From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001
From: Joseph Hunkeler <jhunkeler@gmail.com>
Date: Wed, 8 Jul 2015 20:46:52 -0400
Subject: Initial commit

---
 pkg/language/doc/envget.hlp | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 pkg/language/doc/envget.hlp

(limited to 'pkg/language/doc/envget.hlp')

diff --git a/pkg/language/doc/envget.hlp b/pkg/language/doc/envget.hlp
new file mode 100644
index 00000000..ffed68e0
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+++ b/pkg/language/doc/envget.hlp
@@ -0,0 +1,30 @@
+.help envget Feb86 language
+.ih
+NAME
+envget -- get the string value of an environment variable
+.ih
+USAGE
+envget varname
+.ih 
+PARAMETERS
+.ls varname
+The environment variable whose value is to be returned.
+.le
+.ih
+DESCRIPTION
+\fIEnvget\fR returns the string value of the named environment variable.
+The user is prompted for the value if the variable has not yet been defined.
+.ih
+EXAMPLES
+1. Construct a filename using the value of the environment variable
+"editor", and page the file thus named.
+
+	cl> page ("dev$" // envget ("editor") // ".ed")
+
+2. Compute and print the center line on the terminal screen.
+
+	cl> = ((int (envget ("ttynlines")) + 1) / 2)
+.ih
+SEE ALSO
+set, show
+.endhelp
-- 
cgit 

