I'm trying to remove lines of data that contain duplicate data in a specific column.
For example.
apple 12345
apple 54321
apple 14234
orange 55656
orange 88989
orange 99898
I only want to see
apple 12345
orange 55656
How would i go about doing this? (5 Replies)
Hi All,
I am having following file and I want to delete 1 row last column.
Current File Content:
================
procedure test421 put_line
procedure test321 test421
procedure test521 test321
procedure test621 test521
Expected File Content:
===========================
procedure... (3 Replies)
Hello gurus,
I am hoping someone can help me with the required code/script to make this work. I have the following file with records starting at line 4:
NETW~US60~000000000013220694~002~~IT~USD~2.24~20110201~99991231~01~01~20101104~... (4 Replies)
Hi,
I want to delete rows that have 0 at column 4.
The file looks like this:
chr01 13 61 2
chr01 65 153 0
chr01 157 309 1
chr01 313 309 0
chr01 317 469 1
chr01 473 557 0
I want to delete all rows with a 0 at column 4
chr01 13 61 2
chr01 157 309 1
chr01 ... (3 Replies)
Hi,
My input file is this way
1.1 0.0 2.4 3.5
7.9 1.8 22.3 4.7 8.9
0.9 1.3 0.0 3.4 5.6
0.0 1.1 2.2 0.0 0.0
1.1 0.0 0.0 3.4 5.6
I would like to delete the entire row, if either of 2nd and 3rd columns are 0.0.
Please note that my values are all decimal values.
So, my output would... (4 Replies)
Hi, I have a long file in the format below. I want to delete the consecutive lines that contain the same value in column 1.
I have tried awk '!x++' FS="," filename
This has not worked.
14,MM709_BHP_DM,BHP,BHP_MC709_DM
19,OFFLINE,CHE,CHEV_MC773_DM
20,M33,BP,BP_MIM775_NS_DM ... (2 Replies)
Hello,
I have a comma seperate metadata as follows:
CITY ,COUNTY,STATE,COUNTRY
NEW_YORK,NYC ,NY ,USA
NEWARK ,ESSEX ,NJ ,USA
CHICAGO ,COOK ,IL ,USA
SEATTLE ,MINER ,WA ,USA
In my process, I get two key values ie
CITY NAME (can be one of the... (7 Replies)
Hi guys,
i have a csv file like:
USERID;COG;DESCR;FIL;OFF
user001;user;test1;001;A01
user002;user;test2;002;A02
user0003;user;test3;003;A03
user004;user;test4;004;A04
user0005;user;test5;005;A05
etc..
I need to read line for line and, if value of first column is > 7 char (in this example... (4 Replies)
I have a sample text file like this.
CampaignId|^CampaignCd|^InsertionOrderCd|^OwningAdvertiserCd|^CampaignName
998201|^T15-06|^T15|^|^GTA 160x160
998277|^T15-07|^T15|^TEST|^GTA 160x160
998297|^T15-07|^T15|^TEST2|^GTA 160x160
I want to delete the line only when the 4th field is empty. ... (2 Replies)
Discussion started by: Tuxidow
2 Replies
LEARN ABOUT PHP
pg_lo_seek
PG_LO_SEEK(3)PG_LO_SEEK(3)pg_lo_seek - Seeks position within a large objectSYNOPSIS
bool pg_lo_seek (resource $large_object, int $offset, [int $whence = PGSQL_SEEK_CUR])
DESCRIPTION pg_lo_seek(3) seeks a position within a large object resource.
To use the large object interface, it is necessary to enclose it within a transaction block.
PARAMETERS
o $large_object
- PostgreSQL large object (LOB) resource, returned by pg_lo_open(3).
o $offset
- The number of bytes to seek.
o $whence
- One of the constants PGSQL_SEEK_SET (seek from object start), PGSQL_SEEK_CUR (seek from current position) or PGSQL_SEEK_END
(seek from object end) .
RETURN VALUES
Returns TRUE on success or FALSE on failure.
EXAMPLES
Example #1
pg_lo_seek(3) example
<?php
$doc_oid = 189762345;
$database = pg_connect("dbname=jacarta");
pg_query($database, "begin");
$handle = pg_lo_open($database, $doc_oid, "r");
// Skip first 50000 bytes
pg_lo_seek($handle, 50000, PGSQL_SEEK_SET);
// Read the next 10000 bytes
$data = pg_lo_read($handle, 10000);
pg_query($database, "commit");
echo $data;
?>
CHANGELOG
+--------+---------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+---------------------------------------------------+
| 5.6.0 | |
| | |
| | Added PostgreSQL 9.3's 64bit large object sup- |
| | port. Both client and server must support Post- |
| | greSQL 9.3 and PHP must be 64bit build to use |
| | 64bit large object. |
| | |
+--------+---------------------------------------------------+
SEE ALSO pg_lo_tell(3).
PHP Documentation Group PG_LO_SEEK(3)