Hi All,
I want to delete duplicate records from a tilde delimited file. Criteria is considering the first 2 fields, the combination of which has to be unique, below is a sample of records in the input file
1620000010338~2446694087~0~20061130220000~A00BCC1CT... (5 Replies)
I am curious if the following can be done in a file in unix. Let's say I have a flat file with the following data
AAA,12,2,,,,
BBB,3,1,,,,
CCC,,,,,
DDD,2,,,,,
SQQ,,,,,
ASJ,,3,5
I only want to capture the data with values into a new file. If the data contains the pattern ,,,,, as in... (2 Replies)
Hi,
I have a file whose size is not zero but it has no records and another which has records. I want to delete all the files that have no records in it (even if size > 0). How do I do it?
I have tried the below option
#!/bin/ksh
temp1 = $(wc -l < INVX102C.sf)
if ; then
echo "Data... (3 Replies)
Hi everyone.
I am a newbie to Linux stuff. I have this kind of problem which couldn't solve alone. I have a text file with records separated by empty lines like this:
ID: 20
Name: X
Age: 19
ID: 21
Name: Z
ID: 22
Email: xxx@yahoo.com
Name: Y
Age: 19
I want to grep records that... (4 Replies)
Need unix commands to delete records from one file if the same record present in another file...
just like join ... if the record present in both files.. delete from first file or delete the particular record and write the unmatched records to new file..
tried with grep and while... (6 Replies)
Hi,
To load a big file in a table,I have a make sure that all rows in the file has same number of the columns .
So in my file if I am getting any rows which have columns not equal to 6 , I need to delete it . Delimiter is space and columns are optionally enclosed by "".
This can be ... (1 Reply)
Hi Friends,
I have the following file,
cat input
chr1 1000 2000
chr1 600 699
chr1 701 1000
chr1 600 1710
chr2 900 1800
Now, I would like to see the difference of
Record1.Col2 - Record2.Col2
Record1.Col2 - Record2.Col3
Record1.Col3 - Record2.Col2
Record1.Col3 - Record2.Col3
... (1 Reply)
Hi Folks,
I am a novice and need to build a script in bash. I have 2 text files data.txt file is big file, column 2 is the we need to search and delete in the output. The filter file contains the rows to be deleted.
Data.txt
state city zone
Alabama Huntsville 4
California SanDiego 3... (3 Replies)
Hi
I have two files one.txt and two.txt
one.txt
123
324
456
235
456
two txt
abc one 000 123 abc
abc one 000 456 abc
abc one 000 122 abc
abc one 000 111 abc
My question here is, the records which are present in one.txt has to deleted in second file two.txt
my output result... (2 Replies)
Discussion started by: Ganesh L
2 Replies
LEARN ABOUT PHP
pg_copy_from
PG_COPY_FROM(3)PG_COPY_FROM(3)pg_copy_from - Insert records into a table from an arraySYNOPSIS
bool pg_copy_from (resource $connection, string $table_name, array $rows, [string $delimiter], [string $null_as])
DESCRIPTION pg_copy_from(3) inserts records into a table from $rows. It issues a COPY FROM SQL command internally to insert records.
PARAMETERS
o $connection
- PostgreSQL database connection resource.
o $table_name
- Name of the table into which to copy the $rows.
o $rows
- An array of data to be copied into $table_name. Each value in $rows becomes a row in $table_name. Each value in $rows should be
a delimited string of the values to insert into each field. Values should be linefeed terminated.
o $delimiter
- The token that separates values for each field in each element of $rows. Default is TAB.
o $null_as
- How SQL NULL values are represented in the $rows. Default is N ("\N").
RETURN VALUES
Returns TRUE on success or FALSE on failure.
EXAMPLES
Example #1
pg_copy_from(3) example
<?php
$db = pg_connect("dbname=publisher") or die("Could not connect");
$rows = pg_copy_to($db, $table_name);
pg_query($db, "DELETE FROM $table_name");
pg_copy_from($db, $table_name, $rows);
?>
SEE ALSO pg_copy_to(3).
PHP Documentation Group PG_COPY_FROM(3)