File: getenv.man

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.TH getenv G "April 1994" "Scilab Group" "Scilab Function"
.so ../sci.an
.SH NAME
getenv - get the value of an environment variable
.SH CALLING SEQUENCE
.nf
env=getenv(str [, rep] )
.fi
.SH PARAMETERS
.TP
str
: character string specifying environment variable name
rep
: an optional character string. When this optional value 
is used, the function \fVgetenv\fR returns the value \fVrep\fR
when the environment variable \fVstr\fR is not found. 
.TP
env
: character string which contain the environment variable value
.SH DESCRIPTION
Return the value of an environment variable if it exists. 
.SH EXAMPLE
.nf
	getenv('SCI')
	getenv('FOO','foo') 
.fi