Fixed space-containing argument propagation #98 (#104)

Author: EugeneSusla

kscript

@@ -25,4 +25,4 @@ jarPath=$(dirname $abs_kscript_path)/kscript.jar
 if [[ $(uname) == CYGWIN* ]]; then jarPath=$(cygpath -w ${jarPath}); fi
 
 ## run it using command substitution to have just the user process once kscript is done
-exec $(kotlin -classpath ${jarPath} kscript.app.KscriptKt "$@")
+eval "exec $(kotlin -classpath ${jarPath} kscript.app.KscriptKt "$@")"

src/main/kotlin/kscript/app/Kscript.kt

@@ -237,8 +237,8 @@ fun main(args: Array<String>) {
     }
 
 
-    // print the final command to be run by exec
-    val joinedUserArgs = userArgs.joinToString(" ")
+    // print the final command to be run by eval+exec
+    val joinedUserArgs = userArgs.map { "\"${it.replace("\"", "\\\"")}\"" }.joinToString(" ")
 
     //if requested try to package the into a standalone binary
     if (docopt.getBoolean("package")) {