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Top Forums Shell Programming and Scripting How to perform action on newest line in log using tail? Post 302397332 by dihewidd on Sunday 21st of February 2010 10:10:46 PM
Old 02-21-2010
Bug How to perform action on newest line in log using tail?

I don't quite know what I'm doing, so this simple script is proving a challenge.
Here is some pseudo code that doesn't work yet:

Code:
if tail -1 "WORKING.txt" >/dev/null | egrep "^NMBR=*" > /dev/null
    then
curl -k 'http://www.myserver.com/log.cgi?input=$?'
echo "hi there"
 fi


Purpose: Continuously monitor file "WORKING.txt" and check each new line as it is appended for lines that begin "NMBR=(number)" then take the value of the line and send it via curl to my web server as a variable.

Please point me in the right direction! Thanks

Last edited by pludi; 02-22-2010 at 05:27 AM.. Reason: code tags, please...
 

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CURLOPT_HTTPGET(3)					     curl_easy_setopt options						CURLOPT_HTTPGET(3)

NAME
CURLOPT_HTTPGET - ask for a HTTP GET request SYNOPSIS
#include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HTTPGET, long useget); DESCRIPTION
Pass a long. If useget is 1, this forces the HTTP request to get back to using GET. Usable if a POST, HEAD, PUT, etc has been used previ- ously using the same curl handle. When setting CURLOPT_HTTPGET(3) to 1, it will automatically set CURLOPT_NOBODY(3) to 0 and CURLOPT_UPLOAD(3) to 0. DEFAULT
0 PROTOCOLS
HTTP(S) EXAMPLE
curl = curl_easy_init(); if(curl) { curl_easy_setopt(curl, CURLOPT_URL, "http://example.com"); /* use a GET to fetch this */ curl_easy_setopt(curl, CURLOPT_HTTPGET, 1L); /* Perform the request */ curl_easy_perform(curl); } AVAILABILITY
Along with HTTP RETURN VALUE
Returns CURLE_OK if HTTP is supported, and CURLE_UNKNOWN_OPTION if not. SEE ALSO
CURLOPT_NOBODY(3), CURLOPT_UPLOAD(3), libcurl 7.54.0 February 03, 2016 CURLOPT_HTTPGET(3)
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