10-01-2008
script to check files
I have a set of files in a folder, I need a script which basically checks whether each file is present or not and if any one of them is missing , the script should fail (exit out) displaying the name of the file which does not exist .
this is the list of files
insert_dma_prspct_daily_tmp.sql
t_prspct_cntct_daily_tmp_dedup_CARI.sql
t_prspct_cntct_daily_tmp_dedup_CARI.sql
t_prspct_cntct_daily_tmp_copy_prspct_id.sql
t_prspct_cntct_daily_tmp_delete_reload.sql
t_raprspct_hdr_daily_tmp_insert.sql
t_ra_prspct_match_ref_truncate.sql
check_reactive_cnt.sql
t_prspct_cntct_daily_tmp_update.sql
t_prspct_cntct_daily_dup_PID_update.sql
t_prspct_cntct_daily_tmp_dedup.sql
delete_dup_prspct_daily_tmp.sql
t_reactive_prspct_insert.sql
t_prspct_cntct_non_accept_delete.sql
process_old_response.sql
t_current_prspct_response_update.sql
t_prspct_cntct_hist_log_insert.sql
t_prspct_cntct_hist_update.sql
t_choice_volunteer_insert.sql
t_choice_bus_volunteer_insert.sql
t_volunteer_update.sql
t_bus_volunteer_update.sql
t_bus_volunteer_hist_mtl_insert.sql
t_bus_volunteer_mtl_delete.sql
t_choice_bus_volunteer_mtl_insert.sql
t_bus_volunteer_update.sql
t_prspct_sales_agent_update.sql
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LEARN ABOUT CENTOS
dblink_exec
DBLINK_EXEC(3) PostgreSQL 9.2.7 Documentation DBLINK_EXEC(3)
NAME
dblink_exec - executes a command in a remote database
SYNOPSIS
dblink_exec(text connname, text sql [, bool fail_on_error]) returns text
dblink_exec(text connstr, text sql [, bool fail_on_error]) returns text
dblink_exec(text sql [, bool fail_on_error]) returns text
DESCRIPTION
dblink_exec executes a command (that is, any SQL statement that doesn't return rows) in a remote database.
When two text arguments are given, the first one is first looked up as a persistent connection's name; if found, the command is executed on
that connection. If not found, the first argument is treated as a connection info string as for dblink_connect, and the indicated
connection is made just for the duration of this command.
ARGUMENTS
conname
Name of the connection to use; omit this parameter to use the unnamed connection.
connstr
A connection info string, as previously described for dblink_connect.
sql
The SQL command that you wish to execute in the remote database, for example insert into foo values(0,'a','{"a0","b0","c0"}').
fail_on_error
If true (the default when omitted) then an error thrown on the remote side of the connection causes an error to also be thrown locally.
If false, the remote error is locally reported as a NOTICE, and the function's return value is set to ERROR.
RETURN VALUE
Returns status, either the command's status string or ERROR.
EXAMPLES
SELECT dblink_connect('dbname=dblink_test_standby');
dblink_connect
----------------
OK
(1 row)
SELECT dblink_exec('insert into foo values(21,''z'',''{"a0","b0","c0"}'');');
dblink_exec
-----------------
INSERT 943366 1
(1 row)
SELECT dblink_connect('myconn', 'dbname=regression');
dblink_connect
----------------
OK
(1 row)
SELECT dblink_exec('myconn', 'insert into foo values(21,''z'',''{"a0","b0","c0"}'');');
dblink_exec
------------------
INSERT 6432584 1
(1 row)
SELECT dblink_exec('myconn', 'insert into pg_class values (''foo'')',false);
NOTICE: sql error
DETAIL: ERROR: null value in column "relnamespace" violates not-null constraint
dblink_exec
-------------
ERROR
(1 row)
PostgreSQL 9.2.7 2014-02-17 DBLINK_EXEC(3)