parallel: Fixed bug if --wd does not exists. Incl test.

doc/release_new_version

@@ -201,13 +201,15 @@ cc:Sandro Cazzaniga <kharec@mandriva.org>,
    Ryoichiro Suzuki <ryoichiro.suzuki@gmail.com>,
    Jesse Alama <jesse.alama@gmail.com>
 
-Subject: GNU Parallel 20131222 ('Yutu') released
+Subject: GNU Parallel 20131222 ('Yutu' 玉兔) released
 
-GNU Parallel 20131222 ('Yutu') has been released. It is
+GNU Parallel 20131222 ('Yutu' 玉兔) has been released. It is
 available for download at: http://ftp.gnu.org/gnu/parallel/
 
 New in this release:
 
+* Using GNU Parallel to create a SVM classifier 
+  http://ivanyu.me/blog/2013/12/01/parallel/
 
 * Mon make à moi (French)
   http://www.slideshare.net/lindenb/mon-make-moi-tout-sauf-galaxy

src/parallel

@@ -4427,7 +4427,9 @@ sub sshlogin_wrap {
 	    if($opt::workdir) {
 		my $wd = ::shell_quote_file($self->workdir());
 		$remote_pre .= ::shell_quote_scalar("mkdir -p ") . $wd .
-		    ::shell_quote_scalar("; cd ") . $wd . ::shell_quote_scalar(" && ");
+		    ::shell_quote_scalar("; cd ") . $wd . 
+		    ::shell_quote_scalar(qq{ || sh -c 'echo "$Global::progname: Error: cannot cd to $wd" 1>&2' }.
+					 "&& exit 255; ");
 	    }
 	    $self->{'sshlogin_wrap'} =
 		($pre

src/parallel_tutorial.1

@@ -124,7 +124,7 @@
 .\" ========================================================================
 .\"
 .IX Title "PARALLEL_TUTORIAL 1"
-.TH PARALLEL_TUTORIAL 1 "2013-09-28" "20131122" "parallel"
+.TH PARALLEL_TUTORIAL 1 "2013-12-03" "20131122" "parallel"
 .\" For nroff, turn off justification.  Always turn off hyphenation; it makes
 .\" way too many mistakes in technical documents.
 .if n .ad l
@@ -1877,7 +1877,7 @@ Output:
 .Ve
 .PP
 \&\s-1GNU\s0 Parallel can copy all defined variables and functions to the
-remote system. It just need to record which ones to ignore in
+remote system. It just needs to record which ones to ignore in
 ~/.parallel/ignored_vars. Do that by running this once:
 .PP
 .Vb 2
@@ -2049,7 +2049,8 @@ Output (the order may be different):
 \&   20000   20000  140001
 .Ve
 .PP
-Notice that the last jobs could not get the full 140000 lines.
+Notice that the last job could not get the full 140000 lines, but only
+20000 lines.
 .PP
 If a record is 75 lines \-L can be used:
 .PP

src/parallel_tutorial.html

@@ -1287,7 +1287,7 @@ remote system.</p>
 <pre>
   in my_func baz</pre>
 <p>GNU Parallel can copy all defined variables and functions to the
-remote system. It just need to record which ones to ignore in
+remote system. It just needs to record which ones to ignore in
 ~/.parallel/ignored_vars. Do that by running this once:</p>
 <pre>
   parallel --record-env
@@ -1413,7 +1413,8 @@ line.</p>
   140000  140000  980000
   140000  140000  980000
    20000   20000  140001</pre>
-<p>Notice that the last jobs could not get the full 140000 lines.</p>
+<p>Notice that the last job could not get the full 140000 lines, but only
+20000 lines.</p>
 <p>If a record is 75 lines -L can be used:</p>
 <pre>
   cat num1000000 | parallel --pipe -L75 wc</pre>

src/parallel_tutorial.pod

@@ -1373,7 +1373,7 @@ Output:
   in my_func baz
 
 GNU Parallel can copy all defined variables and functions to the
-remote system. It just need to record which ones to ignore in
+remote system. It just needs to record which ones to ignore in
 ~/.parallel/ignored_vars. Do that by running this once:
 
   parallel --record-env
@@ -1515,7 +1515,8 @@ Output (the order may be different):
   140000  140000  980000
    20000   20000  140001
 
-Notice that the last jobs could not get the full 140000 lines.
+Notice that the last job could not get the full 140000 lines, but only
+20000 lines.
 
 If a record is 75 lines -L can be used:
 

testsuite/tests-to-run/parallel-local-ssh2.sh

@@ -4,4 +4,10 @@ cat <<'EOF' | sed -e s/\$SERVER1/$SERVER1/\;s/\$SERVER2/$SERVER2/ | stdout paral
 echo '### --filter-hosts --slf <()'
   parallel --nonall --filter-hosts --slf <(echo localhost) echo OK
 
+echo '### --wd no-such-dir'
+  stdout parallel --wd /no-such-dir -S csh@localhost echo ::: 1; echo Exit code $?
+  stdout parallel --wd /no-such-dir -S tcsh@localhost echo ::: 1; echo Exit code $?
+  stdout parallel --wd /no-such-dir -S parallel@localhost echo ::: 1; echo Exit code $?
+
+
 EOF

testsuite/wanted-results/parallel-local-ssh2

@@ -1,2 +1,15 @@
 ### --filter-hosts --slf <()
 OK
+### --wd no-such-dir
+mkdir: cannot create directory ‘/no-such-dir’: Permission denied
+bash: line 0: cd: /no-such-dir: No such file or directory
+parallel: Error: cannot cd to /no-such-dir
+Exit code 1
+mkdir: cannot create directory ‘/no-such-dir’: Permission denied
+bash: line 0: cd: /no-such-dir: No such file or directory
+parallel: Error: cannot cd to /no-such-dir
+Exit code 1
+mkdir: cannot create directory ‘/no-such-dir’: Permission denied
+bash: line 0: cd: /no-such-dir: No such file or directory
+parallel: Error: cannot cd to /no-such-dir
+Exit code 1