.ie \n(.g .ds Aq \(aq .el .ds Aq ' .TH tac 1 "tac 0.0.26" .SH NAME tac \- Write each file to standard output, last line first. .SH SYNOPSIS \fBtac\fR [\fB\-b\fR|\fB\-\-before\fR] [\fB\-r\fR|\fB\-\-regex\fR] [\fB\-s\fR|\fB\-\-separator\fR] [\fB\-h\fR|\fB\-\-help\fR] [\fB\-V\fR|\fB\-\-version\fR] [\fIfile\fR] .SH DESCRIPTION Write each file to standard output, last line first. .SH OPTIONS .TP \fB\-b\fR, \fB\-\-before\fR attach the separator before instead of after .TP \fB\-r\fR, \fB\-\-regex\fR interpret the sequence as a regular expression .TP \fB\-s\fR, \fB\-\-separator\fR=\fISTRING\fR use STRING as the separator instead of newline .TP \fB\-h\fR, \fB\-\-help\fR Print help .TP \fB\-V\fR, \fB\-\-version\fR Print version .SH VERSION v0.0.26