.po 1i
.TH IF 1C UCB
.V 08/15/84 16:54:42
.\"@[$]if.1C	1.7	08/15/84 16:54:42 - Zilog Inc.
.ad
.fi
.SH NAME
if \- C Shell flow control branch statement
.SH SYNOPSIS
\fBif \fI( expression.1 ) \fBthen
.in +5m
\fIcommand.1\fR
.in -5m
\fBelse if \fI (expression.2)\fB then
.in +5m
\fIcommand.2\fR
.in -5m
\fBelse\fR
.in +5m
\fIcommand.3\fR
.in -5m
\fBendif\fR
.SH DESCRIPTION
.PP
If 
\fIexpression.1\fR is true,
\fIcommand.1\fR is executed.
\fICommand.1\fR must be a simple command, not a pipeline, a command
list or a command list within parentheses.
If \fIexpression.1\fR  is not true, the \fIelse if\fR
condition is tested, and if \fIexpression.2\fR is true, the commands
in \fIcommand.2\fR to the second 
else are executed, etc.
Any number of
.B else-if
pairs are possible; only one
.B endif
is needed.
The
.B else
part is likewise optional.
The words
.B else
and
.B endif
must appear at the beginning of input lines.
.SH SEE ALSO
foreach(1C), 
while(1C).
.br
\fIThe C Shell\fR in the ZEUS Utilities Manual.