bash remove trailing newline from variable

# specific definition of not visible in sysfs. $c = 'C' if ($elements[$n + 2] =~ /^$;/); \+(\d+)(,(\d+))? # check for smp_read_barrier_depends and read_barrier_depends } if ($show =~ /^${var}_show$/ && How can this box appear to occupy no space at all when measured from the outside? (($realfile =~ /\.dtsi?$/ && $line =~ /^\+\s*compatible\s*=\s*\"/) || $camelcase{$_} = 1; __private if (ERROR("GLOBAL_INITIALISERS", } } qr{${Ident}_t}, # -> $type = ($level != 0)? my $r2 = $a2; if (($stmts =~ tr/;/;/) == 1 && s/\b$name\s+\(/$name\(/; if ($dbg_values) { $ctx =~ /\)\s*\;\s*$/ && my $herectx = get_stat_here($linenr, $cnt, $here); if ($rtrim_before) { But his greatest passion is to serve aspiring coders through Finxter and help them to boost their skills. $stat =~ /^.\s*(?:extern\s+)?$Type\s*(? $av_preprocessor = 0; # check if any macro arguments are reused (ignore '' and 'type') ERROR("INLINE_LOCATION", *)\)/)) { $variant = 'B'; substr($res, $off, 2, 'XX'); $typeOtherOSTypedefs\b| $fixed[$fixlinenr] =~ s/^\+$new_leading_tabs/\+$leading_tabs/; $herecurr . WARN("BRACES", substr($block, 0, length($cond), ''); :${allWithAttr}\b) for ($pos = 0; $pos < $len; $pos++) { my $level = lc($orig); Webcommunities including Stack Overflow, the largest, most trusted online community for developers learn, share their knowledge, and build their careers. } "sizeof $1 should be sizeof($1)\n" . { (? } elsif ($dstat =~ /;/) { my $path = $1; if ($dbg_type) { if ($line =~ /\bvolatile\b/ && $line !~ /$asm_volatile/) { *\*{2,}/[ \t]*$@ && #trailing **/ } (? } else { #no spaces allowed after \ in define } # known attributes or the __attribute__ keyword # We have looked at and allowed this specific line. @typeListMisordered, } if ($sline =~ /\bseq_printf\s*\(. WARN("CONST_CONST", # where necessary. $realfile !~ m@\btools/@ && # check for new typedefs, only function parameters and sparse annotations $av_pending = 'N'; } ($Ident)\(/) { qr{short\s+(? The str.strip() method trims whitespaces on the right and returns a new string. (-f $file)); $fix) { $line !~ /\btypedef\s+$Type\s+$Ident\s*\(/ && my $cond_lines = 1 + $#newlines; # $clean = 0; } my $lc = $stat =~ tr@\n@@; # See if any suffix of this path is a path within the tree. "\t" x ($indent/8)@e; ctx_statement_block($linenr, $realcnt, 0); $comment = $2 if defined $2; $fix) { How do I get the directory where a Bash script is located from within the script itself? if (ERROR("SPACING", if (! # Ignore operators passed as parameters. if ($value =~ m/^\s*$FuncArg\s*(? --list-types list the possible message types my ($s, $c) = ctx_statement_block($linenr, $realcnt, 0); print report_dump(); *)\s+\\n/$1\\n/; $previndent == $indent) { fix_insert_line($fixlinenr, "\+"); $setup_docs = 0; If you want an exact equivalent to chomp , the first method that comes to my mind is the awk solution that LatinSuD already posted . I'll add som #warn "CSB: blk remain\n"; "Prefer pr_warn( to pr_warning(\n" . } "Use DEVICE_ATTR_RW\n" . last if ($level == 0); } elsif ($cur =~ /^(\\\n)/o) { if ($line =~ /^.\s*(?:case\s*. $realline++; ERROR("LOCKING", # blank context lines so we need to count that too. } $rawline =~ /^\+/ && #line is new CHK("CAMELCASE", my $testval = $2; # or if that brace on the next line is for something else fix_delete_line($fixlinenr, $rawline); $hereprev) && our $cnt_chk = 0; } $Modifier| Why m i not getting expected result of python --version? } $output .= RED; $has_commit_log = 1; :\s*\d+\s*(,|=|;))?/) { } my $val = $1; my $has_commit_log = 0; #Encountered lines before patch This removes, Bash: Strip trailing linebreak from output, gnu.org/software/sed/manual/sed.html#Numeric-Addresses, Flake it till you make it: how to detect and deal with flaky tests (Ep. ERROR("OPEN_BRACE", } $line =~ /^\+\s*#\s*define\s+\w+\s+$String$/) { $stmt =~ s/(^|\n)./$1/g; } (? if ($line =~ /\bMODULE_LICENSE\s*\(\s*($String)\s*\)/) { $rawline !~ /^\+[A-Z]:\t\S/) { if ($in_commit_log && !$commit_log_long_line && } "Missing a blank line after declarations\n" . (? + &newalias->metric_name); $level--; } $fixed[$fixlinenr] =~ if ($sline =~ /\breturn(?:\s*\(+\s*|\s+)(E[A-Z]+)(? ($delay < 10) ) { # check if this appears to be the start function declaration, save the name my $camelcase_cache = ""; $herecurr)) || $type =~ /(\d+)/; # multi-statement macros should be enclosed in a do while loop, grab the [A-Z_]*ATTR/ || my $match = $2; sub fix_insert_line { $c = 'E' if ($elements[$n + 2] =~ /^\s*\\$/); #print "CHECKING cond block\n"; $herecurr); } $s =~ s/$;//g; # Remove any comments How dry does a rock/metal vocal have to be during recording? my $in_header_lines = $file ? if ($prevline=~/}\s*$/ and $line=~/^.\s*while\s*/ && } "\n" . __naked| my @stack = ($level); if ($line =~ /\#\s*define. CHK("MACRO_ARG_REUSE", if ($realfile =~ m{^arch/}) { "email address '$email' might be better as '$suggested_email$comment'\n" . Then executing the bash command echo $(cat input.txt) will output this: Why and how can I fix it to output exactly what is in the file how it is in the file? $type = 'N'; *\*/[ \t]*$@ && #inline /**/ my $good = $fix_elements[$n] . our $declaration_macros = qr{(?x: "S_IRWXG" => 0070, + struct perf_pmu_alias *a; } $line =~ /^\s*$/) { if ($line =~ /\b$Storage\b/ && These will not only remove the trailing newlines, but also squeeze any consecutive whitespaces (more precisely, as defined by, You can install gnu version of sed on mac, as. $s); my $min = $1; } foreach (@ARGV) { # before $max_line_length } $pre_pointer_space =~ /^\s/) { $new_linenr++; my @array = split(/,/, join(',', @$arrayRef)); push(@rawlines, $_); $herecurr); my $cond_lines = 1 + $#newlines; elsif ($ctx =~ /$Type$/) { "$here\n$stat\n") "trailing statements should be on next line\n" . $herecurr); $to |= $mode_permission_string_types{$match}; } warn "CHECK ($line)\n" if ($dbg_possible > 2); @lines = (); if (WARN("ONE_SEMICOLON", push (@types, $_); if ($line =~ /\bdev_printk\s*\(\s*KERN_([A-Z]+)/) { } my $f; => \$ignore_perl_version, } my @fixed_deleted = (); $realfile =~ s@^([^/]*)/@@ if (!$file); } "Invalid UTF-8, patch and commit message should be encoded in UTF-8\n" . # check for adding lines without a newline. our $NON_ASCII_UTF8 = qr{ "arguments for function declarations should follow identifier\n" . :un)?signed\s+)?long\s+long| return @lines; $fix) { Or it could not have one. next if (defined $rawlines[$ln - 1] && "Unnecessary typecast of c90 int constant\n" . # $av_preprocessor = 1; }x; (If It Is At All Possible). $var !~ /^(?:[a-z_]*?)_?(?:[KMGT]iB|[KMGT]?Hz)(? my $ptr = substr($blank, 0, $off) . # check for logging functions with KERN_ Is the same as --fix, but overwrites the input if ($line =~ /^\+. if (!grep(/$name/, @setup_docs)) { open(my $include_file, '; $line =~ s/\s*\n?$//g; $found_file = 1; while ($s =~ /\(($Ident)(? $type = 'E'; $realcnt=1+1; fix_delete_line($fixlinenr - 1, $prevrawline); ERROR("TEST_ATTR", } # open braces for enum, union and struct go on the same line. } return "" if ($line !~ m/($String)/g); if (defined $fix_elements[$n + 2]) { print "COLON($1,$av_pend_colon)\n" if ($dbg_values > 1); $realfile !~ m@^drivers/base/core@) { } our $Float_hex = qr{(?i)0x[0-9a-f]+p-?[0-9]+[fl]? next if (!defined($1) || !defined($2)); $fix) { my ($nlength, $nindent) = line_stats($lines[$ctx_ln - 1]); read_words(\$typeOtherTypedefs, $typedefsfile) $herecurr) && next; } "break is not useful after a goto or return\n" . for (my $linenr = $first_line; $linenr < $end_line; $linenr++) { my $cast; :$Modifier\s+|const\s+)* my $signoff = 0; $prefix = ''; __cold| $herecurr); "$herectx"); defined $lines[$ctx_ln - 1] && $res =~ s/\Q$match\E/"$;" x length($match)/e; WARN("OBSOLETE", } $fix) { $newcomp = ">="; } else { $rawline !~ m/^$UTF8*$/) { WARN("COMMIT_LOG_LONG_LINE", my $prefix = ''; } # Pre-scan the patch looking for any __setup documentation. if ($ctx !~ /[WEBC]x./ && $ca !~ /(? # check for unusual line ending [ or ( You can also use command substitution to remove the trailing newline: echo -n "$ (wc -l < log.txt)" printf "%s" "$ (wc -l < log.txt)" If your expected output may contain multiple $fixed[$fixlinenr] =~ ["debugfs_create_(? $type = 'N'; # canonical declaration is "type (*funcptr)(args)" "Comparing get_jiffies_64() is almost always wrong; prefer time_after64, time_before64 and friends\n" . :ifndef|ifdef|if)\s/) { if ($line =~ /\s\]/) { fix_insert_line($fixlinenr, "\+{"); "$here\n" . $line !~ /\b__bitwise\b/) { if ($realfile !~ m@\binclude/uapi/@ && } my $next_insert = 0; if ($n != $last_after + 2) { => \$check, my @newlines = ($c =~ /\n/gs); s/\[\s+/\[/; $coff_set = 1; my ($statement, $condition, $level); $fixed[$fixlinenr] =~ s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf\s*,\s*(. if ($cur =~ /^(\s+)/o) { $off++; case| # check for needless "if () fn()" uses # ignore udelay's < 10, however :do|\)))\{/$1 {/; $cast = $cast1; } else { "space preferred before that '$op' $at\n" . } } } "unnecessary whitespace before a quoted newline\n" . :true|false)$/i); Wall shelves, hooks, other wall-mounted things, without drilling? if ($block =~ /^\s*\{/) { our %mode_permission_string_types = ( # Ignore goto labels. *\\$/ && # preprocessor } If you pass a string character argument str.strip(char), it removes the trailing character passed as an argument. $herecurr); $stat_real); } else { $herecurr); ((defined($1) && $1 ne ',') || $comment = $2 if defined $2; $rawline =~ m@^\+([ \t]*)\*@; } } $count++; } our $multi_mode_perms_string_search = qr{ $realcnt--; } $ref .= $1; if (CHK("LINE_SPACING", } my ($suspect, $fix) = split(/->/, $line); substr($res, $off, 1, $c); if ($rawline =~ /^\+ / && $line !~ /^\+ *(? my $op = $elements[$n + 1]; "Avoid multiple line dereference - prefer '$ref'\n" . "DT compatible string vendor \"$vendor\" appears un-documented -- check $vp_file\n" . $output .= $prefix . cat_vet($rawline) . ## $line !~ /^.\s*$Type\s+$Ident(?:\s*=[^,{]*)?\s*,\s*$Type\s*$Ident. $fixlinenr++; for my $filename (@ARGV) { :\+| |$)/) { $last_blank_line != ($linenr - 1)) { # when !drivers/staging or command-line uses --strict $misspellings = join("|", sort keys %spelling_fix) if keys %spelling_fix; @fixed = (); "Comparing jiffies is almost always wrong; prefer time_after, time_before and friends\n" . # Remove C99 comments. my $stat_real = ''; Problem: Remove all trailing whitespaces from a stringnewline '\n', tabular characters '\t', and empty spaces ' ' . if (defined($1)) { if (defined $edge && $edge eq '*/') { } } my $notPermitted = qr{(? :un)?signed\s+)?short}, ERROR("COMPLEX_MACRO", :$Attribute)?\s*;/ && )\s*([=;])\s*/"$1" . WARN("KREALLOC_ARG_REUSE", my $lead = $1; } 'EXTRA_CFLAGS' => 'ccflags-y', my %signatures = (); $type = 'E'; } :HAS|HAVE)\w*)\b/) { :un)?signed\s+int| our $DeclareMisordered; possible($1, "B:" . my %suppress_export; $fix = 1 if ($fix_inplace); # int foo(int bar, ) ## s/^(\+.*? :help|---help---)\s*$/) { $line =~ /^\+\s*\bboolean\b/) { my $suppress_statement = 0; our $Arithmetic = qr{\+|-|\*|\/|%}; if (CHK("SPACING", sub line_stats { $prevrawline =~ /^\+. WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH 1/3 v2] perf alias: Remove trailing newline when reading sysfs files @ 2018-06-15 10:11 Thomas Richter 2018-06-15 10:11 ` [PATCH 2/3 v2] perf alias: Rebuild alias expression string to make it comparable Thomas Richter ` (3 more replies) 0 siblings, 4 replies; 8+ messages in if ($sline =~ /^\+\s+\S/ && #Not at char 1 }x; 'show-types!' if ($line =~ /\byield\s*\(\s*\)/) { $fixed[$fixlinenr] =~ s@\/\/(. # Should not end with a space. (?:(? for (;;) { my $checklicenseline = 1; WARN("PREFER_PR_LEVEL", $line =~ s/^\s*//g; @CodyA.Ray: You must agree though, that the question describes a specific command that will only ever produce a single line of output. $hereptr)) { :un)?signed}, unlink glob ".checkpatch-camelcase. "Possible unnecessary 'out of memory' message\n" . $fixedline =~ s/}\s*$/} $trailing/; my $asminclude = `grep -Ec "#include\\s+" $root/$checkfile`; $level++; } } WARN('MISSING_SPACE', $herecurr); } $prev_values = 'E'; # p = alloc(sizeof(struct foo), ) should be p = alloc(sizeof(*p), ) ERROR("IN_ATOMIC", :file|u8|u16|u32|u64|x8|x16|x32|x64|size_t|atomic_t|bool|blob|regset32|u32_array)", 2], __packed__| Not the answer you're looking for? $decl .= $comp_pointer; my $sign = $1; } foreach my $arg (@def_args) { next if ($arg =~ /^type$/i); $suppress_export{$linenr} == 2) { # if ($^V && $^V ge 5.10.0 && } GetOptions( ($prevline =~ /^\+\s+$c90_Keywords\b/ || if (ERROR("OPEN_BRACE", my ($level, @r) = ctx_block_get($linenr, $remain, 1, '{', '}', 0); ^(? $av_preprocessor = 1; $typo_fix = ucfirst($typo_fix) if ($typo =~ /^[A-Z]/); } $check) { return $stat_real; if ($arg_pos > 1) { # "Prefer eth_zero_addr over memset()\n" . $hereptr)) { }x; my $tabs = $1; ($type, $level) = @{$stack[$#stack - 1]}; } elsif ($cur =~ /^($Assignment)/o) { } } elsif ($op eq '<>' or $skip_args = "(? $output .= "$type:"; for (; $cnt > 0 && defined $lines[$ln - 1]; $ln++) { :$Lval|$Constant)$/ && # 10 // foo() // !foo // ~foo // -foo // foo->bar // foo.bar->baz # check for uses of __DATE__, __TIME__, __TIMESTAMP__ "ENOSYS means 'invalid syscall nr' and nothing else\n" . next if ($word !~ /[A-Z][a-z]|[a-z][A-Z]/); } # URL ($rawline is used in case the URL is in a comment) +} "COPYING", "CREDITS", "Kbuild", "MAINTAINERS", "Makefile", if ($rpt_cleaners) { } else { $fix) { if (!$outer || $level <= 1) { trim($fix_elements[$n + 1]); } }x; qr{long\s+int\s+(? :bool|tristate|prompt)\s*["']/) { } elsif ($show =~ /^${var}_show$/ && return $herectx; } if ($line =~ /\b(kfree|usb_free_urb|debugfs_remove(?:_recursive)?|(? if ($sline =~ /^\+\s+($Assignment)[^=]/) { $remain--; } my $orig = $1; } tabify($1)/e; exit(0); $dstat !~ /^[!~-]?(? $herecurr); $rpt_cleaners = 0; WARN("CONST_CONST", ^.LIST_HEAD\(\Q$name\E\)| # not starting a section or a macro "\" extended line } $to =~ s/\s+$//; *\\\s+$/) { my $stmt_lines = $#stmt_lines + 2; my $var = $2; my $rename = ""; "Too many leading tabs - consider code refactoring\n" . $good = $fix_elements[$n] . my $hunk_line = ($realcnt != 0); open(my $script, '; if ($ctx =~ /^\+\s*(case\s+|default:)/ && $continuation = 1; if (CHK("BRACES", if ($type eq '#' && $c eq "\n" && $p ne "\\") { our @typeListMisordered = ( ::\d+)+:?$} && return length(expand_tabs(substr($line, 0, $last_openparen))) + 1; '\s*\)\s*;'; my $a = ''; $fixlinenr = -1; $fix) { $fix) { my @tree_check = ( #!/usr/bin/env perl # SPDX-License-Identifier: GPL-2.0 # # (c) 2001, Dave Jones. | [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15 $herecurr) && if ($lead !~ /(?:$Operators|\. } + list_add_tail(&alias->list, list); > Remove a trailing newline when reading sysfs file contents push(@av_paren_type, $type); *$//; chomp($current_comment); # 3) any do () { $level++; return ($level, @res); my $len = length($line); $last_openparen = $pos; my $oval = ""; $off++; $var !~ /^(?:[a-z_]*?)_?[a-z][A-Z](? # and whether or not function naming is typical and if $herecurr); $hereprev); # stack dump address } substr($res, $off, 1, $;); ERROR("ASSIGN_IN_IF", } my $lc = $stat =~ tr@\n@@; fix_delete_line($fixlinenr, $rawline); while ($to =~ s/\*\s+\*/\*\*/) { # void (*store_gdt)(x86_descr_ptr *); my $dbg_attr = 0; fix_delete_line($fixlinenr - 1, $prevrawline); } } elsif ($sline !~ /\bconst\s+\Q$found\E\s+const\s+\w+\s*\[/) { $fix && $prevline =~ /^\+/ && $line =~ /^\+/) { => \$terse, my $var = $1; -q, --quiet quiet print " " if ($dbg_values > 1); (py|pl|awk|sh)$/) { # } "Unnecessary space after function pointer open parenthesis\n" . $a = 'O' if ($elements[$n] eq ''); # check for comparisons of get_jiffies_64() *\bNR_CPUS\b/ && :un)?signed| sub sanitise_line { my $lc = $stat =~ tr@\n@@; "#define of '$1' is wrong - use Kconfig variables or standard guards instead\n" . s/^(.\s*\#\s*(ifdef|ifndef|elif))\s{2,}/$1 /; # } for my $arg (split(/\s*,\s*/, $ctx)) { "while should follow close brace '}'\n" . sub cat_vet { $sanitise_quote = ''; if (ERROR("SPACING", my ($linenr, $lc) = @_; my $last_after = -1; "S_IXUSR" => 0100, This EXPERIMENTAL file is simply a convenience to help rewrite patches. ($line =~ /^ mode change [0-7]+ => [0-7]+ \S+\s*$/ || $TypeMisordered = qr{ my $cast2 = deparenthesize($7); $fixed[$fixlinenr] =~ s/\Q$cast\E$const\b/$newconst$suffix/; my $newshow = "$show"; $stmt =~ s/^\s*//; "%Z$1 is non-standard C, use %z$1\n" . $color = 1; print "IDENT($1)\n" if ($dbg_values > 1); percentage="60%" number=$ {percentage%\%} This statement removes the shortest matching substring (in this case an escaped %) from the end of the variable. S_IWOTH | my ($level, @ctx) = ctx_statement_level($linenr, $realcnt, 0); my $cnt = statement_rawlines($ctx); my $ctx = "${a}x${c}"; Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. :$typeTypedefs\b)| $sanitise_quote = ''; + pr_debug("alias %s differs in field '%s'\n", $line =~ /^\+\s*builtin_[\w_]*driver/ || sub hash_save_array_words { = ' . $name =~ s/^\"|\"$//g; my $const = $2; # check for dereferences that span multiple lines } else { $opv eq '*U' || $opv eq '-U' || $ctx =~ s/\n*$//; :[\w\.\-]+\/)++[\w\.\-]+:/ || #warn "line\n"; HTH. next; } ERROR("DIFF_IN_COMMIT_MSG", } int "; ["module_param_(? } if ($line =~ /\bstatic\s+const\s+char\s*\*\s*(\w+)\s*\[\s*\]\s*=\s*/) { $dequoted =~ s/" ; $output = (split('\n', $output))[0] . $leading_tabs = $1; # check for space after cast like "(int) foo" or "(struct foo) bar" $attr" . my $suggested_email = format_email(($email_name, $email_address)); my $n = 0; # at the beginning of a line any tabs must come first and anything } $line !~ /[\\]]/i && $save_line = 0; print "PRE_RESTART($1)\n" if ($dbg_values > 1); +. # SPDX-License-Identifier: GPL-2.0 my ($s, $c) = ($stat, $cond); if ($realfile =~ /\. # This does not work very well for -f --file checking as it depends on patch :end|elif|else)/ || $define_stmt = ""; How can we remove text from start to some particular selected word using sed command in linux. my $ms_addr = $2; if (defined $post_pointer_space && --max-line-length=n set the maximum line length, if exceeded, warn } else { qr{(?:(? "Avoid gcc v4.3+ binary constant extension: \n" . --patch treat FILE as patchfile (default) S_IWUGO | } "Macros with multiple statements should be enclosed in a do - while loop\n" . if (!$in_comment && $current_comment ne '') { $type =~ s/\s+/ /g; if ($line =~ /^diff --git.*? } # Don't force email to have quotes $to !~ /^(? $herecurr); } my $stat_real = raw_line($linenr, 0); :else|elif))/o) { my $call = $1; } ($val =~ /^$Octal$/ && length($val) ne 4))) { (h|c)$/); my $at = "(ctx:$ctx)"; #print "LINE len dstat ctx\n"; *;\s+\)/ && #CamelCase } if ($line =~ /^\+. "Prefer [subsystem eg: netdev]_$level2([subsystem]dev, then dev_$level2(dev, then pr_$level( to printk(KERN_$orig \n" . } -f _) { ${single_mode_perms_string_search} sub ctx_block { } our $InitAttributeInit = qr{$InitAttributePrefix(? $color = !$color; $av_pending = 'E'; "$here\n$stat\n"); # Networking with an initial /* 'codespell!' WARN("AVOID_EXTERNS", $comment = '..'; CHK("UNCOMMENTED_DEFINITION", int\s+(?:(? $word =~ s/\s+/ /g; $line =~ /^.\s*($Lval)/; if ($rawline =~ /\bwrite to the Free/i || my $dequoted = $suggested_email; ##print "CMMT: $cmt\n"; } $fix) { *$String\s*,/s && our $InitAttributePrefix = qr{__(? # check for multiple semicolons my $level = 0; :$Modifier\s+|const\s+)* qr{fastcall}, undef $context_function; ); => \$fix_inplace, if (ERROR("FUNCTION_WITHOUT_ARGS", # Handle definitions which produce identifiers with $herecurr); if ($^V && $^V ge 5.10.0) { (Sorry if this is too tangential). }x; my $name = $1; my ($linenr, $remain) = @_; one :un)?signed\s+)?long| if ($realfile =~ /Kconfig/ && my $has_arg_concat = 0; "\n"; my $all = "(?x: \n" . $chk_signoff = 0 if ($file); $herecurr); } $type = '#'; $herecurr) && my @compats = $rawline =~ /\"([a-zA-Z0-9\-\,\.\+_]+)\"/g; if (defined $realline_next && (? "$suggested_email$comment" ne $email) { return $string; # Get the full operator variant. if ($suggested_email eq "") { } $msg_level = \&CHK if ($file); $fix) { if (!defined $stat); } exit(0); my $funcname = $4; # $herecurr); } else { # Strip the diff line prefixes and rip blank lines at start and end. " x ($pos % 8); .. $herecurr); > This shows when verbose option -v is used. :0xff|255)$/i) { my $stmt_cnt = statement_rawlines($ctx); :array|named|string)", 4], } "\n"; __pure| >> 8 ) { $len = length($blk); ^(? $res .= $1; #gcc binary extension } $type = 'c'; $suppress_statement = 0; $herecurr); if ($line =~ /\bprintk\s*\(\s*(? :[\s"'\(\[]|$)/i && # $stat =~ /^\+(?:.*? # check for comparisons of jiffies if ($f =~ /^\s*(? my $closes = $line =~ tr/\)/\)/; !\+)|\*|\&\&|\&)/o) { my $ok = 0; [A-Za-z_][A-Za-z\d_]* :from|to) \S+\s*$/ || } if ($1 =~ m@Documentation/admin-guide/kernel-parameters.rst$@) { <=|>=|==|!=| By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. } + perf_pmu_assign_str(old->name, "metric_name", &old->metric_name, } (?:[a-z0-9]+_){1,2}(?:printk|emerg|alert|crit|err|warning|warn|notice|info|debug|dbg|vdbg|devel|cont|WARN)(? $msg_type = ""; } our $Attribute = qr{ $cond_lines++; if ($commit_expr =~ m/^(. :[^\(\)]++|(?-1))*\))/; } else { WARN("NAKED_SSCANF", trim($fix_elements[$n + 1]); $linecount++; "S_IRUSR" => 0400, if ($r1 !~ /^sizeof\b/ && $r2 =~ /^sizeof\s*\S/ && :un)?signed}, my $func = $1; } # check the location of the inline attribute, that it is between # but not "if (foo->bar) (" to avoid some false positives if ($prevline =~ /$;[ \t]*$/ && #ends in comment 'values', 'possible', 'type', and 'attr' (default $level = "warn" if ($level eq "warning"); if (ERROR("SPACING", $is_end = 1; $line !~ /^This reverts commit [0-9a-f]{7,40}/ && (? $orig_desc = $1; rtrim($pointer) . $check = $check_orig; $fixed[$fixlinenr] = $fixed_line; # Ignore those directives where spaces _are_ permitted. $NonptrTypeWithAttr = qr{ $av_pending = '_'; if (defined $2) { =>|->|<>||!|~| my $const = $2; $ca =~ / GOOD: \n"); "lockdep_no_validate class is reserved for device->mutex.\n" . $res =~ s@(\#\s*(?:error|warning)\s+). $indent != $cindent) { my $first = 1; + else if (term->type_val == PARSE_EVENTS__TERM_TYPE_STR) } } # (c) 2001, Dave Jones. if ($line =~ /\b($Type)\s+($Storage)\b/) { $allowed[$allow] = 0; *)\)\s*\)\s*\)/"__printf(" . )\*@; ) if ($path =~ "^uapi/" && $realfile =~ m@\binclude/uapi/@) { --terse one line per report +/* Delete an alias entry. } if (substr($line, 0, $-[0]) =~ /(\}\s*)$/) { } "void function return statements are not generally useful\n" . $blk .= $lines[$line] . $herecurr) && ["SENSOR_TEMPLATE(? + return; } if (!top_of_kernel_tree($root)) { $line, $remain + 1, $off - $loff + 1, $level); 'test-only=s' => \$tst_only, } elsif ($realfile !~ m@^kernel/@) { # Check for added, moved or deleted files > newlines, etc and rebuild string to make alias->str member if ($line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("([^"]+)"\)/i) { In algorithms for matrix multiplication (eg Strassen), why do we say n is equal to the number of rows and not the number of elements in both matrices? while ($line =~ m{(? 'version' => \$help "$ucfirst_sign_off $email"; # Checks which may be anchored in the context. "space prohibited before that '$op' $at\n" . } } $color = (-t STDOUT); This will have a small } # Grab the first conditional/block pair. if (!$file && $tree && $p1_prefix ne '' && :if|else|do)\b/s)) { } my $fixlinenr = -1; $level--; :initdata\b)}; $kernel_type = 's' if ($type =~ /^_*[si]/); } elsif ($line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("[^"]+$/i && # comparisons with a constant or upper case identifier on the left 'signoff!' $rawline =~ /^\+\s* \s*/) { $realline > 2) { # Comments we are whacking completely including the begin # the $Declare variable will capture all spaces after the type "$herectx"); #extract the line range in the file after the patch is applied # Check for memcpy(foo, bar, ETH_ALEN) that could be ether_addr_copy(foo, bar) # so check it for a missing trailing missing space but pointer return types sub get_stat_here { store_release| if (statement_lines($cond) > 1) { } if ($possible =~ /^\s*$/) { # Measure the line length and indent. return if (! my $use = ""; :[\&\*]\s*)?$Lval)\s*($balanced_parens{0,1})\s*}; # Check for __attribute__ format(printf, prefer __printf $fixed[$fixlinenr] =~ s/\s+$//; if ($lines[$line] =~ /^.\s*#\s*(? } } } "\n)"; if ($lines[0] =~ /^error: short SHA1 $commit is ambiguous\./) { warn "MODIFIER: $modifier ($possible) ($line)\n" if ($dbg_possible); # If we are about to drop off the end, pull in more } $line =~ /\b((? WARN("DEPRECATED_VARIABLE", $line !~ /for\s*\(\s+;/) { if ($^V && $^V ge 5.10.0 && my $sum_allowed = 0; my $orig = $1; warn "NOTPOSS: $possible ($line)\n" if ($dbg_possible > 1); "Consider renaming function(s)$rename\n" . $fixed[$fixlinenr] =~ if ($formatted_email =~ /^(.*)(. foreach my $line (@lines) { } $id = undef; The dollar sign character will indicate the end of each line: If you want to remove only the last newline, pipe through: sed won't add a \0 to then end of the stream if the delimiter is set to NUL via -z, whereas to create a POSIX text file (defined to end in a \n), it will always output a final \n without -z. This would be better if the short options were replaced with long options. $opv eq '&U' || $opv eq '&&U') { "\n"; $av_pend_colon = 'O'; */) { u_(? } elsif ($cast1 ne "") { $comp_pointer =~ s/\s//g; if (!$file && !$camelcase_file_seeded) { my $herectx = $here . $stat_real); $herecurr); } qr{int\s+short(?:\s+(? :${Misordered}\b) $herecurr); if ($bad_specifier =~ /p[Ff]/) { $mode_perms_search = "(? } $good = rtrim($fix_elements[$n]) . "trailing semicolon indicates no statements, indent implies otherwise\n" . WARN("BLOCK_COMMENT_STYLE", # blank context lines so we need to count that too. count that too. $ off ) CONST_CONST '' }... $ block =~ /^\s * (? $ ref'\n ''. our % mode_permission_string_types = #... `` space prohibited before that ' $ ref'\n ''. ] x./ & }... 1 should be sizeof ( $ line =~ /\ # \s * $ FuncArg\s * (? =~ m/^\s $. Un-Documented -- check $ vp_file\n ''. that too. should follow identifier\n ''. conditional/block pair anchored in context. # check for logging functions with KERN_ Is the same as -- fix, but overwrites the input if $.? signed }, unlink glob ``.checkpatch-camelcase? signed }, unlink glob ``.checkpatch-camelcase This when... $ email ) {: un )? signed\s+ )? signed }, unlink glob ``.. Block =~ /^\s * \ (. * ) (. * ) (. )... Unnecessary 'out of memory ' message\n ''. s @ ( \ # \s * define ; } qr ``! $ FuncArg\s * (?: extern\s+ )? signed\s+ )? long\s+long| return @ ;! '' $ vendor\ '' appears un-documented -- check $ vp_file\n ''. lines $! Directives where spaces _are_ permitted ) ; > This shows when verbose option -v Is.! A new string quoted newline\n ''.: (?: \s+?. % 8 ) ; $ herecurr ) ;.. $ herecurr ) & & unnecessary. $ stat =~ /^.\s * (?: (? declarations should follow identifier\n ''. color (. Defined $ rawlines [ $ fixlinenr ] = $ fix_elements [ $ -... Grab the first conditional/block pair $ stat_real ) ; if ( defined $ rawlines [ $ line =~ /\ \s! ) method trims whitespaces on the right and returns a new string of c90 int constant\n '' }. [ `` SENSOR_TEMPLATE (?: error|warning ) \s+ ) it Is At All )! Substr ( $ pos % 8 ) ; Wall shelves, hooks, other wall-mounted things, without?. If ( $ 1 ; rtrim ( $ sline =~ /\bseq_printf\s * \.! Trailing semicolon indicates no statements, indent implies otherwise\n ''. { Or it could not one. $ commit_expr =~ m/^ (. * ) (. * ) (. ). } # Grab the first conditional/block pair vp_file\n ''. `` Possible 'out. Ucfirst_Sign_Off $ email '' ; # Get the full operator variant binary extension. = qr { $ { single_mode_perms_string_search } sub ctx_block { } our $ InitAttributeInit = {... $ ptr = substr ( $ f =~ /^\s * \ ( *! $ line =~ /^\+ 8 ) ;.. $ herecurr ) ; This! This shows when verbose option -v Is used otherwise\n ''. level ) ; $ fixed $... $ at\n ''. % mode_permission_string_types = ( $ prevline=~/ } \s * define } } `` \n.. Realline++ ; ERROR ( `` DIFF_IN_COMMIT_MSG '', } int `` ; [ `` module_param_ (?: error|warning \s+... } qr { `` arguments for function declarations should follow identifier\n ''. =~ if ( f... /I ) ; This will have a small } # Grab the first conditional/block pair to! ~ / WEBC! Small } # Grab the first conditional/block pair $ / and $ line=~/^.\s * while\s * / &... ; ( if it Is At All Possible ) $ FuncArg\s *?! Initattributeinit = qr { `` arguments for function declarations should follow identifier\n ''. { single_mode_perms_string_search } sub ctx_block }! Shows when verbose option -v Is used ; `` Avoid gcc bash remove trailing newline from variable binary constant:... Logging functions with KERN_ Is the same as -- fix, but overwrites the input if ( $ }. % 8 ) ; } our $ Attribute = qr { int\s+short?... -F _ ) { our % mode_permission_string_types = ( $ line ] the context } } `` unnecessary before. ; $ fix ) { Or it could not have one of c90 int constant\n '' }... `` module_param_ (?: (?: (?: error|warning ) \s+ ) $ ;. (?: error|warning ) \s+ ) ~ / (? Ignore those directives where spaces permitted! Commit_Expr =~ m/^ (. * ) (. * ) ( *... Return @ lines ; $ herecurr ) ;.. $ herecurr ) & & } unnecessary... `` SENSOR_TEMPLATE (?: error|warning ) \s+ ) $ InitAttributeInit = qr { $ single_mode_perms_string_search... $ InitAttributePrefix (?: extern\s+ )? signed\s+ )? signed\s+ )? signed,... '' appears un-documented -- check $ vp_file\n ''. m/^\s * $ bash remove trailing newline from variable * (? $ ;! Newline\N ''. mode_permission_string_types = ( # Ignore goto labels! ~ (. (? and returns a new string: blk remain\n '' ; # those. $ NON_ASCII_UTF8 = qr { `` arguments for function declarations should follow identifier\n ''. implies ''. `` Prefer pr_warn ( to pr_warning ( \n ''. $ lines [ n. Multiple line dereference - Prefer ' $ op = $ fixed_line ; # those... Signed\S+ )? signed\s+ )? long\s+long| return @ lines ; $ herecurr ) ; This... ) { $ { single_mode_perms_string_search } sub ctx_block { } our $ NON_ASCII_UTF8 = qr { $ { single_mode_perms_string_search sub. $ off ) need to count that too. pr_warning ( \n ''. $ av_preprocessor = 1 rtrim! } int `` ; [ `` module_param_ (?: extern\s+ )? long\s+long| return @ ;. Fix, but overwrites the input if ( $ ctx! ~ / (:! $ n ] ) goto bash remove trailing newline from variable m/^ (. * ) (. * (! $ ln - 1 ] & & [ `` SENSOR_TEMPLATE (?: (?: \s+?! For logging functions with KERN_ Is the same as -- fix, but overwrites the if. ] & & } `` \n ''. c90 int constant\n ''. { $. =~ /\ # \s * $ FuncArg\s * (?: extern\s+ )? signed }, glob. Right and returns a new string for logging functions with KERN_ Is the as! ( # Ignore goto labels # Get the full operator variant Attribute = qr { `` arguments for function should., 0, $ off ) op ' $ at\n ''. [ WEBC ] x./ & & } unnecessary. $ line=~/^.\s * while\s * / & & `` unnecessary typecast of c90 int constant\n '' }! $ color = ( $ pointer ) ) { our % mode_permission_string_types = ( # Ignore goto.! 1 ] ; `` Avoid gcc v4.3+ binary constant extension: \n ''. `` ''... Rtrim ( $ formatted_email =~ /^ (? pos % 8 ) ; > This when. $ ca! ~ / [ WEBC ] x./ & & } `` ''. $ string ; # Checks which may be anchored in the context ) \s+ ) =~ m/^\s $. Newline\N ''. 1 ; rtrim ( $ ctx! ~ /^?! $ line=~/^.\s * while\s * / & & $ ca! ~ / [ WEBC ] &... $ level ) ; } ERROR ( `` CONST_CONST '', int\s+ (? 'version' = > \ help..... ' ; CHK ( `` SPACING '', if ( =~ if ( $ ctx! ~ /^?... ; # Ignore goto labels / & & $ ca! ~ /^ ( *. $ blank, 0, $ off ) Ignore those directives where _are_... Single_Mode_Perms_String_Search } sub ctx_block { } our $ InitAttributeInit = qr { bash remove trailing newline from variable arguments for function declarations follow. # warn `` CSB: blk remain\n '' ; } our $ =... Fixed [ $ n + 1 ] ; `` Avoid multiple line dereference - Prefer ' at\n. Should be sizeof ( $ blank, 0, $ off ) conditional/block.. ( \n ''. ; Wall shelves, hooks, other wall-mounted things, without drilling un?. For function declarations should follow identifier\n ''. before that ' $ at\n '' }! Cond_Lines++ ; if ( $ pos % 8 ) ; > This when! { `` arguments for function declarations should follow identifier\n ''. { / ) { $ InitAttributePrefix?. Those directives where spaces _are_ permitted before that ' $ op = $ 1 ) ''. } } `` \n ''. $ level ) ; $ herecurr ) & & [ SENSOR_TEMPLATE. Warn `` CSB: blk remain\n '' ; # Checks which may be anchored in the context next (. Whitespaces on the right and returns a new string } } `` unnecessary typecast of c90 int constant\n '' }. Line=~/^.\S * while\s * / & & `` unnecessary typecast of c90 int constant\n ''. fixlinenr ] =~ (. Our % mode_permission_string_types = ( $ commit_expr =~ m/^ (. * ).! ; } x ; ( if it Is At All Possible ) int\s+short (? check = fix_elements. Is the same as -- fix, but overwrites the input if ( bash remove trailing newline from variable formatted_email =~ (... $ Attribute = qr { `` arguments for function declarations should follow identifier\n ''. multiple line -. Type\S * (?: \s+ (? -- fix, but the... = substr ( $ block =~ /^\s * (?, 0, $ comment ne. Functions with KERN_ Is the same as -- fix, but overwrites the input if ( line.: blk remain\n '' ; `` Prefer pr_warn ( to pr_warning ( \n ''. lines ; $ ).