Remove the now unnecessary conversion of os::args() ret val.

base64/base64.rs

@@ -36,7 +36,7 @@ mod util;
 static NAME: &'static str = "base64";
 
 fn main() {
-    let args: Vec<StrBuf> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let opts = ~[
         optflag("d", "decode", "decode data"),
         optflag("i", "ignore-garbage", "when decoding, ignore non-alphabetic characters"),

cat/cat.rs

@@ -20,7 +20,7 @@ use std::io::stdio::{stdout_raw, stdin_raw};
 use std::io::{BufferedWriter};
 
 fn main() {
-    let args: Vec<StrBuf> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).as_slice();
     let opts = ~[
         getopts::optflag("A", "show-all", "equivalent to -vET"),

cksum/cksum.rs

@@ -78,7 +78,7 @@ fn open_file(name: &str) -> IoResult<Box<Reader>> {
 }
 
 pub fn main() {
-    let args: Vec<StrBuf> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let opts = [
         getopts::optflag("h", "help", "display this help and exit"),
         getopts::optflag("V", "version", "output version information and exit"),

comm/comm.rs

@@ -88,7 +88,7 @@ fn open_file(name: &str) -> IoResult<Box<Buffer>> {
 }
 
 pub fn main() {
-    let args: Vec<StrBuf> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let opts = [
         getopts::optflag("1", "", "suppress column 1 (lines uniq to FILE1)"),
         getopts::optflag("2", "", "suppress column 2 (lines uniq to FILE2)"),

cp/cp.rs

@@ -32,7 +32,7 @@ pub enum Mode {
 }
 
 fn main() {
-    let args: Vec<StrBuf> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let opts = ~[
         optflag("h", "help", "display this help and exit"),
         optflag("", "version", "output version information and exit"),

dirname/dirname.rs

@@ -17,7 +17,7 @@ use std::io::print;
 static VERSION: &'static str = "1.0.0";
 
 fn main() {
-    let args: Vec<StrBuf> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).clone();
     let opts = ~[
         getopts::optflag("z", "zero", "separate output with NUL rather than newline"),

du/du.rs

@@ -91,7 +91,7 @@ fn du(path: &Path, mut my_stat: Stat,
 }
 
 fn main() {
-    let args: Vec<StrBuf> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).as_slice();
     let opts = ~[
         // In task

echo/echo.rs

@@ -70,7 +70,7 @@ fn convert_str(string: &str, index: uint, base: uint) -> (char, int) {
 }
 
 fn main() {
-    let args: Vec<StrBuf> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).clone();
     let opts = ~[
         getopts::optflag("n", "", "do not output the trailing newline"),

fold/fold.rs

@@ -28,9 +28,9 @@ static VERSION: &'static str = "1.0.0";
 
 fn main() {
 
-    let (args, obs_width) = handle_obsolete(os::args().as_slice().to_owned());
+    let args = os::args();
+    let (args, obs_width) = handle_obsolete(args.as_slice());
     let program = args.get(0).clone();
-    let args: Vec<StrBuf> = os::args().iter().map(|x| x.to_strbuf()).collect();
 
     let opts = [
         getopts::optflag("b", "bytes", "count using bytes rather than columns (meaning control characters such as newline are not treated specially)"),

groups/groups.rs

@@ -26,7 +26,7 @@ use c_types::{get_pw_from_args, group};
 static NAME: &'static str = "groups";
 
 fn main () {
-    let args: Vec<StrBuf> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let options = [
             optflag("h", "", "Help")
         ];

head/head.rs

@@ -31,7 +31,7 @@ fn main () {
         (args, None) => args
     };
 
-    let args: Vec<StrBuf> = options.iter().map(|x| x.to_strbuf()).collect();
+    let args = options;
 
     let possible_options = [
         optopt("n", "number", "Number of lines to print", "n"),

hostname/hostname.rs

@@ -24,8 +24,8 @@ extern {
 }
 
 fn main () {
-    let args: Vec<StrBuf> = os::args().iter().map(|x| x.to_strbuf()).collect();
-    let program = args.get(0).to_owned();
+    let args = os::args();
+    let program = args.get(0);
 
     let options = [
         optflag("f", "full", "Default option to show full name"),

id/id.rs

@@ -88,7 +88,7 @@ extern {
 static NAME: &'static str = "id";
 
 fn main () {
-    let args: Vec<StrBuf> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let args_t = args.tail();
 
     let options = [

kill/kill.rs

@@ -54,7 +54,7 @@ pub enum Mode {
 
 
 fn main() {
-    let args: Vec<StrBuf> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
 
     let opts = ~[
         optflag("h", "help", "display this help and exit"),

logname/logname.rs

@@ -44,7 +44,7 @@ fn version() {
 }
 
 fn main() {
-    let args: Vec<StrBuf> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).clone();
 
     //