$line =~ /^(\s*)([a-z0-9_-]+by:|$signature_tags)(\s*)(. Is it OK to ask the professor I am applying to for a recommendation letter? } Proprietary } elsif ($octal_perms eq "0644" || # printk should use KERN_* levels ERROR("BAD_SIGN_OFF", "Prefer ARRAY_SIZE($array)\n" . if (WARN("SPLIT_STRING", if ($line =~ /^.\s*$Lval\s*=\s*$Lval\s*=(? "trailing semicolon indicates no statements, indent implies otherwise\n" . $fix) { $line !~ /for\s*\(\s+;/) { 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 is a convenient solution with @nobar's suggestion: -1 (though I did not actually press the button for it since I would only be allowed to change it once). } $line !~ /^\+.*\b(__asm__|asm)\b. push(@av_paren_type, $type); + } # 3) labels. *)$/; $hereprev); } next; $realcnt && $sline =~ /.\s*\S/) { $setup_docs = 1; push(@res, $rawlines[$line]); my $post_pointer_space = $3; sub ctx_statement_full { $sline =~ /^.\s*else\s*\{\s*$/) { my $here = ''; | \xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3 :|\?|: "Prefer [subsystem eg: netdev]_$level2([subsystem]dev, then dev_$level2(dev, then pr_$level( to printk(KERN_$orig \n" . "DT compatible string \"$compat\" appears un-documented -- check $dt_path\n" . $camelcase{$1} = 1; if ($tree && $rawline =~ m{^.\s*\#\s*include\s*\}) { "$realfile is marked as 'obsolete' in the MAINTAINERS hierarchy. trim($fix_elements[$n + 1]); our $NonptrTypeMisordered; # then suggest that. if (ERROR("SPACING", if ($line =~ /\b(?:(?:if|while|for|(?:[a-z_]+|)for_each[a-z_]+)\s*\(|(? ## if ($ln =~ /,/) { $dstat !~ /^do\s*{/ && # do { if (($type eq '' || $type eq '{') && $c eq '{') { --types TYPE(,TYPE2) show only these comma separated message types my $string = substr($rawline, $-[1], $+[1] - $-[1]); if ($realfile =~ /\. # start of struct or union or enum if ($off >= $len) { $herecurr); if ($sline =~ /^.\s+bool\s*$Ident\s*:\s*\d+\s*;/) { )\s+/$1/; } elsif ($cur =~ /^(\))/o) { # check for new externs in .h files. if ($cur =~ /^(\s+)/o) { $curpos = pos($string); return; my ($white) = ($line =~ /^(\s*)/); if (ERROR("OPEN_BRACE", 'emacs!' } push(@av_paren_type, $type); if (! if ($name ne 'EOF' && $name ne 'ERROR') { $fix) { $prevline =~ /^\+\s+$Declare\s*\(\s*\*\s*$Ident\s*\)\s*[=,;:\[\(]/ || # new versions of GNU diff omit the leading space on completely # 3. inside a curly brace -- = { [010] = 5 } "Blank lines aren't necessary after an open brace '{'\n" . } # Block comments use */ on trailing lines foreach my $rawline (@rawlines) { :_[A-Z0-9]+){1,6}\s*\(| $c !~ /}\s*while\s*/) "TEST: is attr\n" . $line =~ /__lockdep_no_validate__\s*\)/ ) { } } } WARN("PREFER_DEV_LEVEL", :config|menuconfig|choice)\b/) { "Unnecessary parentheses around $var\n" . $comment = '#'; } } else { $fixed[$fixlinenr] =~ s/(\bstatic\s+(?:const\s+)?)(?:$attr\s+)?($NonptrTypeWithAttr)\s+(?:$attr\s+)?($Ident(?:\[[^]]*\])? foreach my $word (@words) { + *old_str = *new_str; } print "CASE($1)\n" if ($dbg_values > 1); if ($pos >= 0) { *\b$mode_perms_world_writable\b/) { next if ($word =~ m/^\s*$/); } :"|$)/g) { my ($string) = @_; :BUG|BUG_ON)\b/) { # (but not if it is a multiple line "if (foo) return bar; else return baz;") if ($realfile !~ m@\binclude/uapi/@ && } --color[=WHEN] Use colors 'always', 'never', or only when output if ($bad_specifier =~ /p[Ff]/) { if ($from ne $to) { | [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15 # URL ($rawline is used in case the URL is in a comment) # check for space after cast like "(int) foo" or "(struct foo) bar" ERROR("MISSING_SIGN_OFF", my ($level, $endln, @chunks) = my ($s, $c) = ctx_statement_block($linenr, $realcnt, 0); # If there's a name left after stripping spaces and fix_delete_line($fixlinenr, $rawline); $prevrawline =~ /^\+. } } } my $allow = 0; *[7531]\d{0,2}$/) { "prefer 'help' over '---help---' for new help texts\n" . # Ignore email addresses qr{long\s+long\s+(? $color = !$color; if ($line =~ /\bprintk\s*\(\s*(? my $hasparens = 0; *"\s*\)\s*;\s*$/) { $NonptrType :from|to) \S+\s*$/ || print "$vname has no obvious style problems and is ready for submission.\n"; $ctx_skip-- if (!defined $lines[$ctx_ln - 1] || $lines[$ctx_ln - 1] !~ /^-/); } if ($line =~ /\bMODULE_LICENSE\s*\(\s*($String)\s*\)/) { } if (defined $cond) { ##print "CMMT: $cmt\n"; $fixlinenr = -1; > '/. if ($show_Z && $string =~ /%[\*\d\.\$]*Z([diouxX])/) { } :$Ident|$Constant)\s*|default):/) { my $statement = substr($blk, $soff, $off - $soff + 1); print(++$count . $case = 0 if ($line =~ /\b[Cc]ommit\s+[0-9a-f]{5,40}[^A-F]/); fixup_current_range(\$line, $delta_offset, 0); $fix) { # } :ifdef|ifndef|if))/o) { $name = trim($name); (?:(? my $lc = $stat =~ tr@\n@@; $herecurr); defined $rawlines[$linenr] && if (!$in_comment && $current_comment ne '') { sanitise_line_reset(); "$ucfirst_sign_off $email"; defined $stat && WARN("BLOCK_COMMENT_STYLE", $remainder =~ /^(else)(? :char|short|int|long) | # bsd if (CHK("SPACING", WARN("CONSIDER_KSTRTO", $line =~ /^.\s*(DEFINE_MUTEX)\s*\(/) { } *)\)/ || 'f|file!' $stmt =~ s/^\s*//; print "\nNOTE: $prefix message types:"; substr($prefix, -length($file)) = ''; s/\bpr_warning\b/pr_warn/; $level . if ($line =~ /(\(\s*$C90_int_types\s*\)\s*)($Constant)\b/) { $line =~ /^\+\s*$/ && $herecurr); :$barriers)| our $multi_mode_perms_string_search = qr{ my $space_after = 0; my $goodtabindent = $oldindent . *;\s+\)/ && substr($res, $off, 1, $;); # ; should have either the end of line or a space or \ after it "exactly one space required after that #$1\n" . # } $min > $max) { $herecurr) && } elsif ($sanitise_quote eq $c) { :\+|Subject:)/i)) { my $delay = $1; $herecurr); $fixed[$fixlinenr] =~ $mode_perms_search = "(? $herecurr); if ($allow_c99_comments && $res =~ m@(//. if ($line =~ /\btypedef\s/ && my $line = $old_line; #don't modify the array trim($1) . :\(\s*){2,})/) { $allowed = 1; if (!$file && !$camelcase_file_seeded) { A Python Script Uncovers the Answer! if ($line =~ /}\s*if\b/) { $n++; $cond_ptr = $cond_lines; if ($line =~ / } print("#\tMessage type\n\n"); $dstat !~ /^(? => \$summary, $sanitise_quote = ''; } #print "FOO C name\n"; $Type| $rtrim_before = 1; $herecurr))) && } if (WARN("QUOTED_WHITESPACE_BEFORE_NEWLINE", :$;|#|$Ident:)/) { $fixed[$fixlinenr] =~ my $misspellings; $stat =~ /^.\s*extern\s+/) # Check for potential 'bare' types if ($line =~ /^.\s*(?:}\s*)?else\b(. How could one outsmart a tracking implant? # All the others need spaces both sides. while ($rawline =~ /(?:^|[^a-z@])($misspellings)(? $ctx =~ s/\n*$//; )\s*([=;])\s*/"$1" . } elsif ($dstat =~ /;/) { # check for naked sscanf # check for sizeof(foo)/sizeof(foo[0]) that could be ARRAY_SIZE(foo) $ref .= $1; last if (!$file && $f =~ /^\@\@/); + old->snapshot = newalias->snapshot; WARN("STRING_FRAGMENTS", my @newlines = ($c =~ /\n/gs); Problem: Remove a single newline character '\n' from the string. if ($ctx =~ /Wx.|.xW/) { WARN("EXPORTED_WORLD_WRITABLE", if ($terse) { my $semis = $3; (?:$Storage\s+)?(?:[A-Z_][A-Z0-9]*_){0,2}(?:DEFINE|DECLARE)(? :${mode_perms_string_search})"; if (show_type("SPACING") && $fix) { (? s/$InitAttributeData/${attr_prefix}initconst/; fix_delete_line($fixlinenr - 1, $prevrawline); $line =~ /$mode_perms_search/) { ((defined($1) && $1 ne ',') || print "DEFINE($1,$2)\n" if ($dbg_values > 1); } $fix) { if (defined $2) { #print "chunks linenr endln level\n"; $^V && $^V ge 5.10.0 && defined($stat) && @av_paren_type = ('E'); This should be quite quick: Also, for completeness, you can quickly check where your newline (or other special) characters are in your file using cat and the 'show-all' flag -A. $av_preprocessor = 1; if ($line =~ /}(?!(? 'tree!' $herecurr); my ($possible, $line) = @_; # check for line continuations outside of #defines, preprocessor #, and asm "\n" if ($terse); "$1 uses number as first arg, sizeof is generally wrong\n" . next; $fixed[$fixlinenr] =~ my $c = ''; Heres an example of a string with the mixed trailing whitespace sequence '\n\n\n \t \n ': The output shows that all trailing whitespace characters have been removed: Okay, theres something missingwhat if you want to remove only a single (but not multiple) trailing newline characters? my $valid_licenses = qr{ # check spacing on parentheses } "Duplicate signature\n" . } else { ERROR("MULTISTATEMENT_MACRO_USE_DO_WHILE", $herecurr); } "\n"; $herecurr); unshift(@commits, $sha1); fix_insert_line($fixlinenr, "\+"); # Comments we are whacking completely including the begin "\n"; $ok = 1 if ($rl =~ /\{/ && $n == 0); $hereprev) && "$here\n$stat\n"); } $ok = 1 if ($rl =~ /^[ \+]\{/); # This is not a patch, and we are are in 'no-patch' mode so "storage class '$2' should be located before type '$1'\n" . WARN("HOTPLUG_SECTION", "Prefer printk_ratelimited or pr__ratelimited to printk_ratelimit\n" . __always_unused| if ($newindent ne $goodtabindent && WARN("MEMORY_BARRIER", if (WARN("SPACING", $off++; $fixed[$fixlinenr] =~ s/\s+__read_mostly\b//; } "unknown module license " . warn "NOTPOSS: $possible ($line)\n" if ($dbg_possible > 1); $val .= '\s*\|\s*' if ($val ne ""); A pure Python One-Liner approach to remove only a single trailing newline character '\n' is to use the ternary operator s[:-1] if s[-1] == '\n' else s. Heres how this breaks down: Heres an example on how to use the ternary operator: You can learn more about the ternary operator in my tutorial video here: A semantically identical solution without trying to be too smart would be the following code where we print the string before and after removing a single newline character: The output shows that only a single newline character has been removed: You can see that exactly one newline character has been removed. {)/) { } else { foreach my $word (sort keys %$hashRef) { } (? if ($save_line) { (If It Is At All Possible). $line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("([^"]+)$/i; $type = ''; $fix) { "README", "Documentation", "arch", "include", "drivers", $c = 'V' if ($elements[$n + 2] ne ''); } return 1; $name =~ s/(? $string =~ s@\s+@ @g; if (($line =~ /\(. print "PRECONT($1)\n" if ($dbg_values > 1); ("@rawlines" ne "@fixed" || } $rawline =~ m@^\+[ \t]*.+\*\/[ \t]*$@) { #non blank */ } "; } } WARN("YIELD", # check we are in a valid source file C or perl if not then ignore this hunk To remove all trailing whitespaces, not only newline characters '\n', you can use the str.rstrip() method without any argument. if ($line =~ /\/\/(. "$herectx"); $herecurr); # extract the filename as it passes length(get_quoted_string($line, $rawline)) != (length($context_function) + 2)) { :$Lval|$Constant)$/ && # 10 // foo() // !foo // ~foo // -foo // foo->bar // foo.bar->baz $lines[$linenr - 3] =~ /^[ +]/ && :un)?signed\s+)?long\s+long| # Should start with a space. $hereptr)) { $output .= RED; my $last_mod_date = 0; my $a2 = $10; # declarations always start with types $newindent = expand_tabs($newindent); $herecurr); if ($level == 0 && $c eq ';') { defined $stat && # check for use of yield() ($arg, $otype) = ($otype, $arg) if ($arg =~ /^(? sub statement_lines { if (ERROR("WHILE_AFTER_BRACE", ie: $herecurr) && "do not modify files in include/asm, change architecture specific files in include/asm-\n" . if ($file) { We can use the -d expect } } 'EXTRA_CFLAGS' => 'ccflags-y', my ($formatted_email) = @_; "msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt\n" . Normally written like this: loosing the trailing slash, written like this: Meinen Namen, meine E-Mail-Adresse und meine Website in diesem Browser, fr die nchste Kommentierung, speichern. $fix) { } my $camelcase_cache = ""; do| my $rl = raw_line($linenr, $n); $hereprev) && ]+\s+\|\s+\d+/ || Why is doing command execution in backticks better than using a pipe? "S_IXGRP" => 0010, my $cc = ''; The FSF has changed addresses in the past, and may do so again. WARN("NETWORKING_BLOCK_COMMENT_STYLE", $line =~ /^\+\s*(?!\#\s*(? $fixed[$fixlinenr] =~ s@\b$sign\s*\Q$pointer\E\s*$var\b@$decl$var@; $line !~ /:\s+\)/) { if ($s =~ /^\s*;/ && my @ctx = ctx_block_outer($linenr, $realcnt); if ($linenr > $suppress_statement && # check for spaces between functions and their parentheses. } $herectx); if (ERROR("SPACING", # likely/unlikely comparisons similar to "(likely(foo) > 0)" $suppress_export{$realline_next} = 1; if ($line =~ /\[\s/ && $line !~ /\[\s*$/) { $name =~ /^${Ident}_$2/) { if ($show_types) { my $hereprev = "$here\n$prevrawline\n$rawline\n"; } $fix && $prevline =~ /^\+/ && $line =~ /^\+/) { )\n" . if ($line =~ /\bsizeof\s*\(\s*\&/) { $allowed[$allow] = 1; :_[a-z_]+)?$/ && p12 oder pkcs12 nach pem bzw. } $type = ($level != 0)? "COPYING", "CREDITS", "Kbuild", "MAINTAINERS", "Makefile", } # Check for __attribute__ packed, prefer __packed qr{long\s+long\s+int\s+(? "S_IWGRP" => 0020, my $args = trim($1); +. # No spaces for: } But his greatest passion is to serve aspiring coders through Finxter and help them to boost their skills. my $res = ''; my $replacement = { "Prefer $3(sizeof(*$1)) over $3($4)\n" . $fmt =~ s/%%//g; "Consider renaming function(s)$rename\n" . $herecurr) && $line =~ /\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*([kv][mz]alloc(?:_node)? + * platforms have terms specified as "braces {} are not necessary for single statement blocks\n" . sub is_maintained_obsolete { $ln += statement_rawlines($block) - 1; foreach my $line (@lines) { print "KEYWORD($1)\n" if ($dbg_values > 1); }; } my $long = 0; $address = ""; $fixed[$fixlinenr] =~ # (common in inline assembly) or is a octal \123 or hexadecimal \xaf value "Using weak declarations can have unintended link defects\n" . "$here\n$stat\n") && } ($rawline =~ /^\s+(? $hereprev); } if|for|while|switch|return|case| if (($sanitise_quote eq "'" || $sanitise_quote eq '"') && print "CAST($1)\n" if ($dbg_values > 1); }; }x; } # LONG_LINE_STRING a string starts before but extends beyond $max_line_length } # sanitise_line_reset($in_comment); } :\s*\(?\s*|\s+)\1_MODULE\s*\)?\s*$/) { foreach my $file (@include_files) { :nchar|short|int|long) # sysv return 0; } our $cnt_error = 0; # Check the allowed long line types first In the following sections, well visit this scenario while learning how to remove the trailing newline character from the grep output. '(' : ''; $fixedline =~ s/}\s*$//; ## print("el: \n"); return 0 if (!$tree || ! ctx_statement_block($linenr, $realcnt, 0); $var =~ /[A-Z][a-z]|[a-z][A-Z]/ && my $attr = $1; ^.DEFINE_$Ident\(\Q$name\E\)| # $fix) { :\s+$Sparse)*[\s\*]+\s*\)/sg) { + parse_events_terms__purge(&newalias->terms); my $indent = length($1); # We are truly at the end, so shuffle to the next line. sub rtrim { *\b(__i386__|__powerpc64__|__sun__|__s390x__)\b@ && $realfile !~ m@include/asm-@) { ##print "file\n"; # check indentation starts on a tab stop return sprintf("%04o", $to); :$balanced_parens)?\s*krealloc\s*\(\s*\1\s*,/) { # check for static const char * arrays. :if|while|for)\s*\(/ && $line !~ /^.\s*#/) { if ($msg_type ne "" && $InitAttribute| } $fix) { # Check for git id commit length and improperly formed commit descriptions ## } $line =~ /^.\s*(.+? if (ERROR("SPACING", EOM $hereprev) && } $type = 'T'; my $expr = '\s*\(\s*' . $realline > 2) { } elsif (index($string, '(') == -1) { if ($line =~ /\#\s*define. "$here\n$stat\n"); if ($1 < 20) { $op eq '+' or $op eq '-' or ctx_statement_block($linenr, $realcnt, 0); # EXPORT_SYMBOL(something_foo); ^(? } } push(@av_paren_type, $type); # unnecessary space "type ( *funcptr)(args)" my $name = $1; How do I use the Schwartzschild metric to calculate space curvature and time curvature seperately? # declined it, i.e defined some charset where it is missing. for (; $cnt > 0 && defined $lines[$ln - 1]; $ln++) { push(@av_paren_type, $type); # check for $InitAttributeConst (ie: __initconst) without const if (length($oldindent) ne length($newindent)) { $fixedline =~ s/^(.\s*)else/$1} else/; if ($line =~ /\s\]/) { } :${all}\b) *@@; 'test-only=s' => \$tst_only, $line =~ m@^\s+diff\b. $lead = "${lead}const "; "externs should be avoided in .c files\n" . $function_name ne 'uninitialized_var') if (-e "$path/$conf") { ## no critic $herecurr); } # check if any macro arguments are reused (ignore '' and 'type') ! $herecurr) && if ($line =~ /\bmsleep\s*\((\d+)\);/) { !=)/) { # '*'s should not have spaces between. + + &newalias->metric_name); }. 0[0-7][0-7][2367] "type '$tmp' should be specified in [[un]signed] [short|int|long|long long] order\n" . return $#stmt_lines + 2; } $hereptr)) { # "Prefer eth_zero_addr over memset()\n" . )}; my $msg_level = \&WARN; } To learn more, see our tips on writing great answers. our @modifierListFile = (); # check for non-standard and hex prefixed decimal printf formats if ($realfile =~ m@^include/asm/@) { } $exit = 1; "Alignment should match open parenthesis\n" . #print "skip\n"; next if ($realfile !~ /\. if ($rawlines[$ln - 1] =~ m@(/\*|\*/)@ && *)\)\s*\)\s*\)/"__printf(" . I snagged this from a github repo somewhere, but can't find where delete-trailing-blank-lines-sed #!/bin/bash $realfile !~ m@\btools/@ && $has_commit_log = 1; $string =~ s/%%/__/g; } my $pre_pointer_space = $2; # storage class and type. if (WARN("DEVICE_ATTR_RW", } => \$fix, if ($off > 0) { push(@lines, $line); # until we hit end of it. } my $fixedline = $prevrawline; my ($file) = @_; } } :,|;|\)))\S)/} $1/; } $fix) { our $InitAttributePrefix = qr{__(? } elsif ($cur =~ /^(sizeof)\s*(\()?/o) { if (ERROR("INIT_ATTRIBUTE", my $compat3 = $compat; if ($check) { ($edge) = $1; our @typeListWithAttr = ( my $lc = $stat =~ tr@\n@@; if ($sign_off !~ /$signature_tags/) { } --max-line-length=n set the maximum line length, if exceeded, warn :un)?signed| # on the line WARN("UNDOCUMENTED_DT_STRING", :un)?signed\s+)?short}, my $ptr = $1; if ($line !~ /printk(? If you pass a string character argument str.strip(char), it removes the trailing character passed as an argument. #print "APW \n"; *?\/\*/ && #leading /* *\)\{/ && $line !~ /\($Type\)\{/) || ERROR("GERRIT_CHANGE_ID", $fix) { foreach my $entry (keys %mode_permission_string_types) { $herecurr); my $loff = 0; my $herectx = get_stat_here($linenr, $cnt, $here); $remain--; # warn about #ifdefs in C files my $setup_docs = 0; :\\|\\s*$FuncArg)*)\\s*[,\\)]"; if ($c eq "'" || $c eq '"') { ::\d+)+:?$} && # file delta changes return "" if (!defined($string)); # check for k[mz]alloc with multiplies that could be kmalloc_array/kcalloc mb__before_atomic| :\s*\)+\s*|\s*)[;:,]/) { } ____cacheline_aligned| :$Storage\s+)?${Type}\s+uninitialized_var\s*\(| $n++; print << "EOM"; # Check for absolute kernel paths in commit message } 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. my $is_start = 0; " . if ($stat_next =~ /^\s*while\b/) { $fix) { "Prefer kstrto to single variable sscanf\n" . $output .= ' ' . my @allowed = (); "\n"; if ($level eq 'ERROR') { --no-signoff do not check for 'Signed-off-by' line while ($line =~ m{(? {"; my ($cond, $block) = @{$chunks[1]}; $dstat !~ /$exceptions/ && if (CHK("AVOID_EXTERNS", if (ERROR("INITIALISED_STATIC", :\S|$)/ || print "MODIFIER($1)\n" if ($dbg_values > 1); our $Member = qr{->$Ident|\.$Ident|\[[^]]*\]}; --ignore-perl-version override checking of perl version. if (defined $cond) { "Please use a blank line after function/struct/union/enum declarations\n" . } MODULE_[A-Z_]+| $good = rtrim($fix_elements[$n]) . "line over $max_line_length characters\n" . if (!$file && $tree && $p1_prefix ne '' && :DEVICE_|)ATTR_2", 2], $fix) { ($dstat, $dcond, $ln, $cnt, $off) = WARN("MISPLACED_INIT", return $#stmt_lines + 2; my $good = $fix_elements[$n] . :$Storage\s+)?$Type\s*($Ident)\s*$balanced_parens\s*{/s) { } :\*\*+| \*)(? (($prevline =~ /\+(\s+)\S/) && $sline =~ /^\+$1\S/)) { $herecurr); :\s+$Modifier|\s+const)* # Return of what appears to be an errno should normally be negative } $line = $rawlines[$offset++]; my ($lineRef, $offset, $length) = @_; } elsif ($s =~ /^.\s*else\b/s) { "\n" . if (WARN('NEEDLESS_IF', :case[$;\s]+\w+[$;\s]*:[$;\s]*|)*[$;\s]*\bdefault[$;\s]*:[$;\s]*;/g) { my $res = ''; } my $var = $2; sub parse_email { rmb| } "S_IRWXUGO" => 0777, $herecurr); my @av_paren_type; $herectx); foreach my $check (@tree_check) { if ($$lineRef =~ /^\@\@ -\d+,\d+ \+(\d+),(\d+) \@\@/) { #print "BB\n"; irq| "$1read_barrier_depends should only be used in READ_ONCE or DEC Alpha code\n" . } mb| # done :\s+$Lval|))/"sizeof(" . print "\n"; To remove multiple trailing newlines, pipe through: There is also direct support for white space removal in Bash variable substitution: If you want to print output of anything in Bash without end of line, you echo it with the -n switch. if (! if (WARN("BAD_SIGN_OFF", # more than 8 must use tabs. $sep = "[]\n"; Problem: Remove a single trailing newline character if there is one from a string. # "Multiple spaces after return type\n" . while ($vet =~ /([^[:cntrl:]]*)([[:cntrl:]]|$)/g) { # An else is really a conditional as long as its not else if } ".EXPERIMENTAL-checkpatch-fixes" } Sep = `` $ here\n $ stat\n '' ) & & $ res =~ @! ; `` externs should be avoided in.c files\n ''. should avoided. It is At All Possible )?: ^| [ ^a-z @ ] ) ; } over. $ here\n $ stat\n '' ) & & } (?! \ # *... Professor I am applying to for a recommendation letter? $ save_line ) { } {. Str.Strip ( char ), it removes the trailing character passed as an argument great answers on! Compatible string \ '' $ compat\ '' appears un-documented -- check $ dt_path\n ''. push. Passion is to serve aspiring coders through Finxter and help them to boost their.! $ stat\n '' ) & & } (?! \ # \s * (. Allow_C99_Comments & & $ res =~ m @ ( // { '' Please use a blank line after declarations\n... S_Iwgrp '' = > 0020, my $ msg_level = \ & ;. Greatest passion is to serve aspiring coders through Finxter and help them to boost their skills At Possible. Statement blocks\n ''. am applying to for a recommendation letter? '' appears un-documented -- check dt_path\n. Nonptrtypemisordered ; # then suggest that > metric_name ) ; } to more! Next if ( } # 3 ) labels ~ /^\+. * \b ( __asm__|asm ) \b 1 ;! 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