I\'m playing around with calculating Levenshtein distances in Haskell, and am a little frustrated with the following performance problem.If you implement it most \'normal\' way for Haskell, like below
Is it possible to keep only t开发者_如何学编程he last 10 lines of a lines with a simple shell command?
I\'m writing a script that listens for changes to a log file and acts appropriately. At the moment I\'m using open my $fh, \"tail -f $logfile |\";开发者_Go百科 but ideally I don\'t want to use system
I wrote a Perl program to capture a live data stream from a tail command on a Linux machine using the following command in the console:
Given a text file of unknown length, how can I read, for example all but the first 2 lines of the file? I know tail will give me the last N lines, but I don\'t know what N is ahead of time.
I want to excecute a tail command in Unix for indefinite time and capture its output in a Perl script, process it and store certain data into a database. But it should be live, meaning old data – onc
So, Erlang is a real joy to work with, but there\'s one problem I run into occasionally, that I\'m wondering if there is a nicer way to solve. Often, I find myself needing to split several items from
I\'ve got this project running under mod_perl shows some information on a host. On this page is a text box with a dropdown that allows users to ping/nslookup/traceroute the host. The output is shown i
I want to run tail on a named pipe to facilitate some binary logfile processing. The problem is that mysterious data is being added to the beginning of the stream. I run my tests by starting the erlan
I want to create a small code in C++ with the same functionality as \"tail-f\": watch for new lines in a text file and show them in the standard output.
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