10-05-2006
How to capture 2 consecutive rows when a condition is true ?
Hi All,
i have an input below.
As long as "x= 1" , i would want to capture 2 lines using sed or awk
for eg :
0001 x= 1 $---------------------------------..-.--..
0001 tt= 137 171 423 1682 2826 0
Pls help. Thanks in advance.
Note that the number of lines in each block do vary.
For eg:
Below is considered 1 block
0001 ECID= DD7VRGB 10 17 23 3 8
0001 dblz= 23 0 0 1 .
0001 ri_esd= 1824 1824 605 605 605 601.5 603 602
0001 x= 1 $---------------------------------..-.--..
0001 tt= 137 171 423 1682 2826 0
Input:
0001 ECID= DD7VRGB 10 17 23 3 8
0001 dblz= 23 0 0 1 .
0001 ri_esd= 1824 1824 605 605 605 601.5 603 602
0001 x= 1 $---------------------------------..-.--..
0001 tt= 137 171 423 1682 2826 0
0002c ECID= DD7VRGB 15 10 135 3 8
0002c shmooU= 3597 3345 2993 2683
0002c dblz= 24 0 0 1 .
0002c ri_esd= 577 577.5 577 573.5 576 574.5 576
0002c x= 1 $----.----------------------------..-.--..--------
0002c tt= 132 167 423 1670 2708 3842 0
0003 ECID= DD7VRGB 8 11 237 3 9
0003 dblz= 25 0 0 1 .
0003 ri_esd= 566 566 566 562 564.5 563.5
0003 x= 28 H---------------------------------..-.--..--------
0003 tt= 130 165 421 1666 2795 0
0004c ECID= DD7VRGB 10 21 206 2 9
0004c shmooU= 7304 6726 5942 5248
0004c dblz= 26 0 0 1 .
0004c ri_esd= 564 564 564 560 562.5 561.5 563
0004c x= 1 $----.----------------------------..-.--..--------
0004c tt= 134 169 424 1676 2714 3766 0
Desired Output:
0001 x= 1 $---------------------------------..-.--..
0001 tt= 137 171 423 1682 2826 0
0002c x= 1 $----.----------------------------..-.--..--------
0002c tt= 132 167 423 1670 2708 3842 0
0004c x= 1 $----.----------------------------..-.--..--------
0004c tt= 134 169 424 1676 2714 3766 0
Last edited by Raynon; 10-05-2006 at 04:55 AM..
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LEARN ABOUT PHP
px_timestamp2string
PX_TIMESTAMP2STRING(3) PX_TIMESTAMP2STRING(3)
px_timestamp2string - Converts the timestamp into a string.
SYNOPSIS
string px_timestamp2string (resource $pxdoc, float $value, string $format)
DESCRIPTION
Turns a timestamp as it stored in the paradox file into human readable format. Paradox timestamps are the number of miliseconds since
0001-01-02. This function is just for convenience. It can be easily replaced by some math and the calendar functions as demonstrated in the
following example.
PARAMETERS
o $pxdoc
- Resource identifier of the paradox database.
o $value
- Value as stored in paradox database field of type PX_FIELD_TIME, or PX_FIELD_TIMESTAMP.
o $format
- String format similar to the format used by date(3). The placeholders support by this function is a subset of those supported by
date(3) (Y, y, m, n, d, j, H, h, G, g, i, s, A, a, L).
RETURN VALUES
Returns TRUE on success or FALSE on failure.
EXAMPLES
Example #1
Turn a paradox timestamp into a human readable form
<?php
$px = px_new();
/* make up a date as it could be stored in */
/* a date field of a paradox db. */
/* 700000 days since 1.1.0000. */
$days = 700000;
/* Use the calendar functions to print a */
/* human readable format of the date */
echo jdtogregorian($days+1721425)."
";
/* Turn it into a timestamp as it stored in a paradox database */
/* Timestamps are stored in miliseconds since 0001-01-02 */
$stamp = $days * 86400.0 * 1000.0;
/* Add one hour */
$stamp += 3600000.0;
/* The following will output '7/15/1917 01:00:00'. */
echo px_timestamp2string($px, $stamp, "n/d/Y H:i:s")."
";
px_delete($px);
?>
The above example will output:
7/15/1917
7/15/1917 01:00:00
The Julian day count as passed to jdtogregorian(3) has a different base of 1.1.4714 b.c. and must therefore be calculated by adding
1721425 to the day count used in the paradox file. Turning the day count into a timestamp is easily done by multiplying with 86400000.0 to
obtain miliseconds.
SEE ALSO
px_date2string(3), jdtogregorian(3).
PHP Documentation Group PX_TIMESTAMP2STRING(3)