Provided by: ruby-file-tail_1.2.0-1_all 
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NAME
rtail - Follow a file that is still growning.
SYNOPSIS
Small ruby library that allows it to “tail” files in Ruby, including following a file, that still is growing like the unix command 'tail -f' can. This application is an executable version of the features provided by ruby-file-tail.
DESCRIPTION
OPTS are -n NUMBER show the last NUMBER of lines in the tailed files -m PATTERN only tail files matching PATTERN, e. g. '*.log' -M prefix every line with the logfile name -h to display this help
SEE ALSO
The full documentation for version: is maintained as a Texinfo manual. If the info and version: programs are properly installed at your site, the command info version: should give you access to the complete manual.