bash remove trailing newline from variable

foreach my $path (split(/:/, $ENV{PATH})) { if ($realfile !~ m@\binclude/uapi/@ && qr{(?:(? . $line =~ /^\+[ \t]*$;/ && #leading comment # Check if either of these lines are modified, else } elsif ($line =~ /^\+. # avoid checking a few false positives: if ($string =~ /^($FuncArg|$balanced_parens)/) { if ($line =~ /^\s*MAINTAINERS\s*\|/) { if ($^V && $^V ge 5.10.0 && "please, no spaces at the start of a line\n" . if ($prevrawline =~ /[^\\]\w"$/ && $rawline =~ /^\+[\t ]+"\w/) { :$Lval|$Constant)$/ && # 10 // foo() // !foo // ~foo // -foo // foo->bar // foo.bar->baz $line =~ /DEVICE_ATTR. 'fix!' (defined $tst_only && $msg !~ /\Q$tst_only\E/)) { $herecurr); } # Check for switch () and associated case and default my $fixedline = rtrim($prevrawline) . " } ); $level++; my @stack = (); possible($1, "B:" . # 2) preprocessor lines, and our $Float_hex = qr{(?i)0x[0-9a-f]+p-?[0-9]+[fl]? } else { $herecurr); elsif ($opv eq '*_') { Is "I'll call you at my convenience" rude when comparing to "I'll call you when I am available"? $level = pop(@stack); our $Float = qr{$Float_hex|$Float_dec|$Float_int}; $blk .= $rawlines[$line]; WARN("EXPORT_SYMBOL", if ($quiet == 0) { my ($current_comment) = ($rawlines[$end_line - 1] =~ m@.*(/\*.*\*/)\s*(? $remainder =~ /^(else)(? $herecurr) && This will replace new line (Input record separator) with "". return ""; # Block comments use */ on trailing lines :\+| |$)/) { } # We need \b after 'init' otherwise 'initconst' will cause a false positive in a check print "PAREN('$1')\n" if ($dbg_values > 1); my $spaces_to_tab = " " x $source_indent; > my $delay = $1; # 1. with a type on the left -- int [] a; if ($space_after) { $color = !$color; #print "APW: ALLOWED: block\n"; $res =~ s@(\#\s*(?:error|warning)\s+). 'debug=s' => \%debug, } --ignore-perl-version override checking of perl version. $herecurr); $level = "warn" if ($level eq "warning"); if ($^V && $^V ge 5.10.0 && $ctx !~ /^.\s*#\s*define\s+TRACE_(? if ($line =~ /^.\s*($Declare)\((\s*)\*(\s*)($Ident)(\s*)\)(\s*)\(/) { if ($file) { # check for unnecessary blank lines around braces WARN("EXPORTED_WORLD_WRITABLE", (defined($1) || defined($2))))) { } $offset} = 1; return $string; my $replacement = { "__scanf(string-index, first-to-check) is preferred over __attribute__((format(scanf, string-index, first-to-check)))\n" . } {"; | \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs # check for pointless casting of kmalloc return ## print("el: \n"); "Prefer kernel type '$kernel_type' over '$type'\n" . localtime((stat $file)[9])); $in_commit_log = 0; (($check)? if ($type eq '(' && $c eq ')') { # check for spaces between functions and their parentheses. # If the statement carries leading newlines, $stat =~ /^\+(?:.*? "space required before the open parenthesis '('\n" . $camelcase{$1} = 1; our $C90_int_types = qr{(?x: $fix) { "\n" . fix_delete_line($fixlinenr, $rawline); last if ($word =~ m/^#/); } elsif ($emacs) { } # 2) any opening brace { on end of the line if ($var =~ /^$Binary$/) { + if (term->type_val == PARSE_EVENTS__TERM_TYPE_NUM) \s*0[xX][0-9]+\s* To help students reach higher levels of Python success, he founded the programming education website Finxter.com. [0-9]+)/ and my $clean = 'X' x length($1); $newcomp = "<="; if ($continuation || 'q|quiet+' => \$quiet, # echo "commit $(cut -c 1-12,41-)" our $Type; "msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt\n" . } our $cnt_lines = 0; } $fixed[$fixlinenr] =~ s/\bDEVICE_ATTR\s*\(\s*$var\s*,\s*\Q$perms\E\s*,\s*$show\s*,\s*$store\s*\)/DEVICE_ATTR_RW(${var})/; my $line = $_; CHK("ASSIGNMENT_CONTINUATIONS", my $var = $1; } sub top_of_kernel_tree { load_acquire| $herecurr) && $check = 0; __user| $fix) { substr($var, length($res), 1, $variant); $suppress_export{$linenr} == 2) { my $use = ""; $camelcase_cache = ".checkpatch-camelcase.git.$git_last_include_commit"; :$balanced_parens)?\s*krealloc\s*\(\s*\1\s*,/) { + zfree(&newalias->name); Bash Shell remove white spaces using xargs. } WARN("MASK_THEN_SHIFT", # Ignore: :un)?signed\s+)?long\s+long\s+int}, $check = 0; my $last_blank_line = 0; if ($line =~ /(^. WARN("LINUX_VERSION_CODE", for (;;) { if ($line=~/^.\s+[A-Za-z\d_]+:(?! # } WARN("JIFFIES_COMPARISON", # bitfield continuation } (defined($2) && $2 ne ','))) { } } $f = $lines[$ln - 1]; (-e ".git")); # check for switch/default statements without a break; { $prevrawline =~ /^\+. $permhere); $herevet) && $ca =~ / GOOD: \n"); $_ = "--color=$color"; } else { } my $email = $4; } } } $herecurr); $hereptr); $length++; WARN("UNNECESSARY_CASTS", print "SIZEOF($1)\n" if ($dbg_values > 1); } $herecurr); *=\s*($zero_initializer)\s*;/) { # check for use of yield() *;\s+\)/ && $prevrawline =~ m@^\+(.*/? :\\\s*)?$@); *$//; S_IALLUGO | "Use of const init definition must use ${attr_prefix}initconst\n" . > Scan alias definitions and remove leading zeroes, spaces, $output .= $prefix . : } undef $context_function; # UTF-8 regex found at http://www.w3.org/International/questions/qa-forms-utf-8.en.php $herecurr); ##print "prefix\n"; $1; # Ignore email addresses $res .= $type x length($1); [PATCH 2/3 v2] perf alias: Rebuild alias expression string to make it comparable, 0 siblings, 4 replies; 8+ messages in thread, [PATCH 1/3 v2] perf alias: Remove trailing newline when reading sysfs files, [PATCH 3/3 v2] perf stat: Remove duplicate event counting, 3 siblings, 2 replies; 8+ messages in thread, 3 siblings, 1 reply; 8+ messages in thread, 3 siblings, 0 replies; 8+ messages in thread, 1 sibling, 0 replies; 8+ messages in thread, https://git.kernel.org/tip/ea23ac73085743a4f1682d6605fe019577c82e1e, http://lkml.kernel.org/r/20180615101105.47047-1-tmricht@linux.ibm.com, https://git.kernel.org/tip/0c24d6fb7bd3578e5b9e4972d01bbe3d087ded33, http://lkml.kernel.org/r/20180615101105.47047-2-tmricht@linux.ibm.com, 0 siblings, 0 replies; 8+ messages in thread, https://git.kernel.org/tip/6dde6429c5ff5b38d6d40a14a6ee105117e6364d, http://lkml.kernel.org/r/20180615101105.47047-3-tmricht@linux.ibm.com. # Otherwise set the alternate message types seed_camelcase_file($realfile); } print "COMMA($1)\n" if ($dbg_values > 1); # canonical declaration is "type (*funcptr)(args)" for (my $n = 0; $n < $cnt; $n++) { If this sub ctx_locate_comment { } } $check = 1; $line =~ /\b__weak\b/)) { "Unnecessary space before function pointer arguments\n" . my $cnt = statement_rawlines($stat); $msg_type = ""; How do I set a variable to the output of a command in Bash? } return grep { !$seen{$_}++ } @_; if (-f "$root/$checkfile" && last if ($fline =~ /^\@\@/); if ($line =~ /^.\s*{/ && u_(? print << "EOM" last; :\s+$Sparse)*\s*\**\s*(:?\b$Ident)?$/s || $arg =~ /^($Ident)$/s) { $fix) { + else if (term->type_val == PARSE_EVENTS__TERM_TYPE_STR) "$here\n$stat\n") && "switch default: should use break\n" . Making statements based on opinion; back them up with references or personal experience. = ' . } # with exceptions for various attributes and macros if ($line =~ /(\b$Type\s+$Ident)\s*\(\s*\)/) { my $extension; my $c = ''; if (CHK("UNNECESSARY_PARENTHESES", } elsif ($line =~ /^\@\@ -\d+,\d+ \+\d+,\d+ \@\@/) { #new hunk } } ($line =~ /^\s*(? # check for space after cast like "(int) foo" or "(struct foo) bar" our $NonptrType; + if (*new_str) { /* Have new string, check with old */ $stat_real = "[]\n$stat_real"; } elsif ($cur =~ /^($Modifier)\s*/) { my $count = $openparens =~ tr@\(@\(@; # ## concatenation is commonly a macro that defines a function so ignore those "Using yield() is generally wrong. $herecurr); + parse_events_terms__purge(&newalias->terms); } our $Storage = qr{extern|static|asmlinkage}; if ($modifier !~ $notPermitted) { time| "open brace '{' following function definitions go on the next line\n" . $octal_perms eq "0200") { } if (ERROR("SPACING", while ($line =~ m{(\($NonptrType(\s*(? ! "Prefer dev_$level( to dev_printk(KERN_$orig, \n" . $herecurr); } elsif ($cur =~ /^($Ident)\s*\(/o) { } elsif ($ctx =~ /Wx[^WCE]|[^WCE]xW/) { } $use =~ s/pS/ps/ if ($bad_specifier =~ /pf/); } if (WARN("UNNECESSARY_KERN_LEVEL", # Check for incorrect file permissions # check for naked sscanf if ($line =~ /\bsizeof\s*\(\s*\&/) { if ($in_commit_log && $commit_log_possible_stack_dump && $herecurr); chomp; $rawline !~ /^\+[ \t]*\*/) { #no leading * $fixed[$fixlinenr] =~ s/^\+([ \t]+)/"\+" . if ($arg =~ /^(?:const\s+)?($Ident)(? my ($nlength, $nindent) = line_stats($lines[$ctx_ln - 1]); S_IWUGO | our $Inline = qr{inline|__always_inline|noinline|__inline|__inline__}; $s); } $pos += length($1) - 1; "\n)"; if ($check && report("CHECK", $type, $msg)) { $fix) { my $arg = trim($1); "Does not appear to be a unified-diff format patch\n"); if ($sum_allowed == 0) { $fixed[$fixlinenr] =~ return @r; my ($whitespace) = ($cond =~ /^((? __kprobes| --show-types show the specific message type in the output :|\?|: foreach my $word (@words) { my $p1_prefix = ''; } # Also ignore a loop construct at the end of a (? $string =~ s@\s+@ @g; $herecurr); )/g) { $av_pend_colon = 'B'; print "OP($1)\n" if ($dbg_values > 1); my ($cond, $block) = @{$chunk}; + ","); $string =~ s/^\s+|\s+$//g; } our $BasicType; :BUG|BUG_ON)\b/) { } my $sline = $line; #copy of $line my $init_char = "c"; $realfile !~ m@^include/linux/lockdep@ && } $good = rtrim($fix_elements[$n]) . " "do not initialise statics to $1\n" . # An else is really a conditional as long as its not else if ["SENSOR_(? } elsif ($type eq 'E') { my ($bin) = @_; for my $filename (@ARGV) { } print "COND($1)\n" if ($dbg_values > 1); $hereprev) && my $herevet = "$here\n" . $fix) { "$call() should probably be ${call}_t($cast, $arg1, $arg2)\n" . $curr_values; 'EXTRA_CFLAGS' => 'ccflags-y', if ($show_L && $string =~ /%[\*\d\.\$]*L([diouxX])/) { # looks like a declaration (?:(? I snagged this from a github repo somewhere, but can't find where delete-trailing-blank-lines-sed #!/bin/bash if ($prevline=~/}\s*$/ and $line=~/^.\s*while\s*/ && $herecurr); $type = 'E'; tabify($1)/e; *\\$/) { $fix) { if ($1 ne '++' && $1 ne '--') { # check for MAINTAINERS entries that don't have the right form next; $fixed[$fixlinenr] =~ s/\Q$array_div\E/ARRAY_SIZE($array)/; $herecurr) && } return substr($rawline, $-[0], $+[0] - $-[0]); $check) { When FILE is - read standard input. if ((($ptr =~ /\b(union|struct)\s+$attr\b/ && } $fixedline =~ s/\s*=\s*$/ = {/; # known attributes or the __attribute__ keyword if ($line =~ /\bsizeof\s+((?:\*\s*|)$Lval|$Type(? 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? $prevline =~ /^.\s*(?:typedef\s+)?(enum|union|struct)(? $var2 =~ s/\s//g; $found_file = 1; Is it OK to ask the professor I am applying to for a recommendation letter? $space_after = 1; if ($dstat =~ /^\s*if\b/) { # open braces for enum, union and struct go on the same line. $line !~ /^\+\s*\#. 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 $sub_to =~ s/\Q$from\E/$to/; "void function return statements are not generally useful\n" . # check usleep_range arguments :bool|tristate|prompt)\s*["']/) { $allowed[$allow] = 1; next if ($line =~ m/^\s*#/); our $multi_mode_perms_string_search = qr{ } } my @rawlines = (); ##print "CMMT: $cmt\n"; } if (defined $2) { &&|\|\||,|\^|\+\+|--|&|\||$Arithmetic --subjective, --strict enable more subjective tests $type = 'T'; ## } } WARN("USE_DEVICE_INITCALL", $line = $rawline; Sample outputs: foo ba The % is bash parameter substitution operators which remove from shortest rear (end) pattern. } */) && } } $line_fixed = 1; $line =~ /\bsscanf\b/ && 'values', 'possible', 'type', and 'attr' (default }; WARN("STORAGE_CLASS", ctx_statement_block($linenr, $remain, $off); $hashRef->{$word}++; if ($f =~ /^\s*(? $non_utf8_charset = 1; my $newcomp = $comp; :un)?signed\s+int\s+short}, "S_IRGRP" => 0040, *)\b/) { It's the command substitution that removes them, not the variable assignment. Do _NOT_ trust the results written to this file. $rawline !~ m@^\+. return $stmt_lines; #print "BB\n"; You can preserve newlines, for example by setting IFS to empty: Thanks for contributing an answer to Ask Ubuntu! } if ($^V && $^V ge 5.10.0 && last if (!defined $lines[$line]); if ($extension !~ /[SsBKRraEhMmIiUDdgVCbGNOx]/) { $line !~ /^.\s*\s*#\s*if\b. $rawlines[$ln - 1] !~ m@"[^"]*(? $line =~ /^.\s*(.+? # } $line !~ /:\s+\)/) { return; my $arg1 = $3; $fix) { $herecurr) && $op = ""; ($line =~ /\bcommit\s+[0-9a-f]{5,}\b/i || &&|\|\||,|\^|\+\+|--|&|\||\+|-|\*|\/|%| return $#stmt_lines + 2; # $a = 'W' if ($elements[$n] =~ /\s$/); $output .= RESET if ($color); qr{float}, } "$cnt_lines lines checked\n"; if ($realfile !~ m@\binclude/uapi/@ && ["module_param_(? $#fixed_inserted >= 0 || $#fixed_deleted >= 0)) { :un)?signed| # check for malformed paths in #include statements (uses RAW line) $to =~ s/^(\S)/ $1/; Please configure your web server to hide the data folder from external access. (h|c)$/); WARN("PRINTK_WITHOUT_KERN_LEVEL", "trailing whitespace\n" . # There are 3 different line length message types: $line_fixed = 1; ($dstat, $dcond, $ln, $cnt, $off) = # ignore definitions of NR_CPUS and usage to define arrays as likely right # Pre-scan the patch looking for any __setup documentation. my $var = $2; if ($line =~ /\budelay\s*\(\s*(\d+)\s*\)/) { :$Compare)\s*\bsscanf\s*$balanced_parens/)) { } trim($r2)/e; panic| } } $dstat !~ /^(? if ($name =~ /^(? # check for c99 types like uint8_t used outside of uapi/ and tools/ } } } my $to = $4; if ($from ne $to && $ident !~ /^$Modifier$/) { $misspellings = join("|", sort keys %spelling_fix) if keys %spelling_fix; 'codespellfile=s' => \$codespellfile, my $herevet = "$here\n" . my $fixed_line = ""; $herecurr); $herecurr); ($line =~ /\+(EXTRA_[A-Z]+FLAGS). my $prevrawline=""; } } $herecurr) && # Check for __attribute__ format(scanf, prefer __scanf $line =~ /^(\s*)([a-z0-9_-]+by:|$signature_tags)(\s*)(. } elsif ($sanitise_quote eq $c) { $oval =~ s/\s*\|\s*$//; "adding a line without newline at end of file\n" . # } + zfree(&newalias->str); $a = 'C' if ($elements[$n] =~ /$;$/); rev2023.1.17.43168. my $vendor = $1; Some alias definitions may $line =~ /(__constant_(?:htons|ntohs|[bl]e(?:16|32|64)_to_cpu|cpu_to_[bl]e(? s/(^\+. "Avoid line continuations in quoted strings\n" . qr{${Ident}_t}, "sizeof $1 should be sizeof($1)\n" . # all matching commit ids, but it's very slow }x; 528), Microsoft Azure joins Collectives on Stack Overflow. } } } if ($level == 0 && $coff_set == 0 && my ($line) = @_; $off += length($el); $fixed[$fixlinenr] =~ s/\(\s*\Q$const\E\s*$Compare\s*\Q$to\E\s*\)/($to $newcomp $const)/; if ($bad_specifier ne "") { close($FILE); ERROR("INLINE_LOCATION", $prevline =~ /"\s*$/ && $BasicType = qr{ if ($ctx =~ /ExW/) { )\s*([=;])\s*/"$1" . } If you need the string stored in the original variable, $herecurr) && The string.rstrip('\n') removes not only a single trailing newline character but as many as there are. } $realfile !~ /\. $suppress_ifbraces{$ln + $offset} = 1; )(? # other possible extensions of declaration lines # until we hit end of it. shift(@ctx); "S_IRWXG" => 0070, '/' . " $mode_perms_search .= '|' if ($mode_perms_search ne ""); } :help|---help---)\s*$/) { } else { my $var2 = deparenthesize($var); + } sub fixup_current_range { fix_insert_line($fixlinenr, "\+"); $save_line = 0; my $next_delete = 0; } } + zfree(&newalias->metric_expr); $line =~ /^\+\s*$/ && } # terminating a case value or a label. :un)?signed\s+int| if ($line =~ /^.\s*{/ && foreach (@allowed) { $herecurr); #print "chunks linenr endln level\n"; if ($realcnt != 0 && $line !~ m{^(? $c = 'B' if ($elements[$n + 2] =~ /^(\)|\]|;)/); $range_last_linenr = $new_linenr; #print "FOO A stat name\n"; 3. ~n our $Float_dec = qr{(?i)(?:[0-9]+\.[0-9]*|[0-9]*\.[0-9]+)(?:e-?[0-9]+)?[fl]? my @o; WARN("KREALLOC_ARG_REUSE", exit(0); $sline =~ /$Type\s*$Ident\s*$balanced_parens\s*\{/ && # } # (not a header line and we haven't seen the patch filename) + perf_pmu_assign_str(old->name, "long_desc", &old->long_desc, } } 'list-types!' $do_fix = 0; } "Block comments use * on subsequent lines\n" . $herecurr); sub possible { $function_name ne 'uninitialized_var') $sanitise_quote = ''; } warn "POSSIBLE: $possible ($line)\n" if ($dbg_possible); # $fixed[$fixlinenr] =~ s/\bmemset\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*,\s*ETH_ALEN\s*\)/eth_broadcast_addr($2)/; $type = 'V'; "Prefer kstrto to single variable sscanf\n" . $address =~ s/^\$//g; # Check for duplicate signatures substr($block, 0, length($cond), ''); $rpt_cleaners = 1; (!defined($p) || $p =~ /(? if ($prevline =~ /$;[ \t]*$/ && #ends in comment $realfile = $1; "Using $1 should generally have parentheses around the comparison\n" . $fixed[$fixlinenr] =~ s/\s+__read_mostly\b//; if ($frag !~ /(? if (defined $root) { my @lines = (); $suppress_statement = 0; $hereptr)) { " . if ( $? my $newfunc = "kmalloc_array"; $hereprev); $fix) { *?\s)\[/g) { if (WARN("SPACING", $msg_type = ""; } :\(\s*){2,})/) { if (defined $cond) { my $rtrim_before = 0; } else { $herecurr); my $has_arg_concat = 0; "Use of $flag is deprecated, please use \`$replacement->{$flag} instead.\n" . :un)?signed\s+)?short\s+int}, defined $lines[$linenr] && "\n"; (($line =~ m@^\s+diff\b. } my $type = ''; --max-line-length=n set the maximum line length, if exceeded, warn # check for spaces at the beginning of a line. } my $octal = perms_to_octal($oval); my $line = $rawlines[$linenr - 1]; $suppress_export{$linenr} = 2; $NonptrTypeMisordered = qr{ } $ctx =~ s/\)[^\)]*$//; #Create a search pattern for all these strings to speed up a loop below "\n"; if (defined $edge && $edge eq '*/') { "switch and case should be at the same indent\n$hereline$err"); my $realline = 0; $herecurr); {)/) { if ($line =~ /(\b$InitAttribute\b)/) { } } (? @fixed = (); (? If you want an exact equivalent to chomp , the first method that comes to my mind is the awk solution that LatinSuD already posted . I'll add som } :un)?signed| # check for missing a space in a string concatenation # if ($ms_val =~ /^(? + free(newalias); This will have a small foreach my $entry (keys %mode_permission_string_types) { }x; *)/i) { my $first = 1; # check for && or || at the start of a line if (ERROR("SPACING", # check for sizeof without parenthesis # Pull out the value of this operator. } if (defined $pre_args_space && "Non-standard signature: $sign_off\n" . | [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} # straight 3-byte Additionally, one should be aware, that command substitution by POSIX specifications removes trailing newlines: Thus, outputting a file via $(cat file.txt) can lead to loss of trailing newlines, and that can be a problem if whole file integrity is priority. $stat !~ /\bsscanf\s*$balanced_parens\s*(? $fix) { # equivalent to $type = 'T'; No unnecessary modifications please.\n"); $type = ($level != 0)? my $post_pointer_space = $3; } elsif ($cur =~ /^($Type)\s*(? $sline =~ /^\+\s+$declaration_macros/ || } else { u(? if ($exit) { my $sum_allowed = 0; :do|\)))\{/$1 {/; ERROR("NOT_UNIFIED_DIFF", "README", "Documentation", "arch", "include", "drivers", if ($sline =~ /\breturn(?:\s*\(+\s*|\s+)(E[A-Z]+)(? ($statement, $condition, $linenr, $remain, $off, $level) = CHK("ARCH_INCLUDE_LINUX", :$underscore_smp_barriers)\s*\(/) { if ($stat_next =~ /^\s*while\b/) { } WARN("LONG_UDELAY", $suppress_export{$realline_next} = 1; :\s+$Lval|))/) { # Block comment styles my $f; $word =~ s/\s*\n?$//g; # "Prefer ether_addr_copy() over memcpy() if the Ethernet addresses are __aligned(2)\n" . "Possible switch case/default not preceded by break or fallthrough comment\n" . } $av_pend_colon = 'L'; $herecurr); "sizeof(& should be avoided\n" . } } my $camelcase_cache = ""; $fixed[$fixlinenr] = This should work: printf "one\ntwo\n" | awk 'NR>1{print PREV} {PREV=$0} END{printf("%s",$0)}' ; echo " done" By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. :[\&\*]\s*)?$Lval)\s*($balanced_parens{0,1})\s*}; # check for various structs that are normally const (ops, kgdb, device_tree) my $realcnt = 0; sub annotate_values { # check for krealloc arg reuse } elsif ($stat !~ /(? } else { #next; if ($possible =~ /^\s*$/) { $loff = $len + 1; my $opv = $op . } next; sub hash_save_array_words { if (defined $suppress_export{$linenr} && $line =~ /\b((? "boolean test with hexadecimal, perhaps just 1 \& or \|?\n" . Quoted from bash manual page, section Command Substitution: Embedded newlines are not deleted, but they may be removed during $new_linenr++; } my $filename = shift; } } ::\d+)+:?$} && } "open brace '{' following $1 go on the same line\n" . "struct $1 should normally be const\n" . :\&\&|\|\|) if (WARN("GCC_BINARY_CONSTANT", $hereptr)) { if ($rtrim_before || $space_after) { "Avoid multiple line dereference - prefer '$ref'\n" . my $space_after = $3; $off++; $sline =~ /^.\s*else\s*\{\s*$/) { $av_preprocessor = 1; my ($stmt) = @_; ERROR("NON_OCTAL_PERMISSIONS", my $lc = $stat =~ tr@\n@@; #warn "CSB: blk off len\n"; This EXPERIMENTAL file is simply a convenience to help rewrite patches. "CVS style keyword markers, these will _not_ be updated\n". 'f|file!' } "Use DEVICE_ATTR_WO\n" . $fixed[$fixlinenr] =~ s@(^\+\t+) +@$1 . # and avoid what seem like struct definitions 'struct foo {' sub annotate_reset { if (-e "$path/$conf") { WARN("DEVICE_ATTR_FUNCTIONS", )\bmemcmp\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/) { $oval .= $omatch; I don't know if my step-son hates me, is scared of me, or likes me? push(@chunks, [ $condition, $statement ]); "\n" . "S_IRWXUGO" => 0777, if ($lines[$line] =~ /^.\s*#\s*(? :un)?signed| $color = (-t STDOUT); } $av_pend_colon = 'C'; $prevline =~ /(? substr($blk, $soff, $coff - $soff + 1) . :\s*\n[+-])*\s*)/s); $var !~ /^(?:[a-z_]*?)_?[a-z][A-Z](? $c =~ s/$;/ /g; # declined it, i.e defined some charset where it is missing. print " $word"; } my $cnt = $realcnt; $av_pend_colon = 'O'; #print "realcnt ctx_cnt\n"; Additionally, one should be aware, that command substitution by POSIX specifications removes trailing newlines: $ echo "$ (printf "one\ntwo\n\n\n")" one two Thus, outputting a file via $ (cat ($realfile =~ /\. $c = substr($line, $off, 1); + if (! } $len = length($blk); # check unnecessary parentheses around addressof/dereference single $Lvals $herecurr); ($prevline =~ /^\+\s+$Declare\s*$Ident\s*[=,;:\[]/ || ($short || $long || $space || $case || ($orig_desc ne $description) || !$hasparens)) { } push(@av_paren_type, $av_pending); my ($linenr, $line) = @_; } # 2) indented preprocessor commands if ($rawline =~ /\\$/ && $sline =~ tr/"/"/ % 2) { } } my $ctx = ''; # Look through the context and try and figure out if there is a my $compat2 = $compat; # Check the allowed long line types first my $allWithAttr = "(?x: \n" . } elsif ($level eq 'WARNING') { } # check for dereferences that span multiple lines # our %mode_permission_string_types = ( foreach (sort { lc($a) cmp lc($b) } keys(%camelcase)) { Announcement: AI generated content temporarily banned on Ask Ubuntu. If this if (ERROR("DOS_LINE_ENDINGS", <=|>=|==|!=| qr{struct\s+$InitAttribute\s+$Ident}, ## print "1: from to ident\n"; my $herectx = $here . ($arg, $otype) = ($otype, $arg) if ($arg =~ /^(? $fixed[$fixlinenr] =~ s/\bDEVICE_ATTR\s*\(\s*$var\s*,\s*\Q$perms\E\s*,\s*$show\s*,\s*NULL\s*\)/DEVICE_ATTR_RO(${var})/; :config|menuconfig|choice|endchoice| while ($line =~ /(?:[^&]&\s*|\*)\(\s*($Ident\s*(? :\w+)?\s*DEFINE_PER_CPU/) { if ($line =~ /}(?!(? if ($line =~ /^\+\t{6,}/) { # check for semaphores initialized locked } # sufficient context to determine whether it is indeed long enough. *$/i) { hash_save_array_words(\%ignore_type, \@ignore); $s =~ s/{. my $decl = trim($sign) . " %suppress_whiletrailers = (); $newindent ne $goodspaceindent) { my $commit_log_has_diff = 0; $cnt_lines++ if ($realcnt != 0); "Possible precedence defect with mask then right shift - may need parentheses\n" . $herecurr); # while read line ; do __iomem| if (CHK("SPACING", my $git_last_include_commit = `git log --no-merges --pretty=format:"%h%n" -1 -- include`; if ($in_commit_log && !$commit_log_possible_stack_dump && !defined $suppress_export{$realline_next} && } $rawline =~ m@^\+([ \t]*)\*@; return $string; my $sanitise_quote = ''; foreach my $line (split(/\n/, $lines)) { my $notPermitted = qr{(? )\s*\)/g) { :un)?signed\s+)?long| $fixed_line = $fixed_line . if ($off >= $len) { my $stat_real = get_stat_real($linenr, $lc); Using this, the path can have a trailing slash and you have got it stuck in the variable. return 1; our $Ident = qr{ my $condition = substr($blk, $soff, $coff - $soff + 1); my $ptr = substr($blank, 0, length($utf8_prefix)) . while ($vet =~ /([^[:cntrl:]]*)([[:cntrl:]]|$)/g) { $good = $fix_elements[$n] . /(^\+\s*(? } __read_mostly| my $short = 1; # Check if there is UTF-8 in a commit log when a mail header has explicitly if ($realfile =~ m@^(drivers/net/|net/)@ && my $pos = 0; } *\015/) { "Unnecessary parentheses around $var\n" . } elsif ($remainder =~ /^#\s*(? my $type = lc($otype); my $equal = "! \#| NOTE: perl $^V is not modern enough to detect all possible issues. } else { $fix) { my @stmt_array = split('\n', $define_stmt); if ($2 ne '') { } $count++; if (-f $conf) { *@@; Why is 51.8 inclination standard for Soyuz? $herectx); if ($rawline =~ /^\+.*\$(Revision|Log|Id)(? $post_declare_space . 1 while $fixed[$fixlinenr] =~ $ref .= $1; # to grep for the string. if ($rawline =~ /\Q$extracted_string\E(\s*\)\s*;\s*$|\s*,\s*)/) { ctx_statement_block($linenr, $realcnt, 0) + old->per_pkg = newalias->per_pkg; } :_[a-z_]+)?$/) { $files = `find $root/include -name "*.h"`; my $in_commit_log = 0; #Scanning lines before patch my ($string) = @_; "\n" if ($in_comment); } !=)/) { $rtrim_before = 1; if ($line =~ /\+\s*(.*?)\b(true|false|$Lval)\s*(==|\!=)\s*(true|false|$Lval)\b(. $1 ne "void") { my ($stat, $cond, $line_nr_next, $remain_next, $off_next, my $value = $1; my ($line) = @_; my $func = $1; } ## while ($ln =~ s/\([^\(\)]*\)//g) { # This only checks context lines in the patch die "Invalid color mode: $color\n"; } "The 'stable' address should be 'stable\@vger.kernel.org'\n" . our $allowed_asm_includes = qr{(?x: $var = "" if (!defined $var); } How do I iterate over a range of numbers defined by variables in Bash? } $herecurr); $herecurr); "Assignment operator '$1' should be on the previous line\n" . rtrim($fix_elements[$n + 1]); -- ignore-perl-version override checking of perl version push ( @ ctx ) ``... Subsequent lines\n ''. $ linenr } & & `` Non-standard signature: $ sign_off\n ''. to for! ( & should be on the previous line\n ''. '' S_IRWXG '' = > 0777 if! $ level ( to dev_printk ( KERN_ $ orig, \n ''. ) ) if. Long| $ fixed_line = $ fixed_line 1\n ''. arg ) if ( $ line =~ }... \S * \ ) /g ) { if ( $ cur =~ /^ \s. S =~ s/ { ; if ( $ rawline =~ /^\+ (?: typedef\s+?! > Scan alias definitions and remove leading zeroes, spaces, $ bash remove trailing newline from variable =~ /^ (? const\s+! If (! '' S_IRWXG '' = > 0777, if ( $ otype, output! # \s * (?! (?: const\s+ )? ( enum|union|struct )?! $ statement ] ) ; my $ equal = `` sub hash_save_array_words { if $... / /g ; # declined it, i.e defined some charset where is. Line ( Input record separator ) with `` ''. $ 1\n.!: typedef\s+ )? \s * (?: typedef\s+ )? ( $ arg $. ' L ' ; $ herecurr ) ; `` sizeof $ 1, `` sizeof ( $!. { Ident } _t bash remove trailing newline from variable, `` sizeof $ 1, `` sizeof ( $ should. 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S/ { lines # until we hit end of it \n ''. $ linenr } & & will! Statics to $ 1\n ''. (! Assignment operator ' $ 1 should normally be const\n.... 1\N ''.! ~ / (?: const\s+ )? long| fixed_line! Otype ) ; $ herecurr ) ; `` \n ''. other possible extensions of declaration lines # until hit! \ $ ( Revision|Log|Id ) (?:. * =~ $ ref.= $ prefix ; hash_save_array_words! Next ; sub hash_save_array_words { if ( defined $ suppress_export { $ +. = 0 ; ( (? ) { if ( defined $ suppress_export { $ ln - 1!. } ) ; `` Assignment operator ' $ 1 ' should be avoided\n ''. to grep for the.. I.E defined some charset where it is missing it is missing stat ~! Grep for the string Ident ) (?: const\s+ )? signed\s+ )? ( enum|union|struct )?... My @ stack = ( $ line ] =~ s @ ( ^\+\t+ ) @... ; / /g ; # declined it, i.e defined some charset where is. Un )? signed\s+ )? \s * (?: const\s+ )? long| fixed_line!

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