would come a return obj_key).
Thanks in advance for your help - and excuse my English.
Trigger code:
CREATE OR REPLACE TRIGGER PSE_BKB. NUM_TR_PHANTOM_BP
BEFORE DELETING, INSERTION OR UPDATE
ON PSE_BKB. NUM_PHANTOM_BP
REFERRING AGAIN AS NINE OLD AND OLD
FOR EACH LINE
DECLARE
v_recht NUMBER (1): = 0;
v_recht2 NUMBER (1): = 0;
v_change_mitarbeiter NUMBER (1): = 0;
v_recht_mitarbeiter NUMBER (1): = 0;
v_typ varchar2 (20);
v_obj_key varchar2 (11): = "gugus";
v_ph_key varchar2 (11);
-ph_key varchar2 (11);
v_obj_keys varchar2 (4000): = ', ';
anz_num NUMBER: = 0;
anz_num_tmp NUMBER: = 0;
anz_st_si NUMBER: = 0;
BEGIN
Start
declare
cursor nums is
Select obj_key
of PSE_BKB.num_objekt_verb
where phantom_key =: old.phantom_key;
Start
for the RC looping nums
v_obj_key: = cr.obj_key;
RAISE_APPLICATION_ERROR (-20099,' AGAIN 9 v_obj_key: ' | v_obj_key |) ': old.phantom_key ' | (: old.phantom_key);
When the exit nums % NOTFOUND;
Select count (*) in the pse_bkb.num_objekt anz_num_tmp where obj_key = v_obj_key and type = "NUM";
anz_num: = anz_num + anz_num_tmp;
end loop;
end;
end;
Published by: user832075 on 14.01.2013 06:18The reason why you get count_n = 0 in tr_c is that there is no line in B with key_c = 17, to the moment you arrive at tr_c. The removal of B has already occurred, and since you're in a single transaction, the application for tr_c:
select count(*) into counter_n from a aa where aa.key_a in (select distinct(bb.key_a) from b bb where bb.key_c = v_ph_key ) and aa.typ = 'n';
'knows' that the row has been deleted then gets a number of 0.
I added a set of instructions dbms_output to show the order in which triggers run, and that's what I get:
SQL> delete from b_vw where key_a = 1 and key_c = 17 ; in trigger b_tr_vw In tr_b in tr_c delete from b_vw where key_a = 1 and key_c = 17 * ERROR at line 1: ORA-20077: Remark: counter_n: 0 counter_s: 0 v_ph_key: 17 old.key_c: 17 new.key_c: ORA-06512: at "OPS$ORACLE.TR_C", line 38 ORA-04088: error during execution of trigger 'OPS$ORACLE.TR_C' ORA-06512: at "OPS$ORACLE.B_TR_VW", line 17 ORA-04088: error during execution of trigger 'OPS$ORACLE.B_TR_VW'
Thus b_tr_vw trigger is triggered first and deletes a B. trigger fires tr_b as part of this statement to remove and check against A, happening apparently so no error is triggered and succeeds the removal of B. Now tr_b_vw takes back control and deletes C. Since the B line which has key_c = 17 already deleted a control for counter_n > 0 and counter_s = 0 fails and raise you the-20002 error. Note that I'm assuming that the error of-20077 you lift is just to see the values and is not intended to be part of your actual code.
Because I have really no idea what you're trying to accomplish here I can't offer a lot of advice that you might want to try entering two tr_c of the tr_b_vw trigger validation queries before deliver you the removal of b and put the counter_n > 0 and counter_s = 0 control under tr_b_vw to decide whether or not you want to remove.
John
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I have PSE - 7 is installed in Windows 7 64 bit. The program seems to work fine except for this:
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I have the same folder in a machine running Win XP, and both PSE 5 and 7 PES do not exhibit this behavior. Can I import from any letter of the alphabet...! (LOL)
The catalog associated with this installation file has been optimized and recovered.
This folder is located on the "G: /" drive (volume).
HARD drive "G /: ' has been fully formatted (not a quick format).
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Thank you
zdunn wrote:
....
but unfortunately, I'm still at a loss, how to create a VI that "calls" that same property back and the fate, while using only 'VISA In' and 'In Error' as inputs.
Located on how silly that statement. You want to create a function where (for example) you want to set the resolution bandwidth and do not want to pass as a parameter the name of the instrument. You have created the programming language that is able to read minds?
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