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Unittest for multiple -a. Code refactor.
This commit is contained in:
Ole Tange
parent
3adfc665f1
commit
248fa1c940
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@ -1,6 +1,3 @@
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multiple -a == ::::
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# Hvordan udregnes system limits på remote systems hvis jeg ikke ved, hvormange
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# argumenter, der er? Lav system limits lokalt og lad det være max
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88
src/parallel
88
src/parallel
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@ -82,7 +82,7 @@ B<{.}> can be changed with B<-U>.
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=item B<{>I<n>B<}>
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Argument from argument file I<n> or the I<n>'th argument. See B<::::>
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Argument from argument file I<n> or the I<n>'th argument. See B<-a>
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and B<-N>.
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B<{>I<n>B<}> can be used the same places as B<{}>.
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@ -113,11 +113,9 @@ If B<--arg-file> is set arguments from that file will be appended.
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=item B<::::> I<argfiles> (beta test)
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Use arguments from the command line as arguments files for input. One
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line will be read from each of the files. The arguments can be
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accessed in the command as B<{1}> .. B<{>I<n>B<}>, so B<{1}> will be a
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line from the first file, and B<{6}> will refer to the line with the
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same line number from the 6th file.
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Alternative version of B<-a> I<argfile1> B<-a> I<argfile2> ...
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See B<-a>.
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=item B<--null>
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@ -137,6 +135,12 @@ Read items from the file I<input-file> instead of stdin (standard input). If
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you use this option, stdin is given to the first process run.
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Otherwise, stdin is redirected from /dev/null.
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If multiple B<-a> are given, one line will be read from each of the
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files. The arguments can be accessed in the command as B<{1}>
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.. B<{>I<n>B<}>, so B<{1}> will be a line from the first file, and
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B<{6}> will refer to the line with the same line number from the 6th
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file.
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=item B<--arg-sep> I<sep-str> (beta testing)
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@ -1947,6 +1951,7 @@ sub parse_options {
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}
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$Global::total_jobs += @ARGV;
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@ARGV=();
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last;
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} else {
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push @new_argv, $arg;
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}
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@ -1956,10 +1961,7 @@ sub parse_options {
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}
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if(grep /^::::$/o, @ARGV) {
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# max-replace-args
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if(not @::opt_a) { push @::opt_a, "/dev/null"; }
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# read all the files and merge them
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# convert :::: to multiple -a
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my @new_argv = ();
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my @argument_files;
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while(@ARGV) {
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@ -1973,36 +1975,7 @@ sub parse_options {
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}
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# Output: @ARGV = command option
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@ARGV=@new_argv;
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$Global::input_is_filename ||= (@ARGV);
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$::opt_N = $#argument_files+1;
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$Global::max_number_of_args = $#argument_files+1;
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# read the files
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my @content;
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my $max_lineno = 0;
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my $in_fh = gensym;
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for (my $fileno = 0; $fileno <= $#argument_files; $fileno++) {
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if(not open ($in_fh, $argument_files[$fileno])) {
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print STDERR ("$Global::progname: Cannot open $argument_files[$fileno]\n");
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exit (255);
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}
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for (my $lineno=0; $content[$fileno][$lineno] = get_next_arg_from_fh($in_fh); $lineno++) {
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$max_lineno = max($max_lineno,$lineno);
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}
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close $in_fh;
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}
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for (my $lineno=0; $lineno <= $max_lineno; $lineno++) {
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for (my $fileno = 0; $fileno <= $#argument_files; $fileno++) {
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my $arg = $content[$fileno][$lineno];
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if(defined $arg) {
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unget_arg($arg);
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} else {
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unget_arg("");
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}
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}
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}
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$Global::total_jobs += $max_lineno;
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push @::opt_a, @argument_files;
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}
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# must be done after ::: and :::: because they mess with @ARGV
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@ -2012,21 +1985,10 @@ sub parse_options {
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# must be done after opt_arg_sep
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if($#::opt_a == 0) {
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# One -a => xargs compatibility
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if(not open(ARGFILE,"<",$::opt_a[0])) {
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print STDERR "$Global::progname: ".
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"Cannot open input file `$::opt_a[0]': ".
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"No such file or directory\n";
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exit(255);
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}
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$Global::argfile = *ARGFILE;
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$Global::argfile = open_or_exit($::opt_a[0]);
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} else {
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if(not open(ARGFILE,"<","/dev/null")) {
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print STDERR "$Global::progname: ".
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"Cannot open input file `/dev/null': ".
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"No such file or directory\n";
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exit(255);
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}
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$Global::argfile = *ARGFILE;
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# Multiple -a => xapply style
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$Global::argfile = open_or_exit("/dev/null");
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$::opt_N = $#::opt_a+1;
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$Global::max_number_of_args = $#::opt_a+1;
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# read the files
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@ -2034,10 +1996,7 @@ sub parse_options {
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my $max_lineno = 0;
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my $in_fh = gensym;
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for (my $fileno = 0; $fileno <= $#::opt_a; $fileno++) {
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if(not open ($in_fh, $::opt_a[$fileno])) {
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print STDERR ("$Global::progname: Cannot open $::opt_a[$fileno]\n");
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exit (255);
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}
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$in_fh = open_or_exit($::opt_a[$fileno]);
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for (my $lineno=0;
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$content[$fileno][$lineno] = get_next_arg_from_fh($in_fh);
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$lineno++) {
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@ -2068,7 +2027,6 @@ sub parse_options {
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$Global::Xargs = 1;
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}
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if(defined $::opt_eta) {
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# must be done after opt_a
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$::opt_progress = $::opt_eta;
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@ -2109,6 +2067,18 @@ sub parse_options {
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}
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}
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sub open_or_exit {
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my $file = shift;
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my $fh = gensym;
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if(not open($fh,"<",$file)) {
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print STDERR "$Global::progname: ".
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"Cannot open input file `$file': ".
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"No such file or directory\n";
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exit(255);
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}
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return $fh;
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}
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sub cleanup {
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# Returns: N/A
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if(@::opt_basefile) {
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@ -32,3 +32,13 @@ echo '### Quoting if there is no command and 2 arg files'
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parallel -kv :::: <(echo 'echo a') <(echo 'echo b')
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echo '### Quoting if there is no command and 2 arg files of uneven length'
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parallel -kv :::: <(echo 'echo a';echo echo a1) <(echo 'echo b')
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echo '### Test multiple -a'
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parallel -kv -a <(echo a) -a <(echo b) echo {2} {1}
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parallel -kv echo {2} {1} :::: <(echo a) <(echo b)
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echo '### Multiple -a: An unused file'
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parallel -kv -a <(echo a) -a <(echo b) -a <(echo c) echo {2} {1}
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parallel -kv echo {2} {1} :::: <(echo a) <(echo b) <(echo c)
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echo '### Multiple -a: nonexistent'
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stdout parallel -kv echo {2} {1} :::: nonexist nonexist2
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stdout parallel -kv -a nonexist -a nonexist2 echo {2} {1}
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@ -10,7 +10,7 @@
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3 4 5
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6 7
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### Test :::: on nonexistent
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parallel: Cannot open nonexistent
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parallel: Cannot open input file `nonexistent': No such file or directory
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### Test :::: two files
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1 5
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2 6
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@ -81,3 +81,16 @@ echo a echo b
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a echo b
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echo a1
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a1
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### Test multiple -a
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echo b a
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b a
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echo b a
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b a
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### Multiple -a: An unused file
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echo b a
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b a
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echo b a
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b a
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### Multiple -a: nonexistent
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parallel: Cannot open input file `nonexist': No such file or directory
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parallel: Cannot open input file `nonexist': No such file or directory
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