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.\"
.IX Title "Rex::Commands::Tail 3pm"
.TH Rex::Commands::Tail 3pm "2020-09-18" "perl v5.28.1" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.SH "NAME"
Rex::Commands::Tail \- Tail a file
.PP
Version <= 1.0: All these functions will not be reported.
.PP
All these functions are not idempotent.
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
With this module you can tail a file.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& tail "/var/log/syslog";
.Ve
.SH "EXPORTED FUNCTIONS"
.IX Header "EXPORTED FUNCTIONS"
.SS "tail($file)"
.IX Subsection "tail($file)"
This function will tail the given file.
.PP
.Vb 3
\& task "syslog", "server01", sub {
\&   tail "/var/log/syslog";
\& };
.Ve
.PP
If you want to control the output format, you can define a callback function:
.PP
.Vb 3
\& task "syslog", "server01", sub {
\&   tail "/var/log/syslog", sub {
\&    my ($data) = @_;
\& 
\&    my $server = Rex\->get_current_connection()\->{\*(Aqserver\*(Aq};
\& 
\&    print "$server>> $data\en";
\&   };
\& };
.Ve