Update examples collection

emsdk-cache/emsdk-main/emsdk_env.csh

@@ -0,0 +1,30 @@
+# This script is sourced by the user and uses
+# their shell. Try not to use tcshisms.
+
+# Do not execute this script without sourcing,
+# because it won't have any effect then.
+# That is, always run this script with
+#
+#     source ./emsdk_env.csh
+#
+# instead of just plainly running with
+#
+#     ./emsdk_env.csh
+#
+# which won't have any effect.
+set SRC=($_)
+if ("$SRC" == "") then
+  set SRC="$0"
+else
+  set SRC="$SRC[1]"
+endif
+set CURDIR=`pwd`
+setenv DIR `dirname "$SRC"`
+unset SRC
+
+setenv EMSDK_CSH 1
+
+eval `$DIR/emsdk construct_env`
+unsetenv DIR
+
+unsetenv EMSDK_CSH