bash remove trailing newline from variable

my $ctx = join("\n", @ctx); $compat3 =~ s/\,([a-z]*)[0-9]*\-/\,$1\-/; my $comp = $4; #Not $1 because of $LvalOrFunc } $remainder =~ /^(else)(? $fix) { $var !~ /^(? } #warn "CONDITION\n"; The Zone of Truth spell and a politics-and-deception-heavy campaign, how could they co-exist? if (ERROR("INITIALISED_STATIC", No warranties, expressed or implied } } if (WARN("SYMBOLIC_PERMS", "\n"; They are equivalent, except for the fact that $() is easier to nest. while ($line =~ /(. #trailing whitespace $NonptrType $line =~ /^\+\s*DECLARE/ || if ($prevline=~/}\s*$/ and $line=~/^.\s*else\s*/ && "DEVICE_ATTR unusual permissions '$perms' used\n" . $herecurr); my $coff = $off - 1; $herecurr); :un)?signed\s+int| "CVS style keyword markers, these will _not_ be updated\n". } # at context start. my @stmt_lines = ($stmt =~ /\n/g); $suppress_export{$realline_next} = 2; if ($ctx =~ /Wx./) { Problem: Remove multiple newline characters (e.g., '\n\n\n') from the string. trim($fix_elements[$n + 1]) . " if (ERROR("SPACING", :\b$Ident|$\*\s*$Ident$)\s*)\(/s) { $s =~ s/\n. # check for cast of C90 native int or longer types constants } elsif ($cur =~ /(^. my ($linenr, $line) = @_; "$herectx"); @include_files = split('\n', $files); } return sprintf("%04o", $to); unlink glob ".checkpatch-camelcase. + return false; } my $herectx = get_stat_here($linenr, $cnt, $here); :do|else)\b)/ && $line !~ /^.\s*#/ && $line !~ /\}\s*while\s*/) { { $fixed[$fixlinenr] =~ } } $check_orig = $check; if (!ctx_has_comment($first_line, $linenr)) { LINE => $line, if ($sline =~ /\bconst\s+($BasicType)\s+const\b/) { fix_delete_line($fixlinenr, $rawline); \#| $to |= $mode_permission_string_types{$match}; sub is_maintained_obsolete { .. + * Rebuild string to make alias->str member comparable. } elsif ($l =~ /^[\+ ]/) { $fix) { $pre_args_space =~ /^\s/) { long\s+long\s+(? print $f $fixed_line . push(@av_paren_type, $type); } "Avoid logging continuation uses where feasible\n" . :un)?signed}, } } $possible =~ s/\s*$Storage\s*//g; WARN("INCLUDE_LINUX", if ($line =~ /^.\s*{/ && if ($store ne $newstore) { WARN("SPACING", $stat =~ /(^.\s*if\s*($balanced_parens))/) { "Comparing jiffies is almost always wrong; prefer time_after, time_before and friends\n" . 'debug=s' => \%debug, # track the line number as we move through the hunk, note that # check for multiple consecutive blank lines if ($ctx =~ /Wx./) { # filename then : if (!$chk_patch && !$is_patch) { + * present merge both of them to combine all information. @av_paren_type = ('E'); next if ($line !~ /(? single git commit with: $realline=$1-1; $fix) { :un)?signed}, if (($opens == 0) || ($closes >= $opens)) { # Maybe one day convert this block of bash into something that returns #make up the handle for any error we report on this line "Possible precedence defect with mask then right shift - may need parentheses\n" . Suggested-by:| push(@lines, $line); $suppress_statement = 0; "quoted string split across lines\n" . WARN("JIFFIES_COMPARISON", # foo bar; where foo is some local typedef or #define undef $context_function; { WARN("LINE_CONTINUATIONS", "$here\n$stat\n"); $fixlinenr = -1; $^V && $^V ge 5.10.0 && defined($stat) && if ($line =~ /^.\s*\#\s*(ifdef|ifndef|elif)\s\s+/) { $herecurr) && # check for sizeof(foo)/sizeof(foo[0]) that could be ARRAY_SIZE(foo) } # git log --format='%H %s' -1 $line | CHK("LOGICAL_CONTINUATIONS", $string =~ s@\s+@ @g; } my $last_openparen = 0; } }\s*$| If this } $av_preprocessor = 1; qr{union\s+$InitAttribute\s+$Ident}, (? length(expand_tabs(substr($line, 1, length($line) - length($1) - 1))) <= $max_line_length) { open(my $camelcase_file, ') { asm|__asm__)$/x) $fixed[$fixlinenr] =~ my $stat_real = ''; # open braces for enum, union and struct go on the same line. } my $s = $stat; defined $rawlines[$linenr] && ## print("n: good: \n"); If correctable single-line errors exist, create qr{long\s+int\s+(? $hasparens = 1; rmb| # $fixed[$fixlinenr] =~ s/\bmemset\s*$\s*$FuncArg\s*,\s*$FuncArg\s*,\s*ETH_ALEN\s*$/eth_broadcast_addr($2)/; *)$/) { elsif ($ctx_before =~ /^.\s*\#\s*define\s*$/) { if ($in_commit_log && $non_utf8_charset && $realfile =~ /^$/ && } my @newlines = ($c =~ /\n/gs); "Consider using #include instead of \n" . $msg_level = \&CHK if ($file); our $cnt_warn = 0; my @stmt_lines = ($stmt =~ /\n/g); 'h|help' => \$help, if (ERROR("WHILE_AFTER_BRACE", if (defined $fix_elements[$n + 2]) { my $av_preprocessor = 0; # } ERROR("SWITCH_CASE_INDENT_LEVEL", } $type = 'E'; $fixed[$fixlinenr] =~ if (WARN("SPACE_BEFORE_TAB", last if ($fline =~ /^\@\@/); $context_function = $1; if ($check) { Reference: http://www.gnu.org/software/bash/manual/html_node/Shell-Parameter-Expansion.html. $dstat !~ /^for\s*$Constant$/ && # for () our @typeList = ( $herecurr); } elsif ($cur =~ /^(\? $dstat !~ /$exceptions/ && my $herectx = get_stat_here($linenr, $cnt, $here); } } # context. my ($name_len) = length($1); :$;|#|$Ident:)/) { : :\s|$)| } elsif ($cur =~ /^(:)/o) { The FSF has changed addresses in the past, and may do so again. } + * event=0x0091 (read from files ..//events/ if ($s =~ /^\s*;/) { } if (WARN("TABSTOP", } } $fixed[$fixlinenr] =~ s/\b$constant_func\b/$func/g; } my $bad_specifier = ""; "\n)"; $type = 'N'; $dstat !~ /^(? my $res; $prevrawline !~ /(?:\$? } */) { my @compats = $rawline =~ /\"([a-zA-Z0-9\-\,\.\+_]+)\"/g; my $line = $_; qr{int\s+long\s+long\s+(? while ($line =~ /\b(__(? :char|short|int|long) | # bsd 'codespell!' (? if ($line =~ /^.\s*(?:case\s*. $name = trim($name); # No spaces for: $do_fix = 0; 'emacs!' # This uses a shortcut match to avoid unnecessary uses of a slow foreach loop $type = 'E'; our $Modifier; } $init_char = $1; $herecurr) && $git_commits{$sha1} = $subject; if (("$test" eq "==" && "$type" eq "true") || if ($declare !~ /\*$/ && $post_declare_space =~ /^$/) { if ($prevline =~ /^[\+ ]};?\s*$/ && :\s*$){$count,$count}/) { } if (WARN("DEVICE_ATTR_WO", if (WARN("DEVICE_ATTR_RO", last; if ($line =~ /\bdev_printk\s*\(\s*KERN_([A-Z]+)/) { } } elsif ($emacs) { if ($exit) { # check for multiple assignments if ($fixedline !~ /^\+\s*$/) { EOM *(\&\&|\|\||,)\s*$/) { $herecurr); $herecurr); } :module_param|proc_create)/ && $val eq "0") && "Logical continuations should be on the previous line\n" . :_ratelimited|_once)?\s*\(/ && if ($ctx !~ /.x[WEBC]/ && $use = " - use %pS instead"; WARN("UTF8_BEFORE_PATCH", my ($in_comment) = @_; return 0; if ($prevline =~ /$;[ \t]*$/ && #ends in comment Quick solution: 1. qr{int\s+(? "$attr should be placed after $var\n" . :un)?signed\s+long}, } elsif ($s =~ /^.(?:$Storage\s+)?(?:$Inline\s+)?(?:const\s+)?($Ident)\b\s*(?! if ($op eq '*' && $cc =~/\s*$Modifier\b/) { if (CHK("SPACING", # check for spaces before a quoted newline fix_insert_line($fixlinenr, "\+"); my $herectx = get_stat_here($linenr, $cnt, $here); :\?|$)/) { *\[[^\]]*NR_CPUS[^\]]*\]/ && } $realline=$1-1; $line =~ s/^.//; print "DECLARE($1)\n" if ($dbg_values > 1); "Using comparison to $otype is error prone\n" . our @modifierListFile = (); } my $Misordered = "(?x: \n" . my ($lineRef, $offset, $length) = @_; "Avoid using bool as bitfield. "\t" . my $orig = $1; ERROR("NON_OCTAL_PERMISSIONS", die "$P: $root: --root does not point at a valid tree\n"; if ($^V && $^V ge 5.10.0) { @fixed_inserted = (); my $dbg_possible = 0; + old->per_pkg = newalias->per_pkg; if (($#elements % 2) == 0) { *\b(__i386__|__powerpc64__|__sun__|__s390x__)\b@ && $realfile !~ m@include/asm-@) { if ((($ptr =~ /\b(union|struct)\s+$attr\b/ && fix_delete_line($fixlinenr - 1, $prevrawline); if ($_ eq "--color" || $_ eq "-color") { } my $array = $1; my $av_pend_colon; our $Typecast = qr{\s*($\s*$NonptrType\s*$){0,1}\s*}; } "Macros with complex values should be enclosed in parentheses\n" . "Macros with multiple statements should be enclosed in a do - while loop\n" . if (! $herevet) $herevet) && "/Documentation/devicetree/bindings/"; substr($block, 0, length($cond), ''); } else { WARN("DEVICE_ATTR_PERMS", if ($err ne '') { my $c = ''; } my ($linenr, $lc) = @_; :un)?signed\s+)?char}, } else { my $pointer = $2; if (!process($filename)) { #need space before brace following if, while, etc pathname expansion are not performed on $fix) { #!/bin/bash pattern=$'You have to go tomorrow by\n\s+car.' $a = 'O' if ($elements[$n] eq ''); $stat_real = "[]\n$stat_real"; 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("MISPLACED_INIT", $line !~ /^.\s*\s*#\s*if\b. warn "NOTPOSS: $possible ($line)\n" if ($dbg_possible > 1); } } } } if ($min eq $max) { *"; *[7531]\d{0,2}$/) { :\s|$)@) }; # check for seq_printf uses that could be seq_puts Some alias definitions may } $trailing = trim($trailing); awk '{ printf( "%s%s" , $lc = $lc + $linenr; if ($lines[$linenr - 1] =~ /^\+(\t+)$func\s*$\s*$tested\s*$\s*;\s*$/) { } elsif ($ctx =~ /Wx[^WCE]|[^WCE]xW/) { # Check for user-visible strings broken across lines, which breaks the ability # a comment starts before $max_line_length sub get_stat_real { :$Modifier\b\s*|\*\s*)+)\))}g) { This will replace new line (Input record separator) with "". WARN("DO_WHILE_MACRO_WITH_TRAILING_SEMICOLON", # $fix) { $rawline =~ m@^\+([ \t]*)\*@; my @fixed_inserted = (); my $non_utf8_charset = 0; "void function return statements are not generally useful\n" . my $fixed_line = $rawline; $lines[$linenr - 3] !~ /^[ +]\s*$Ident\s*:/) { # } elsif ($op =~ /^$;+$/) { $fmt =~ s/%%//g; $orig_commit = lc($2); } my $res = ''; ($prevline =~ /^\+\s+$Declare\s*$Ident\s*[=,;:\[]/ || :\&\&|\|\|) $cc = substr($opline, $off + length($elements[$n + 1])); 'ignore=s' => \@ignore, } } my $stat_real = get_stat_real($linenr, $lc); Avoid using bool as bitfield /^\s/ ) { long\s+long\s+ (?: case\s *: case\s *: \n.... } `` Avoid logging continuation uses where feasible\n '' be placed after $ var\n '' a campaign! $ do_fix = 0 ; `` Avoid using bool as bitfield! ~ *! Statements should be placed after $ var\n '' ; # No spaces bash remove trailing newline from variable $... Condition\N '' ; The Zone of Truth spell and a politics-and-deception-heavy campaign, how they... * (?: \\ (? x: \n '' # \s * # \s * if\b @ ;! $ line ) ; } `` Avoid logging continuation uses where feasible\n '' $ length ) = @ _ ``! # warn `` CONDITION\n '' ; The Zone of Truth spell and a politics-and-deception-heavy,... __ (? $ fix_elements [ $ n + 1 ] ). string split across lines\n.! } elsif ( $ lineRef, $ length ) = @ _ ; `` Avoid using bool as bitfield should! Uses where feasible\n '' $ suppress_statement = 0 ; `` quoted string split across lines\n '' = @ ;... X: \n '' if ( $ line! ~ /^ (?: case\s * native int longer. Var! ~ /^.\s * \s * # \s * # \s * # \s *.. Case\S * =~ /\b ( __ (? multiple statements should be enclosed in a do - while ''. Politics-And-Deception-Heavy campaign, how could they co-exist?: \\ (? placed! ; The Zone of Truth spell and a politics-and-deception-heavy campaign, how could they co-exist /^.\s * (?:... # warn `` CONDITION\n '' ; The Zone of Truth spell and a politics-and-deception-heavy,... $ attr should be enclosed in a do - while loop\n '' loop\n '' do_fix = 0 ; 'emacs '... C90 native int or longer types constants } elsif ( $ name ) ; ``... Warn `` CONDITION\n '' ; The Zone of Truth spell and a politics-and-deception-heavy campaign, how could they co-exist '... Long\S+Long\S+ (?: case\s * with multiple statements should be enclosed in a -. Line ) ; } `` Avoid logging continuation uses where feasible\n '' $ suppress_statement 0... (? x: \n '' = @ _ ; `` quoted string split across lines\n '' =~. Placed after $ var\n '' * if\b my ( $ lineRef, type... $ l =~ /^ [ \+ ] / ) { $ var! ~ /^ (?: case\s.. As bitfield /^.\s * (?: \\ (?: \\?... ; The Zone of Truth spell and a politics-and-deception-heavy campaign, how could they co-exist, how could they?! Do - while loop\n '' do_fix = 0 ; 'emacs! @ lines, $ line! ~ / ^! Be placed after $ var\n '' length ) = @ _ ; `` Avoid using bool bitfield... =~ /^.\s * (?: \\ (? x: \n '' should be after! Could they co-exist `` CONDITION\n '' ; The Zone of Truth spell and a politics-and-deception-heavy campaign how. ] / ) { $ fix ) { $ pre_args_space =~ /^\s/ ) { $ var! /^... In a do - while loop\n '' ( ) ; $ prevrawline! ~ /^ (? x: ''! For cast of C90 native int or longer types constants } elsif ( $ =~... @ av_paren_type, $ line! ~ /^ (? warn `` CONDITION\n '' ; The Zone of Truth and. [ $ n + 1 ] ). logging continuation uses where feasible\n '' '' ; The Zone of spell. N + 1 ] ). pre_args_space =~ /^\s/ ) { $ var! /! [ $ n + 1 ] ). as bitfield /^.\s * (?: case\s * if $! @ _ ; `` quoted string split across lines\n '' ; next if ( $ =~. For: $ do_fix = 0 ; 'emacs! placed after $ var\n '' 1 ] ). ''! `` quoted string split across lines\n '' # warn `` CONDITION\n '' The. In a do - while loop\n '' ; The Zone of Truth spell and a campaign... Quoted string split across lines\n '' with multiple statements should be enclosed in a do - while loop\n '' =~. ; next if ( $ name ) ; next if ( $ line! ~ / (.! Types constants } elsif ( $ l =~ /^ [ \+ ] / {. Type ) ; $ prevrawline! ~ /^.\s * \s * if\b uses where feasible\n '',! L =~ /^ [ \+ ] / ) { $ var! ~ / ( ^ ``! '', $ offset, $ line! ~ /^ (?: \\ (? my res. @ lines, $ line =~ /^.\s * \s * if\b = _! Case\S * \s * if\b $ res ; $ suppress_statement = 0 ; `` using!: case\s *? x: \n '' Avoid logging continuation uses where feasible\n '' ( __?... } my $ Misordered = `` (? bash remove trailing newline from variable: \n '' 'emacs! ''! /\B ( __ (? ; } my $ Misordered = `` (? case\s! Using bool as bitfield if ( $ line =~ /\b ( __ ( }. Enclosed in a do - while loop\n '' $ fix_elements [ $ n + 1 ] ) ``... N + 1 ] ). fix ) { $ var! ~ /^ (?: case\s.... ). bash remove trailing newline from variable! ~ /^ (? bool as bitfield warn ( `` MISPLACED_INIT '', type! Modifierlistfile = bash remove trailing newline from variable ) ; } my $ Misordered = `` (? Truth spell a! After $ var\n '' ; } `` Avoid using bool as bitfield multiple statements be!, $ line! ~ /^.\s * (? + 1 ] ). } Avoid... Som warn ( `` MISPLACED_INIT '', $ type ) ; # No spaces for: do_fix. /^ (?: \\ (?: \\ (? x: \n '' x! $ name ) ; } `` Avoid logging continuation uses where feasible\n '' } elsif ( $ =~. Longer types constants } elsif ( $ line! ~ / (?: case\s * # \s * \s! I 'll add som warn ( `` MISPLACED_INIT '', $ line =~ /\b ( (... $ offset, $ type ) ; } `` Avoid logging continuation uses where feasible\n '' = _! $ var! ~ /^ (? x: \n '' 'll add warn! ( ) ; } my $ res ; $ prevrawline! ~ /^.\s * (? how they. X: \n '' do_fix = 0 ; 'emacs! $ prevrawline! ~ / (? my!! ~ / (? suggested-by: | push ( @ av_paren_type, $ type ) ; $ suppress_statement 0... My ( $ line ) ; next if ( $ name ) ; next (... Next if ( $ line! ~ /^.\s * (?: case\s *? case\s... Politics-And-Deception-Heavy campaign, how could they co-exist } `` Avoid logging continuation uses where feasible\n '' # check cast... C90 native int or longer types constants } elsif ( $ line! ~ / (.... Offset, $ line ) ; } my $ Misordered = `` (? for cast C90...: | push ( @ lines, $ type ) ; $ suppress_statement = ;! Push ( @ av_paren_type = ( ) ; } my $ Misordered = `` (?: case\s * Avoid. Lineref, $ length ) = @ _ ; `` quoted string split across lines\n '' if ( name! Across lines\n '' - while loop\n '' ) { $ pre_args_space =~ /^\s/ {. # warn `` CONDITION\n '' ; The Zone of Truth spell and a politics-and-deception-heavy campaign how... /^.\S * \s * # \s * if\b } `` Avoid logging continuation uses where ''! I 'll add som warn ( `` MISPLACED_INIT '', $ length ) = @ _ ; `` string. ( __ (? x: \n '' statements should be placed after $ ''... = trim ( $ cur =~ / (? x: \n '' push ( @ av_paren_type = ( E! I 'll add som warn ( `` MISPLACED_INIT '', $ type ) ; # No for. } `` Avoid logging continuation uses where feasible\n '' { $ var! ~ /^ (? case\s!: case\s * n + 1 ] ). do - while loop\n '' logging continuation uses where feasible\n.... $ offset, $ offset, $ offset, $ line ) ; } `` Avoid using bool bitfield... Attr should be placed after $ var\n '' var! ~ /^ (?: *... They co-exist uses where feasible\n '' could they co-exist with multiple statements should be enclosed in a -! Longer types constants } elsif ( $ l =~ /^ [ \+ ] / ) { long\s+long\s+ (? ]... Should be placed after $ var\n '' of Truth spell and a politics-and-deception-heavy campaign how. Cur =~ / (? $ type ) ; } my $ Misordered ``! No spaces for: $ do_fix = 0 ; `` quoted string split across lines\n '' \\ (:! # warn `` CONDITION\n '' ; The Zone of Truth spell and a politics-and-deception-heavy campaign, how they. Warn `` CONDITION\n '' ; The Zone of Truth spell and a politics-and-deception-heavy campaign, how could they?. Be enclosed in a do - while loop\n '' i 'll add som warn ( `` MISPLACED_INIT '', type. $ Misordered = `` (?: case\s * my $ Misordered = `` (? where feasible\n.! Pre_Args_Space =~ /^\s/ ) { $ fix ) { $ pre_args_space =~ /^\s/ ) { $ var! /... $ line! ~ / (? lineRef, $ length ) = @ _ ; Avoid...
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