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parallel: Warn if the first 3 values end in \r\n (DOS newline).
This commit is contained in:
Ole Tange
parent
c7d42df6c6
commit
f44eb31be6
161
src/parallel
161
src/parallel
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@ -2155,7 +2155,7 @@ sub check_invalid_option_combinations() {
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sub init_globals() {
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# Defaults:
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$Global::version = 20210201;
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$Global::version = 20210202;
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$Global::progname = 'parallel';
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$::name = "GNU Parallel";
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$Global::infinity = 2**31;
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@ -3464,7 +3464,9 @@ sub init_run_jobs() {
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::usleep(rand()*300);
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::warning("No more processes: ".
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"Decreasing number of running jobs to $max.",
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"Raising ulimit -u or /etc/security/limits.conf may help.");
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"Try increasing 'ulimit -u' (try: ulimit -u `ulimit -Hu`)",
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"or increasing 'nproc' in /etc/security/limits.conf",
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"or increasing /proc/sys/kernel/pid_max");
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return 0;
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}
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}
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@ -3472,7 +3474,10 @@ sub init_run_jobs() {
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# No more file handles
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$no_more_file_handles_warned++ or
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::warning("No more file handles. ",
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"Raising ulimit -n or /etc/security/limits.conf may help.");
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"Try running 'parallel -j0 -N 100 --pipe parallel -j0'",
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"or increasing 'ulimit -n' (try: ulimit -n `ulimit -Hn`)",
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"or increasing 'nofile' in /etc/security/limits.conf",
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"or increasing /proc/sys/fs/file-max");
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debug("start", "No more file handles. ");
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return 0;
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}
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@ -11553,7 +11558,6 @@ sub new($) {
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}
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}
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}
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# Add {} if no replacement strings in @command
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($replacecount_ref, $len_ref, @command) =
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replacement_counts_and_lengths($transfer_files,$return_files,@command);
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@ -12297,76 +12301,95 @@ sub nest_get($) {
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return shift @{$self->{'unget'}};
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}
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sub read_arg_from_fh($) {
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# Read one Arg from filehandle
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# Returns:
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# Arg-object with one read line
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# undef if end of file
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my $fh = shift;
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my $prepend;
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my $arg;
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my $half_record = 0;
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do {{
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# This makes 10% faster
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if(not defined ($arg = <$fh>)) {
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{
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my $cr_count = 0;
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my $nl_count = 0;
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my $dos_crnl_determined;
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sub read_arg_from_fh($) {
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# Read one Arg from filehandle
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# Returns:
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# Arg-object with one read line
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# undef if end of file
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my $fh = shift;
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my $prepend;
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my $arg;
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my $half_record = 0;
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do {{
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# This makes 10% faster
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if(not defined ($arg = <$fh>)) {
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if(defined $prepend) {
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return Arg->new($prepend);
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} else {
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return undef;
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}
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}
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if(not $dos_crnl_determined and not $opt::d) {
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# Warn if input has CR-NL and -d is not set
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if($arg =~ /\r$/) {
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$cr_count++;
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} else {
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$nl_count++;
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}
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if($cr_count == 3 or $nl_count == 3) {
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$dos_crnl_determined = 1;
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if($nl_count == 0 and $cr_count == 3) {
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::warning('The first three values end in CR-NL. Consider using -d "\r\n"');
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}
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}
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}
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if($opt::csv) {
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# We need to read a full CSV line.
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if(($arg =~ y/"/"/) % 2 ) {
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# The number of " on the line is uneven:
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# If we were in a half_record => we have a full record now
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# If we were ouside a half_record => we are in a half record now
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$half_record = not $half_record;
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}
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if($half_record) {
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# CSV half-record with quoting:
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# col1,"col2 2""x3"" board newline <-this one
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# cont",col3
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$prepend .= $arg;
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redo;
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} else {
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# Now we have a full CSV record
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}
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}
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# Remove delimiter
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chomp $arg;
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if($Global::end_of_file_string and
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$arg eq $Global::end_of_file_string) {
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# Ignore the rest of input file
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close $fh;
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::debug("run", "EOF-string ($arg) met\n");
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if(defined $prepend) {
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return Arg->new($prepend);
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} else {
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return undef;
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}
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}
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if(defined $prepend) {
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return Arg->new($prepend);
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} else {
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return undef;
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$arg = $prepend.$arg; # For line continuation
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undef $prepend;
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}
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}
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if($opt::csv) {
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# We need to read a full CSV line.
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if(($arg =~ y/"/"/) % 2 ) {
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# The number of " on the line is uneven:
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# If we were in a half_record => we have a full record now
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# If we were ouside a half_record => we are in a half record now
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$half_record = not $half_record;
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if($Global::ignore_empty) {
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if($arg =~ /^\s*$/) {
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redo; # Try the next line
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}
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}
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if($half_record) {
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# CSV half-record with quoting:
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# col1,"col2 2""x3"" board newline <-this one
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# cont",col3
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$prepend .= $arg;
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redo;
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} else {
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# Now we have a full CSV record
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if($Global::max_lines) {
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if($arg =~ /\s$/) {
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# Trailing space => continued on next line
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$prepend = $arg;
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redo;
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}
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}
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}} while (1 == 0); # Dummy loop {{}} for redo
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if(defined $arg) {
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return Arg->new($arg);
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} else {
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::die_bug("multiread arg undefined");
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}
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# Remove delimiter
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chomp $arg;
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if($Global::end_of_file_string and
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$arg eq $Global::end_of_file_string) {
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# Ignore the rest of input file
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close $fh;
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::debug("run", "EOF-string ($arg) met\n");
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if(defined $prepend) {
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return Arg->new($prepend);
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} else {
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return undef;
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}
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}
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if(defined $prepend) {
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$arg = $prepend.$arg; # For line continuation
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undef $prepend;
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}
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if($Global::ignore_empty) {
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if($arg =~ /^\s*$/) {
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redo; # Try the next line
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}
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}
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if($Global::max_lines) {
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if($arg =~ /\s$/) {
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# Trailing space => continued on next line
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$prepend = $arg;
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redo;
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}
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}
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}} while (1 == 0); # Dummy loop {{}} for redo
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if(defined $arg) {
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return Arg->new($arg);
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} else {
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::die_bug("multiread arg undefined");
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}
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}
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