ns guindy.tcl
num_nodes is set 41
warning: Please use -channel as shown in tcl/ex/wireless-mitf.tcl
INITIALIZE THE LIST xListHead
couldn't read file "mobility.tcl": no such file or directory
    while executing
"source.orig mobility.tcl"
    ("uplevel" body line 1)
    invoked from within
"uplevel source.orig [list $fileName]"
    invoked from within
"if [$instance_ is_http_url $fileName] {
set buffer [$instance_ read_url $fileName]
uplevel eval $buffer
} else {
uplevel source.orig [list $fileName]
..."
    (procedure "source" line 8)
    invoked from within
"source  mobility.tcl"
    (file "guindy.tcl" line 68)