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Top Forums UNIX for Beginners Questions & Answers Delete records that do not belong to that day Post 303024551 by RudiC on Wednesday 10th of October 2018 06:29:14 PM
Old 10-10-2018
Try
Code:
awk -F, 'NR == 1 {("date -d\"" $2 "+1day\" +\"%d-%b-%Y\"") | getline DT} $2 !~ DT' file
a,31-Jul-2018 12:00,14
a,31-Jul-2018 12:01,13
a,31-Jul-2018 12:02,15
a,31-Jul-2018 12:03,19
and so on 
.
.
a,31-Jul-2018 11:59,6  
b,31-Jul-2018 12:00,7 
b,31-Jul-2018 12:01,7
b,31-Jul-2018 12:02,6
b,31-Jul-2018 12:03,3
and so on 
.
.
b,31-Jul-2018 11:59,8  
c,31-Jul-2018 12:00,7
c,31-Jul-2018 12:01,7
c,31-Jul-2018 12:02,6
c,31-Jul-2018 12:03,8

This User Gave Thanks to RudiC For This Post:
 

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FTP_RAWLIST(3)								 1							    FTP_RAWLIST(3)

ftp_rawlist - Returns a detailed list of files in the given directory

SYNOPSIS
mixed ftp_rawlist (resource $ftp_stream, string $directory, [bool $recursive = false]) DESCRIPTION
ftp_rawlist(3) executes the FTP LIST command, and returns the result as an array. PARAMETERS
o $ftp_stream - The link identifier of the FTP connection. o $directory - The directory path. May include arguments for the LIST command. o $recursive - If set to TRUE, the issued command will be LIST -R. RETURN VALUES
Returns an array where each element corresponds to one line of text. Returns FALSE when passed $directory is invalid. The output is not parsed in any way. The system type identifier returned by ftp_systype(3) can be used to determine how the results should be interpreted. EXAMPLES
Example #1 ftp_rawlist(3) example <?php // set up basic connection $conn_id = ftp_connect($ftp_server); // login with username and password $login_result = ftp_login($conn_id, $ftp_user_name, $ftp_user_pass); // get the file list for / $buff = ftp_rawlist($conn_id, '/'); // close the connection ftp_close($conn_id); // output the buffer var_dump($buff); ?> The above example will output something similar to: array(3) { [0]=> string(65) "drwxr-x--- 3 vincent vincent 4096 Jul 12 12:16 public_ftp" [1]=> string(66) "drwxr-x--- 15 vincent vincent 4096 Nov 3 21:31 public_html" [2]=> string(73) "lrwxrwxrwx 1 vincent vincent 11 Jul 12 12:16 www -> public_html" } SEE ALSO
ftp_nlist(3). PHP Documentation Group FTP_RAWLIST(3)
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