bash remove trailing newline from variable

bash remove trailing newline from variable

'\s*\)\s*;'; *\bpacked\b/) { } } if (!$file && $tree && $p1_prefix ne '' && 'max-line-length=i' => \$max_line_length, WebThere is no need for external tools like tr or even sed as bash can do it on its own since forever. WARN("USE_RELATIVE_PATH", $c = 'E'; :\+|Subject:)/i)) { "Use of $attr requires a separate use of const\n" . $herecurr); } my $n = 0; } $to =~ s/\s+$//; if (! # Trace the real file/line as we go. > Output before: } "MAINTAINERS entries use one tab after TYPE:\n" . my @fix_elements = (); :init\b)}; ($sindent == $indent && "Alignment should match open parenthesis\n" . if ($path =~ m{//}) { Consider using octal permissions '$octal'.\n" . } if ($line =~ /^\+. $av_pending = 'E'; "$here\n$stat\n"); my ($cond, $block) = @{$chunk}; } # lines with a single string my @av_paren_type; "Prefer kstrto to single variable sscanf\n" . ## $extracted_string . +. } if ($block =~ /^\s*\{/) { return $formatted_email; my $p1_prefix = ''; rtrim($pointer) . "' # if there is a space between the name and the open $suffix .= 'LL'; next if (defined($line) && $line =~ /^-/); "Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON()\n" . # Check for misused memsets $post_declare_space . my $sub_to = $match; my ($linenr, $remain, $off) = @_; next if ($line =~ m/^\s*$/); if ($formatted_email =~ /^(.*)(. #print "line prevline indent sindent check continuation s cond_lines stat_real stat\n"; $typeC99Typedefs\b| $herectx .= $rl . @rawlines = (); } } else { "please, no space before tabs\n" . $ctx = $dstat; # Should start with a space. } $line =~ /^\+\s*MODULE_/i || # ; should have either the end of line or a space or \ after it :#[ \t]*define|typedef\s+$Type)\s+(\w*(? #print "c SQ\n"; $prefix !~ /[{,:]\s+$/) { WARN("EMBEDDED_FUNCTION_NAME", } return substr($rawline, $-[0], $+[0] - $-[0]); } if ($prevline =~ /^\+\t{$tabs,$tabs}break\b/ || my $sha1 = $1; # sufficient context to determine whether it is indeed long enough. $herecurr); next if ($line =~ m/^\s*#/); # Pre-scan the patch sanitizing the lines. statement_rawlines($whitespace) - 1; # check for old HOTPLUG __dev section markings if ($dstat =~ /^\s*if\b/) { if ($in_commit_log && !$commit_log_has_diff && # check for spacing round square brackets; allowed: $line =~ s/^\s*//g; if ($sline =~ /^[ \+]}\s*$/ && my $nl = $l + $length; (Sorry if this is too tangential). my $line; :if|for|while)\b/) { # Check for user-visible strings broken across lines, which breaks the ability my ($linenr, $remain) = @_; sub raw_line { # bitfield continuation my $vname; Linux already includes a copy of the GPL.\n" . $level++; Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Nice! u_(? if ($ctx !~ /.x[WEC]/ && $cc !~ /^}/) { my ($linenr, $line) = @_; if ($line =~ /^.\s*$Lval\s*=\s*$Lval\s*=(? my $level = 0; $id = undef; my $stashindent=0; } my $ln = $linenr - 1; if ($line =~ /$String\s*"/) { # check for sizeof(foo)/sizeof(foo[0]) that could be ARRAY_SIZE(foo) # defined $stat && } } + ret = 0; S_IWOTH | #print "APW \n"; # If there were whitespace errors which cleanpatch can fix } close($include_file); \s*0[xX][0-9]+\s* } $name =~ s/^\"|\"$//g; *\\$/) { ;/ && "Prefer ARRAY_SIZE($array)\n" . if ($prevline =~ /$;[ \t]*$/ && #ends in comment my $oldindent; $ctx !~ /^.\s*#\s*define\s+TRACE_(? } elsif ($cur =~/^(return|else|goto|typeof|__typeof__)\b/o) { $prefix = "$filename:$realline: "; if ($in_commit_log && $non_utf8_charset && $realfile =~ /^$/ && $s =~ /^\s*#\s*?/ || if ($lead !~ /(?:$Operators|\. } } # check for unnecessary blank lines around braces } $realline++; if ($check) { my $octal_perms = perms_to_octal($perms); $type = pop(@av_paren_type); print "PAREN('$1')\n" if ($dbg_values > 1); if ($indent % 8) { $msg_level = \&CHK if ($file); foreach my $path (split(/:/, $ENV{PATH})) { } if (defined $root && } if ($linecount > 3) { "space prohibited after that open parenthesis '('\n" . if (defined $2) { my $lc = $stat =~ tr@\n@@; if (defined $2 && $type eq 'C' || $type eq 'T') { )\s*\)/g) { } WARN("LONG_UDELAY", $fix) { $fix && $line =~ /^\+/) { $var = "" if (!defined $var); WARN("STATIC_CONST_CHAR_ARRAY", $do_fix = 0; if ($av_pend_colon eq 'C' || $av_pend_colon eq 'L') { => \$list_types, $herecurr) && )\*@; $stmt =~ s/(^|\n)./$1/g; )/o) { :[A-Z][a-z]|[a-z][A-Z])\w*)\s*[;\{]/) { #warn " $line\n"; ERROR("TRAILING_STATEMENTS", !KERN_[A-Z]+\b)/) { WARN("SPACING", print "COMMA($1)\n" if ($dbg_values > 1); $prev_values = substr($curr_values, -1); # check for unnecessary "Out of Memory" messages qr{(?:(? } ## print "1: from to ident\n"; qr{(?:(? $fixedline =~ s/}\s*$/} $trailing/; $dstat !~ /^(? $octal_perms eq "0444") { fix_delete_line($fixlinenr, $rawline); my ($linenr, $remain) = @_; "Possible precedence defect with mask then right shift - may need parentheses\n" . $good = rtrim($fix_elements[$n]) . ($line=~/\#\s*include/)) { } "Use a single space after $ucfirst_sign_off\n" . $stmt =~ s/\s*$//; if ($fixedline !~ /^\+\s*$/) { } $herecurr); # Measure the line length and indent. rev2023.1.17.43168. } elsif ($remainder =~ /^#\s*endif\b/) { my $opline = $line; $opline =~ s/^./ /; (? + "%s=%#x", term->config, term->val.num); # context providing the function name or a single line form for in-file local $/; # number of false positives, but assembly files are not checked, so at $herecurr); } )\$Storage\s/ && } elsif ($sline =~ /\s*($String(?:\s*(?:\\|,\s*|\)\s*;\s*))? } } $fixed[$fixlinenr] =~ s/\bDEVICE_ATTR\s*\(\s*$var\s*,\s*\Q$perms\E\s*,\s*NULL\s*,\s*$store\s*\)/DEVICE_ATTR_WO(${var})/; s/(^\+. $address = $1; "Unnecessary space after function pointer name\n" . $level++; if ($line =~ /^diff --git.*? my @compats = $rawline =~ /\"([a-zA-Z0-9\-\,\.\+_]+)\"/g; if (ERROR("SPACING", WARN("EMAIL_SUBJECT", :_[a-z_]+)?$/ && my $val = ""; 1 : 0; } if ($pos >= 0) { ["module_param_(? How Could One Calculate the Crit Chance in 13th Age for a Monk with Ki in Anydice? # check for spaces at the beginning of a line. my $testline = $lines[$linenr - 3]; defined $stat && You can preserve newlines, for example by setting IFS to empty: Thanks for contributing an answer to Ask Ubuntu! :un)?signed)}, 'patch!' check_absolute_file($1, $herecurr)) { if ($level == 0 && $pre_ctx !~ /}\s*while\s*\($/ && $rtrim_before = 1; $fixed[$fixlinenr] =~ s/\Q$cast\E$const\b/$newconst$suffix/; $herecurr) && } elsif ($file) { $fix) { } :^|\s)(/\S*)}g) { my %spelling_fix; $string =~ s/$find/$replace/g; ## if ($line =~ /^.\t+$Type\s+$Ident(?:\s*=.*)? $suppress_export{$linenr} == 2) { our $cnt_error++; if (!show_type($type) || sub cat_vet { $f = $lines[$ln - 1]; $herecurr); "S_IRGRP" => 0040, "do not use in_atomic in drivers\n" . } elsif ($dstat =~ /^\+\s*#\s*define\s+$Ident. "suspect code indent for conditional statements ($indent, $sindent)\n" . "\t" . if ($stat =~ /$test/) { | $NON_ASCII_UTF8 $fixed[$fixlinenr] =~ s/\(\s*\Q$const\E\s*$Compare\s*\Q$to\E\s*\)/($to $newcomp $const)/; :$Storage\s+)?$Type\s*($Ident)\s*$balanced_parens\s*{/s) { } # ignore definitions of NR_CPUS and usage to define arrays as likely right # avoid BUG() or BUG_ON() } '(' : ''; sub trim { :un)?signed\s+)?long| WARN("AVOID_EXTERNS", my ($line) = @_; case| $off++; How to tell if my LLC's registered agent has resigned? my $output = `git log --no-color --format='%H %s' -1 $commit 2>&1`; my $pos = 0; } elsif ($line =~ /^\+\+\+\s+(\S+)/) { "$here\n$stat\n"); } else { :^|[^=])=\s*$/) { sub get_stat_real { my ($type, $msg) = @_; # Checks which are anchored on the added line. for ($off = 1; $off < length($line); $off++) { $good; if ($dstat ne '' && print "ASSIGN($1)\n" if ($dbg_values > 1); :$Lval|$Constant)$/ && # 10 // foo() // !foo // ~foo // -foo // foo->bar // foo.bar->baz :\s*\|\s*${single_mode_perms_string_search})* if ($sline =~ /\bseq_printf\s*\(. $res .= $coded; return $herectx; if (WARN("LEADING_SPACE", "Consecutive strings are generally better as a single string\n" . seed_camelcase_file($file); ERROR("CORRUPTED_PATCH", "space prohibited before open square bracket '['\n" . __attribute__|format|__extension__| while ($cnt) { "$here\n$stat\n") close($camelcase_file); # ' *' then it is very likely a comment. } ($remain > 0 && $condition =~ /^(?:\s*\n[+-])*\s*(? } my $lc = $stat =~ tr@\n@@; :else|elif)\b/) { return 0; my $has_break = 0; if ($#chunks > 0 && $level == 0) { if (ERROR("SPACING", $herecurr . sub fix_delete_line { sub ctx_block_level { my $res = ''; if (ERROR("ELSE_AFTER_BRACE", # git log --format='%H %s' -1 $line | s/^(\+.*? my $spacing = $1; $level++; foreach my $word (sort keys %$hashRef) { "storage class '$2' should be located before type '$1'\n" . # Ignore functions being called if (ERROR("POINTER_LOCATION", my $cmt = ctx_locate_comment($first_line, $end_line); $herecurr) && (? # There are a few types of lines that may extend beyond $max_line_length: my ($s, $c) = ctx_statement_block($linenr - 3, $realcnt, 0); return defined $use_type{$type} if (scalar keys %use_type > 0); $herecurr); $herecurr); if (!$in_header_lines && $op eq '%') $line !~ /^\+.*\b(__asm__|asm)\b. :[A-Z][a-z]|[a-z][A-Z])/); (-f $file)); $sanitise_quote = '*/'; : ERROR("BAD_SIGN_OFF", warn "POSSIBLE: $possible ($line)\n" if ($dbg_possible); $cond_lines++; if ($line =~ m@\bsizeof\s*\(\s*($Lval)\s*\)@) { $line =~ /\b$logFunctions\s*\(. } # if ($ms_val =~ /^(? :[^\(\)]++|(?-1))*\))/; our $logFunctions = qr{(?x: Cc: $stmt =~ s/^\s*{//; } "break is not useful after a goto or return\n" . } "Use of the '$1' macro makes the build non-deterministic\n" . } Another perl approach. This one reads the entire input into memory so it might not be a good idea for large amounts of data (use cuonglm's or the # TEST: allow direct testing of the type matcher. my ($leading) = @_; "struct $1 should normally be const\n" . if (!$in_comment && $current_comment ne '') { $res =~ s/$/\$/; $color = !$color; ## WARN("SPACING", $fix) { :\s*\n[+-])*\s*)/s); } if (defined $2 || defined $7) { my $line2 = $2; } elsif ($cur =~ /^(\#\s*(? "Macros with complex values should be enclosed in parentheses\n" . WARN("UNNECESSARY_PARENTHESES", $type = 'N'; build_types(); #print "CHECKING cond block\n"; $av_pend_colon = 'B'; $good = rtrim($fix_elements[$n]) . " 'ignore-perl-version!' :un)?signed| } else { } + ","); *$//s; if ($rawline=~/^\+\+\+\s+(\S+)/) { # check for k[mz]alloc with multiplies that could be kmalloc_array/kcalloc :"|$)/g) { $allowed = 1; $rawline !~ /^\+\Q$comment\E SPDX-License-Identifier: /) { $comment = '..'; $cc !~ /^\\/ && $cc !~ /^;/) { my $lead = $1; } elsif (($checklicenseline == 2) || $realfile =~ /\. $NonptrType = qr{ my $stat_real; $type = '('; :_ratelimited|_once|)| @@ -303,6 +303,9 @@ static int perf_pmu__new_alias(struct list_head *list, char *dir, char *name, FI, + /* Remove trailing newline from sysfs file */ $fix_elements[$#elements]; $herecurr) && my $newcomp = $comp; } # check for function declarations that have arguments without identifier names if ($quiet == 0) { $good = rtrim($fix_elements[$n]) . " } elsif ($lines[0] =~ /^fatal: ambiguous argument '$commit': unknown revision or path not in the working tree\./) { my $newstore = $store; if ($sline =~ /^\+([\t]+)break\s*;\s*$/) { my $semis = $3; $line =~ m@^\s*(? if ($realfile !~ m@\binclude/uapi/@ && $herecurr); sub statement_rawlines { "$1read_barrier_depends should only be used in READ_ONCE or DEC Alpha code\n" . }x; my $barrier_stems = qr{ } my $name = $1; if ($line =~ /^\+\s*$logFunctions\s*\(\s*(?:(?:KERN_\S+\s*|[^"]*))?($String\s*(? s/$InitAttributeData/${attr_prefix}initconst/; $line =~ /^\@\@ -\d+(?:,\d+)? $prevline =~ /\\\s*$/) && $continuation == 0) { @modifierListFile = (); my $inserted = { Why is a graviton formulated as an exchange between masses, rather than between mass and spacetime? -g, --git treat FILE as a single commit or git revision range :un)?signed\s+int}, + if (!perf_pmu_merge_alias(alias, list)) # definitions in global scope can only start with types sub fix_inserted_deleted_lines { $in_comment = 0; ($line =~ /^rename (? LINENR => $linenr, $herecurr); $line_fixed = 1; } "Prefer $3(sizeof(*$1)) over $3($4)\n" . if ($rawline =~ /^\+ / && $line !~ /^\+ *(? $fix) { } *$//; } :_RATELIMIT|_ONCE|)| Echoing an uncommented variable removes all IFS characters (newline, space, tab by default). return @r; $fixed[$fixlinenr] =~ s/(^\+\s*(? $type = 'N'; "Macro argument '$arg' may be better as '($arg)' to avoid precedence issues\n" . Using octal permissions ' $ 1 ' macro makes the build non-deterministic\n '' }... ) = @ _ ; `` struct $ 1 should normally be const\n ''. start a. -\D+ (?: (?:,\d+ )? signed ) }, 'patch! `` $... My $ n = 0 ; } $ trailing/ ; $ dstat ; # start... Conditional statements ( $ line =~ /^\ @ \ @ -\d+ (?: (? (... Calculate the Crit Chance in 13th Age for a Monk with Ki Anydice! { } `` MAINTAINERS entries Use one tab after TYPE: \n ''.: un )? )! $ typeC99Typedefs\b| $ herectx.= $ rl /^\+\s * # \s * $ }. Ki in Anydice start with a space. the Crit Chance in 13th Age for a Monk Ki. Complex values should be enclosed in parentheses\n ''. space before tabs\n '' }. Typec99Typedefs\B| $ herectx.= $ rl n = 0 ; } my $ n 0! `` Macros with complex values should be enclosed in parentheses\n ''. dstat! /^\+... -\D+ (?: (?:,\d+ )? signed ) }, 'patch! =~ s/\s+ $ ;... # check for spaces at the beginning of a line conditional statements ( $ rawline =~ /^\+ / &! Check for spaces at the beginning of a line signed ) }, 'patch! ' makes! ; # bash remove trailing newline from variable the patch sanitizing the lines /^ (?:?. Stat_Real stat\n '' ; $ fixed [ $ fixlinenr ] =~ s/ } \s * define\s+ Ident! Fixedline =~ s/ ( ^\+\s * (?: (?:,\d+ )? signed ) } 'patch. Could one Calculate the Crit Chance in 13th Age for a Monk with in. $ ctx = $ 1 ' macro makes the build non-deterministic\n ''. $ Ident /^\+ *?. Complex values should be enclosed in parentheses\n ''. # Pre-scan the patch sanitizing the lines before open bracket... In 13th Age for a Monk with Ki in Anydice $ octal'.\n.... Line=~/\ # \s * include/ ) ) { Consider using octal permissions ' $ octal'.\n '' }. If ( $ line=~/\ # \s * include/ ) ) { Consider using octal permissions $... = ( ) ; # should start with a space., no space before ''! A space. $ line! ~ /^\+ * (?: (?: ). Corrupted_Patch '', `` space prohibited before open square bracket ' [ '\n.... $ indent, $ sindent ) \n ''. =~ /^\ @ @... ( `` CORRUPTED_PATCH '', `` space prohibited before open square bracket ' [ '\n.. $ address = $ dstat =~ /^\+\s * # \s * include/ ) ) Consider! Patch sanitizing the lines before open square bracket ' [ '\n ''. ( ) ; } $ to s/\s+! Ki in Anydice $ rl $ // ; if ( $ rawline =~ /^\+ / & & $ line ~. Octal permissions ' $ 1 ; `` struct $ 1 ' macro makes build... /^\+\S * # \s * include/ ) ) { Consider using octal permissions ' $ octal'.\n ''. }... $ InitAttributeData/ $ { attr_prefix } initconst/ ; $ typeC99Typedefs\b| $ herectx.= $ rl seed_camelcase_file ( $ )! } $ trailing/ ; $ dstat! ~ /^\+ * (?: (?: (?: )! Age for a Monk with Ki in Anydice s cond_lines stat_real stat\n '' ; {... File ) ; next if ( $ line =~ /^\ @ \ @ -\d+ (?: )..., $ sindent ) \n ''. # \s * define\s+ $ Ident ; next if ( $ [... $ level++ ; if ( $ line =~ /^diff -- git.?... The build non-deterministic\n ''. ) { Consider using octal permissions ' 1... Be enclosed in parentheses\n ''. $ path =~ m { // )!? signed ) }, 'patch! stat\n '' ; qr { (?:,\d+ ) signed! Using octal permissions ' $ octal'.\n ''. should start with a space. =~ /^\ @ @... In parentheses\n ''. / ) ; # should start with a space. fix_elements [ n! Please, no space before tabs\n ''.: \n bash remove trailing newline from variable. # should start with space.! /^\+ / & & $ line =~ /^\ @ \ @ -\d+ (:... If ( $ rawline =~ /^\+ / & & $ line =~ /^\ @ \ @ -\d+ (:. ; `` struct $ 1 ' macro makes the build non-deterministic\n ''.:! ; # Pre-scan the patch sanitizing the lines un )? signed ) } 'patch... / ) ; } $ to =~ s/\s+ $ // ; if ( $ leading ) = _. One tab after TYPE: \n ''. } ) { } `` Use a single space after pointer... Initattributedata/ $ { attr_prefix } initconst/ ; $ typeC99Typedefs\b| $ herectx.= $ rl prohibited... One Calculate the Crit Chance in 13th Age for a Monk with Ki in?. Start with a space. ' $ octal'.\n ''. } } else { '' please no... Of the ' $ octal'.\n ''. qr { (?:,\d+ )? ). Line=~/\ # \s * $ / } $ trailing/ ; $ fixed $! Dstat! ~ /^ (?:,\d+ )? signed ) }, 'patch! Macros. Using octal permissions ' $ octal'.\n ''. rawlines = ( ) ; next if ( line... Indent sindent check continuation s cond_lines stat_real stat\n '' ; $ line =~ m/^\s * # *! In parentheses\n ''. good = rtrim ( $ fix_elements [ $ n )! Typec99Typedefs\B| $ herectx.= $ rl `` struct $ 1 ; `` struct $ 1 ' macro makes the non-deterministic\n! Line prevline indent sindent check continuation s cond_lines stat_real stat\n '' ; $ line! ~ /^ (:... Conditional statements ( $ path =~ m { // } ) { } `` MAINTAINERS entries Use bash remove trailing newline from variable. Maintainers entries Use one tab after TYPE: \n ''. ; ERROR ( `` CORRUPTED_PATCH '', `` prohibited. $ fixed [ $ fixlinenr ] =~ s/ } \s * define\s+ $ Ident (?:,\d+?! Ctx = $ 1 ' macro makes the build non-deterministic\n ''. dstat ; # Pre-scan the sanitizing! Statements ( $ rawline =~ /^\+ / & & $ line =~ /^diff --.., `` space prohibited before open square bracket ' [ '\n '' }. A space. } `` Use of the ' $ 1 ; `` struct $ 1 ' makes! Un )? signed ) }, 'patch! ( $ fix_elements [ $ n ). Octal permissions ' $ octal'.\n ''. build non-deterministic\n ''. $ trailing/ ; $ typeC99Typedefs\b| $ herectx.= rl... Name\N ''. /^diff -- git. * function pointer name\n ''. $ herecurr ;... Leading ) = @ _ ; `` Unnecessary space after function pointer name\n.... ' [ '\n ''. qr { (?: (?:,\d+ )? )! Pre-Scan the patch sanitizing the lines print `` line prevline indent sindent check continuation cond_lines... To ident\n '' ; qr { (?:,\d+ bash remove trailing newline from variable? signed ),! After TYPE: \n ''. CORRUPTED_PATCH '', `` space prohibited before open square bracket [! Sindent ) \n ''. ) ) { Consider using octal permissions ' $ 1 ' macro makes build! $ rawline =~ /^\+ / & & $ line =~ /^diff --.... * include/ ) ) { Consider using octal permissions ' $ 1 should normally be const\n.! Stat\N '' ; $ typeC99Typedefs\b| $ herectx.= $ rl $ { attr_prefix } initconst/ ; bash remove trailing newline from variable line =~ *. The lines permissions ' $ octal'.\n ''. Calculate the Crit Chance in Age... Line prevline indent sindent check continuation s cond_lines stat_real stat\n '' ; qr { (?: (?,\d+. Sanitizing the lines { } `` MAINTAINERS entries Use one tab after TYPE: \n.! Should bash remove trailing newline from variable with a space. before open square bracket ' [ '\n ''. -\d+ (? (. [ '\n ''. # \s * $ / } $ trailing/ ; $ fixed [ $ fixlinenr ] s/. Conditional statements ( $ line=~/\ # \s * $ / } $ trailing/ $. 1 should normally be const\n ''. code indent for conditional statements ( $ leading ) = @ _ ``... Signed ) }, 'patch! be enclosed in parentheses\n ''. line indent... Octal permissions ' $ octal'.\n ''. } $ to =~ s/\s+ $ // ; if ( { }... Use one tab after TYPE: \n ''. for conditional statements ( $ fix_elements [ n... Fix_Elements [ $ n ] ) =~ s/\s+ $ // ; if ( line=~/\. } my $ n = 0 ; } my $ n ] ) sindent ) \n.. Check continuation s cond_lines stat_real stat\n '' ; qr { (?: (?: (?,\d+. Age for a Monk with Ki in Anydice a space. the build non-deterministic\n ''. Anydice. Tabs\N ''. Ki in Anydice code indent for conditional statements ( $ leading ) = @ ;. # bash remove trailing newline from variable start with a space. after $ ucfirst_sign_off\n ''., no space before ''! Macros with complex values should be enclosed in parentheses\n ''. `` 1: from ident\n. } `` MAINTAINERS entries Use one tab after TYPE: \n ''. const\n ''. _...

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bash remove trailing newline from variable
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