.ie \n(.g .ds Aq \(aq .el .ds Aq ' .TH printenv 1 "printenv 0.1.0" .SH NAME printenv \- print all or part of environment .SH SYNOPSIS \fBprintenv\fR [\fB\-0\fR|\fB\-\-null\fR] [\fB\-h\fR|\fB\-\-help\fR] [\fB\-V\fR|\fB\-\-version\fR] [\fIVARIABLE\fR] .SH DESCRIPTION print all or part of environment .SH OPTIONS .TP \fB\-0\fR, \fB\-\-null\fR end each output line with NUL, not newline .TP \fB\-h\fR, \fB\-\-help\fR Print help .TP \fB\-V\fR, \fB\-\-version\fR Print version .TP [\fIVARIABLE\fR] .SH VERSION v0.1.0 .SH AUTHORS Nathan Fisher