Piped open not real-time - How would one handle live data?
When I run "/etc/myApp" I am presented with continuous output, just about once per second.
However when I try to get the information in Perl via a piped open, it waits till the end to give me anything... my code:
Why is that, and how can I fix it so that I do get the progressive output?
I know that I can solve my particular problem by just pushing STDOUT to a temp file, and then parsing it... but I would prefer to learn how to handle "live" data
Hi,
I have a log file that gets updated every second. Currently the size has grown to 20+ GB. I need to have a command/script, that will try to get the actual size of the file and will remove 50% of the data that are in the log file. I don't mind removing the data as the size has grown to huge... (8 Replies)
# date +%s -d "Mon Feb 11 02:26:04"
1360567564
# perl -e 'print scalar localtime(1360567564), "\n";'
Mon Feb 11 02:26:04 2013
the epoch conversion is working fine. but one of my application needs 13 digit epoch time as input
1359453135154
rather than 10 digit epoch time 1360567564... (3 Replies)
Dear experts,
I have an epoch time input file such as : -
1302451209564
1302483698948
1302485231072
1302490805383
1302519244700
1302492787481
1302505299145
1302506557022
1302532112140
1302501033105
1302511536485
1302512669550
I need the epoch time above to be converted into real... (4 Replies)
I want to have a terminal open and have something like a "repeating cat" command running in it for a certain text file (in particular /var/log/system.log). So my terminal will scan or cat the text file every so often or whenever the text file system.log gets written to by the system, it will... (1 Reply)