can't read "argv": no such variable
    while executing
"puts "argv $argv""
    (in namespace eval "::request" script line 3)
    invoked from within
"namespace eval ::request $script"
    ("::try" body line 12)
OUTPUT BUFFER:
#!/usr/local/ActiveTcl/bin/tclsh

puts "argv $argv"
puts "argv0 $argv0"
puts [lindex $argv 0]
exit