09-29-2010
Print lines between two lines after grep for a text string
Franklin, Thank you for the time you have taken to answer my query. The latest code works and produces the output that I wanted, however it will stop at the first occurrence of the <pattern>. In the file I am using for my test there are 19 of the key words.
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Hi all,
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1. Print the line number having word "START"
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frnd,
Is there any way to print only the string that matched the pattern instead printing the whole line?
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Hi folks
I am not allowed to install GNU grep on AIX.
Here my code excerpt:
grep_fatal () {
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Howto the same on AIX based machine?
from manual GNU grep
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E:/DDD/sss.com/nnnn/xxI want to print
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@SRR057408.1 FW8Y5CK02R652T length=34
AGCAGTGGTATCAACGCAGAGTAAGCAGTGGTAT
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2011-04-18 15:32:11 system-alert-00012: UDP flood! From xxxxxx to yyyyyyyyyy, int ethernet0/2). Occurred 1 times.
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20120530025502914 | REQUEST | whatever
20120530025502968 | RESPONSE | whatever
20120530025502985 | RESPONSE | whatever
20120530025502996 | REQUEST | whatever
20120530025503013 | REQUEST | whatever
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say we have :
2914 | REQUEST | whatever
2914 | RESPONSE | whatever
2914 | SUCCESS | whatever
2985 | RESPONSE | whatever
2986 | REQUEST | whatever
2990 | REQUEST | whatever
2985 | RESPONSE | whatever
2996 | REQUEST | whatever
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LEARN ABOUT FREEBSD
upscli_get
UPSCLI_GET(3) NUT Manual UPSCLI_GET(3)
NAME
upscli_get - retrieve data from a UPS
SYNOPSIS
#include <upsclient.h>
int upscli_get(UPSCONN_t *ups, int numq, const char **query,
int *numa, char ***answer)
DESCRIPTION
The upscli_get() function takes the pointer ups to a UPSCONN_t state structure, and the pointer query to an array of numq query elements.
It builds a properly-formatted request from those elements and transmits it to upsd(8).
Upon success, the response will be split into separate components. A pointer to those components will be returned in answer. The number of
usable answer components will be returned in numa.
USES
This function implements the "GET" command in the protocol. As a result, you can use it to request many different things from the server.
Some examples are:
o GET NUMLOGINS <ups>
o GET UPSDESC <ups>
o GET VAR <ups> <var>
o GET TYPE <ups> <var>
o GET DESC <ups> <var>
o GET CMDDESC <ups> <cmd>
QUERY FORMATTING
To generate a request for GET NUMLOGINS su700, you would populate query and numq as follows:
int numq;
const char *query[2];
query[0] = "NUMLOGINS";
query[1] = "su700";
numq = 2;
All escaping of special characters and quoting of elements with spaces is handled for you inside this function.
ANSWER FORMATTING
The raw response from upsd to the above query would be NUMLOGINS su700 1. Since this is split up for you, the values work out like this:
numa = 3;
answer[0] = "NUMLOGINS"
answer[1] = "su700"
answer[2] = "1"
Notice that the value which you seek typically starts at answer[numq].
ERROR CHECKING
This function will check your query against the response from upsd(8). For example, if you send "VAR" "su700" "ups.status", it will expect
to see those at the beginning of the response.
If the results from upsd do not pass this case-insensitive test against your request, this function will return an error. When this
happens, upscli_upserror(3) will return UPSCLI_ERR_PROTOCOL.
ANSWER ARRAY LIFETIME
The pointers contained within the answer array are only valid until the next call to a upsclient function which references them. If you
need to use data from multiple calls, you must copy it somewhere else first.
The answer array and its elements may change locations, so you must not rely on previous addresses. You must only use the addresses which
were returned by the most recent call. You also must not attempt to use more than numa elements in answer. Such behavior is undefined, and
may yield bogus data or a crash.
The array will be deleted after calling upscli_disconnect(3). Any access after that point is also undefined.
RETURN VALUE
The upscli_get() function returns 0 on success, or -1 if an error occurs.
SEE ALSO
upscli_list_start(3), upscli_list_next(3), upscli_strerror(3), upscli_upserror(3)
Network UPS Tools 05/22/2012 UPSCLI_GET(3)