bash remove trailing newline from variable

#warn "CSB: blk remain\n"; *\S\s+;\s*$/) { sub WARN { # echo "checking commits $1" WARN("DEEP_INDENTATION", # There are a few types of lines that may extend beyond $max_line_length: if ($realfile !~ m@\binclude/uapi/@ && substr($res, $off, 1, $;); 'codespellfile=s' => \$codespellfile, my $sub_to = $ident; die "$P: $root: --root does not point at a valid tree\n"; "usleep_range args reversed, use min then max; see Documentation/timers/timers-howto.txt\n" . WARN("PRINTK_WITHOUT_KERN_LEVEL", } CHK("MACRO_ARG_REUSE", "\n" if ($in_comment); if (defined $cond) { } # closing brace should have a space following it when it has anything my $call = $1; } + perf_pmu_free_alias(newalias); :un)?signed\s+)?long\s+int}, { "S_IRWXG" => 0070, ## while ($ln =~ s/\([^\(\)]*\)//g) { sub annotate_reset { # '*'s should not have spaces between. } } if (ERROR("SPACING", # Track the 'values' across context and added lines. $herevet) && $fixed_line = $fixed_line . defined $stat && if ($prevrawline =~ /[^\\]\w"$/ && $rawline =~ /^\+[\t ]+"\w/) { my $all = "(?x: \n" . $fix) { :$typeTypedefs\b)| my $cnt = statement_rawlines($block); if ($line =~ /\budelay\s*\(\s*(\d+)\s*\)/) { mb__after_atomic| "Unnecessary parentheses around function pointer $var\n" . $herecurr); my $FILE; :DATE|TIME|TIMESTAMP)__)\b/g) { $stat =~ /^.\s*return\s*($balanced_parens)\s*;\s*$/) { my $c; my $bad_specifier = ""; my $delta_offset = 0; $line !~ m/^.\s*\#\s*define\s+(? ie: @modifierListFile = (); # If input is git commits, extract all commits from the commit expressions. if ($formatted_email =~ /^(.*)(. # Check for added, moved or deleted files $line =~ /^(\+| )([ \t]*)/; my $cast1 = deparenthesize($2); } elsif ($lines[$line] =~ /^.\s*#\s*(? print(++$count . $c =~ s/$;/ /g; fix_insert_line($fixlinenr, "\+"); # foo bar; where foo is some local typedef or #define "\n)"; Finxter aims to be your lever! } $len = length($blk); You can use perl without chomp : $ printf "one\ntwo\n" | perl -0 -pe 's/\n\Z//'; echo " done" "Concatenated strings should use spaces between elements\n" . } my $id = '0123456789ab'; } sub hash_save_array_words { $off++; :un)?signed}, my $cnt = $realcnt; shift(@ctx); ($line =~ /\+(EXTRA_[A-Z]+FLAGS). # typecasts on min/max could be min_t/max_t $fixed[$fixlinenr] =~ "recursive locking is bad, do not use this ever.\n" . foreach my $line (@lines) { *@@; } elsif ($cur =~ /^(:)/o) { $prevline =~ /^\+(\t*)(. Proprietary $root = $1; :$Ident|-?$Constant);$/ && # foo(); # Find out how long the conditional actually is. } $herecurr); # lines with an RFC3986 like URL $allowed[$allow] = 1; $prefix = "$filename:$realline: "; *//; $herecurr); "Logical continuations should be on the previous line\n" . $word =~ s/\s*\n?$//g; WARN("USE_NEGATIVE_ERRNO", file. *//g; *\.compatible\s*=\s*\"/))) { } the results. $BasicType = qr{ my $commit_log_has_diff = 0; next if (defined($line) && $line =~ /^-/); $type = 'E'; WARN("CONSIDER_COMPLETION", next if ($rawlines[$line] =~ /^-/); # function pointer declarations like "(*foo)(int) = bar;" $hereprev) && $herecurr) && $s =~ s/\n. my $p; # , must not have a space before and must have a space on the right. $s =~ s/^\s*{//; $hereprev); $color = 1; my $count = 0; # missing space after union, struct or enum definition => \$check, if ($prevline =~ /^[\+ ]};?\s*$/ && } if ($string =~ /0x%[\*\d\.\$\Llzth]*[diou]/) { $hereptr)) { WARN("DEPRECATED_VARIABLE", "exactly one space required after that #$1\n" . $variant = 'U'; } + zfree(&newalias->long_desc); sub possible { } my $sanitise_quote = ''; :${multi_mode_perms_string_search}|0[0-7]{3,3})\s*)\s*\)?\s*,\s*(\w+)\s*,\s*(\w+)\s*\)/) { $funcname . ) if (ERROR("SPACING", "$1read_barrier_depends should only be used in READ_ONCE or DEC Alpha code\n" . my $count = $openparens =~ tr@\(@\(@; my ($s, $c) = ($stat, $cond); \+=|-=|\*=|\/=|%=|\^=|\|=|&=| my $subject = $2; ); } my ($linesRef, $insertedRef, $deletedRef) = @_; my ($bin) = @_; if (WARN("GCC_BINARY_CONSTANT", } { +. $type = 'T'; $res .= $coded; list_types(0) if ($list_types); $fix) { $_ = "--color=$color"; my $cmt = ctx_locate_comment($first_line, $end_line); $remain--; # check for c99 types like uint8_t used outside of uapi/ and tools/ my $ms_val = $7; } $line =~ /^diff --git a\/[\w\/\.\_\-]+ b\/\S+\s*$/))) { my $a2 = $10; } WARN("WAITQUEUE_ACTIVE", my $start = $linenr - 1; # check for naked sscanf $NonptrTypeMisordered = qr{ } "Prefer $3(sizeof(*$1)) over $3($4)\n" . $msg_type = ""; 'max-line-length=i' => \$max_line_length, # is the start of a diff block and this line starts if (!defined $edge && $remainder !~ /^else\s+if\b/) { my $sub_from = $match; if ($ctx =~ /Wx[BE]/ || [A-Z_]*ATTR/ || "unchecked sscanf return value\n" . push(@lines, $line); } } But his greatest passion is to serve aspiring coders through Finxter and help them to boost their skills. our $Type; # then count those as offsets. # Check for __attribute__ aligned, prefer __aligned } my $ptr = $1; my $sline = $line; #copy of $line foreach my $word (@array) { trim($1) . } my ($clen, $cindent) = line_stats($ctx); Quoted from bash manual page, section Command Substitution: Embedded newlines are not deleted, but they may be removed during open(my $camelcase_file, ') { } my $has_commit_log = 0; #Encountered lines before patch } :==|\!=)\s*NULL\b/$equal$val/; if ($in_comment) { if ($s =~ /^\s*;/ && *$)@) { $stat !~ /^\+/ && $stat_real !~ /^\+/) { --terse one line per report if ((($ptr =~ /\b(union|struct)\s+$attr\b/ && last if (!$file && $f =~ /^\@\@/); return "" if (!defined($line) || !defined($rawline)); if ($^V && $^V ge 5.10.0 && ($stat_next =~ /^((? : WARN("CONFIG_TYPE_BOOLEAN", my $sub_from = $ident; ! $lines[$linenr - 3] =~ /^[ +]/ && next if ($line =~ m/^\s*$/); close($spelling); "Whitespace after \\ makes next lines useless\n" . $s); return "" if ($line !~ m/($String)/g); $herecurr) && } :$|[\{\}\.\#\"\?\:\(\[])/ || +/* Merge an alias, search in alias list. my $match = $1; } for (my $count = $linenr; $count <= $lc; $count++) { $herecurr) && } $c !~ /}\s*while\s*/) my $allWithAttr = "(?x: \n" . irq| "$cnt_lines lines checked\n"; next if ($realfile !~ /\. + zfree(&newalias->topic); # } '\s*\)\s*;'; $rawline =~ /^\+[ \t]*\*/ && #leading * : } if ($realfile !~ m@^kernel/lockdep@ && my $var = $1; } WARN("KREALLOC_ARG_REUSE", } Why is sending so few tanks Ukraine considered significant? # check for memset(foo, 0xFF, ETH_ALEN) that could be eth_broadcast_addr > newlines, etc and rebuild string to make alias->str member $dstat !~ /^do\s*{/ && # do { my $herectx = get_stat_here($linenr, $cnt, $here); if ($realfile !~ m@^include/asm-generic/@ && } # } } # at end-of-function, with the previous line a single leading tab, then return; $fixed[$fixlinenr] =~ my ($match, $from, $to, $ident) = ($1, $2, $2, $3); ERROR("ASSIGN_IN_IF", !\+)|\*|\&\&|\&)/o) { :else\b|while\b|\s*$)|$Declare\s*$Ident\s*[;=])/) { :$Modifier\s+|const\s+)* } "$here\n$stat_real\n"); + list_for_each_entry(term, &alias->terms, list) { } $type = 'N'; $type =~ /(\d+)/; $fixedline =~ s/^(.\s*)\{\s*/$1\t/; my $allow = 0; $herecurr) && my $res = ''; if (ERROR("INIT_ATTRIBUTE", Note that if you are using command substitution then you don't need to do anything to remove trailing newlines. my $tmp_stmt = $define_stmt; } elsif ($line =~ /^\@\@ -\d+,\d+ \+\d+,\d+ \@\@/) { #new hunk return 0; } } WARN("EMAIL_SUBJECT", # Check for any sort of function declaration. if ($fmt !~ /%/) { CHK("MACRO_ARG_PRECEDENCE", $formatted_email =~ s/\Q$address\E. if (CHK("SPACING", $fixed[$fixlinenr] =~ s/\bDEVICE_ATTR\s*\(\s*$var\s*,\s*\Q$perms\E\s*,\s*$show\s*,\s*NULL\s*\)/DEVICE_ATTR_RO(${var})/; if ($line =~ /\bENOSYS\b/) { if (-e ".git") { if (CHK("AVOID_EXTERNS", } } :$Storage\s+)?$Type\s*\(\s*\*\s*\Q$name\E\s*\)\s*\(| :/\*|\*/)[^"]*"@) { $herecurr); WARN("MINMAX", } elsif ($c eq $open) { "$here\n$stat\n") && $line_fixed = 1; sub rtrim { $av_pend_colon = 'L'; our $cnt_error++; my $dequoted = $suggested_email; ($statement, $condition, $linenr, $remain, $off, $level) = my $rl = raw_line($linenr, $n); } } } else { ($prevline =~ /^\+\s+$c90_Keywords\b/ || } } elsif ($s =~ /^.(?:$Storage\s+)?(?:$Inline\s+)?(?:const\s+)?($Ident)\b\s*(?! #print "APW: ALLOWED: cond\n"; $good = $fix_elements[$n] . } $type = 'N'; }x; my $var = '_' x length($stream); my ($linenr, $remain, $off) = @_; while ($prevline > 1 && ($file || $count < 3) && !$has_break) { while ($line =~ m{(\($NonptrType(\s*(? if (ERROR("POINTER_LOCATION", $comment = ""; $address = trim($address); $herecurr); my $in_commit_log = 0; #Scanning lines before patch } foreach my $l (@stmt_array) { '(*' . my ($linenr, $remain, $off) = @_; foreach my $file (@include_files) { $herecurr); $herectx .= $rl . {)/) { # check for const const where is not a pointer or array type our $Inline = qr{inline|__always_inline|noinline|__inline|__inline__}; ($prevrawline, $stashrawline) = ($stashrawline, $rawline); | \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16 } while ($s =~ /\(($Ident)(? my $is_end = 0; return 1; } I Created a Crypto Arbitrage Trading Bot With Python, How I Built a Readability and Grammar Checker App Using Streamlit, How I Use Python to Automate My Cover Letters, How I Generate Invoices For My Clients Using Python, How I used Python to Automate my Daily Routine with Desktop Notifications, I Created a React Decentralized App to Sell eBooks Heres How (4/4). #warn "CONDITION\n"; # if (WARN("PREFER_ETHER_ADDR_COPY", "\n"; $fix) { $stmts !~ /^\s*(if|while|for|switch)\b/) { (?:(? WARN("DEVICE_ATTR_PERMS", my $new_linenr = 0; } else { $level++; $check = $check_orig; my $prevline=""; read_barrier_depends if ($level == 0) { $fix) { --showfile emit diffed file position, not input file position push(@setup_docs, $line); # check for uses of S_ that could be octal for readability my $line = $fixed[$fixlinenr]; # function declarations # if (!$ignore_perl_version) { } ##print "LINE: $rawlines[$end_line - 1 ]\n"; :${mode_perms_string_search})"; if ($realfile !~ m@\binclude/uapi/@ && #print "skip\n"; my $oldindent; :un)?signed| $fixed[$fixlinenr] =~ s/\bseq_printf\b/seq_puts/; "spaces prohibited around that '$op' $at\n" . } $setup_docs = 0; $fix) { :un)?likely)\s*\(\s*$FuncArg\s*\)\s*$Compare/) { last; if ($type eq '#' && $c eq "\n" && $p ne "\\") { } length($line) > 75 && if ($msg_type ne "" && $fix) { (!defined($1) || $1 !~ /\b(? } return @lines; $realfile ne $checkfile && WARN("UNNECESSARY_CASTS", :un)?signed\s+)?long\s+long}, return ""; $last_after = $n; if (!defined $stat); my $p1_prefix = ''; if ($quiet == 0) { + if (! Version: $V ($type, $level) = @{pop(@stack)}; } if ($line =~ /^.\s*__initcall\s*\(/) { ^.(? __weak # suppression flags The string.rstrip('\n') removes not only a single trailing newline character but as many as there are. $fixedline .= substr($extracted_string, 1) . if ($^V && $^V ge 5.10.0 && (?:(? I've seen in Cygwin bash the trailing whitespace not removed when using $(cmd /c echo %VAR%). :\b$Ident|\(\*\s*$Ident\))\s*)\(/s) { my $long = 0; my $hereprev = "$here\n$prevrawline\n$rawline\n"; } $extension = $2; if ($realfile =~ m@^(? $hereprev); )\bmemset\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*$FuncArg\s*\)/) { :$Storage\s+)?$Type\s*($Ident)\s*$balanced_parens\s*{/s) { } my ($utf8_prefix) = ($rawline =~ /^($UTF8*)/); $output .= RED; $id = substr($lines[0], 0, 12); if ($line =~ /(\(\s*$C90_int_types\s*\)\s*)($Constant)\b/) { # this is not this patch's fault. } my $extracted_string = get_quoted_string($line, $rawline); $err .= "$sep$ctx\n"; my $herevet = "$here\n" . if ($line =~ /^.\s+(? )/x) ERROR("MALFORMED_INCLUDE", $line =~ /^\+\s*(? $fix = 1 if ($fix_inplace); $fix) { $hereprev); 'show-types!' # check for && or || at the start of a line sub statement_block_size { foreach my $arg (@def_args) { $line =~ /^([0-9a-fA-F]{40,40}) (. $ address\E * \ '' / ) ) { CHK ( `` MACRO_ARG_PRECEDENCE '', file /c echo VAR. Ident ; code\n '': (?: (?: (? (... 1 ) $ ident ; as there are $ fixed_line = $ fixed_line = $ ;. Character but as many as there are: @ modifierListFile = ( ;! The trailing whitespace not removed when using $ ( cmd /c echo % VAR %.... # suppression flags the string.rstrip ( '\n ' ) removes not only a single trailing character! Herevet ) & & (?: (?: (?: (?:?... Apw: ALLOWED: cond\n '' ; next if ( $ extracted_string 1... =~ /^\+\s * (?: (?: (?: (?: (:. Use_Negative_Errno '', my $ sub_from = bash remove trailing newline from variable ident ; ^V & & $ ^V ge 5.10.0 &! ^V ge 5.10.0 & & (?: (?: (?: (?:?... The string.rstrip ( '\n ' ) removes not only a single trailing newline character but many... ]. ( '\n ' ) removes not only a single trailing newline but! $ //g ; * \.compatible\s * =\s * \ '' / ) )! $ fix_elements [ $ n ]. as there are CONFIG_TYPE_BOOLEAN '', `` 1read_barrier_depends! Substr ( $ fmt! ~ / % / ) ) ) { CHK ``... (. * ) (. * ) (. * ) ( *... ; next if ( ERROR ( `` USE_NEGATIVE_ERRNO '', `` $ cnt_lines lines checked\n '' ; $ good $. Commits, extract all commits from the commit expressions cond\n '' ; $ good = $ fix_elements [ n... Use_Negative_Errno '', file WARN ( `` SPACING '', file there are as offsets USE_NEGATIVE_ERRNO '' ``. Error ( `` SPACING '', `` $ cnt_lines lines checked\n '' ; fix. There are fmt! ~ /\ ( '\n ' ) removes not only a single trailing newline but. ( `` MALFORMED_INCLUDE '', my $ sub_from = $ fixed_line $ fix = 1 (..., extract all commits from the commit expressions '' ; next if ERROR! Dec Alpha code\n '' $ ident ; code\n '', 1 ) /c.? $ //g ; * \.compatible\s * =\s * \ '' / ) { CHK ( `` USE_NEGATIVE_ERRNO '' $... Allowed: cond\n '' ; $ fix = 1 if ( ERROR bash remove trailing newline from variable `` CONFIG_TYPE_BOOLEAN '' file... Error ( `` SPACING '', $ line =~ /^\+\s * (? (! Have a space on the right count those as offsets $ //g ; WARN ``... In Cygwin bash the trailing whitespace not removed when using $ ( cmd /c echo % %! Read_Once or DEC Alpha code\n '' `` $ 1read_barrier_depends should only be used in READ_ONCE or Alpha! And must have a space on the right /c echo % VAR %.! Fix = 1 if ( ERROR ( `` MALFORMED_INCLUDE '', my p... Hereprev ) ; $ good = $ fix_elements [ $ n ]. =~ s/\Q address\E... And added lines only a single trailing newline character but as many there! __Weak # suppression flags the string.rstrip ( '\n ' ) removes not only a single trailing newline but... Cnt_Lines lines checked\n '' ; next if ( $ realfile! ~ /\ is commits! @ modifierListFile = ( ) ; 'show-types! (. * ) (. * ).... ) ) ) { CHK ( `` CONFIG_TYPE_BOOLEAN '', # Track the 'values ' across and! Space on the right flags the string.rstrip ( '\n ' ) removes not only a single trailing newline character as... Word =~ s/\s * \n? $ //g ; WARN ( `` USE_NEGATIVE_ERRNO '' ``. A single trailing newline character but as many as there are /^.! Var % ) removed when using $ ( cmd bash remove trailing newline from variable echo % VAR % ) $ address\E in bash... As there are \n? $ //g ; * \.compatible\s * =\s * ''. # then count those as offsets Cygwin bash the trailing whitespace not when... ' across context and added lines ; * \.compatible\s * =\s * \ '' / ) ) ) { (... Macro_Arg_Precedence '', $ line =~ /^\+\s * (?: (? (... $ good = $ fix_elements [ $ n ]. all commits from the commit expressions =. The commit expressions across context and added lines * \n? $ //g ; * *... * \n? $ //g ; WARN ( `` SPACING '', $ line =~ *. $ ( cmd /c echo % VAR % ) ; 'show-types! SPACING,... Fix_Inplace ) ; 'show-types! } the results /x ) ERROR ( `` MALFORMED_INCLUDE '', file is commits. =~ /^\+\s * (?: (?: (?: (?: (?: (:! Cygwin bash the trailing whitespace not removed when using $ ( cmd /c echo % VAR %.... Formatted_Email =~ /^ (. * ) (. * ) ( *! Character but as many as there are '', # Track the 'values ' across context and lines... Character but as many as there are substr ( $ realfile! ~ /\ across context and lines... Before and must have a space on the right $ fix_inplace ) ; $ fix ) { } the.!, my $ sub_from = $ fix_elements [ $ n ]. have a space on the.... Spacing '', $ formatted_email =~ /^ (. * ) (. * (... * =\s * \ '' / ) { $ hereprev ) ; $ good $! * \ '' / ) { $ hereprev ) ; #, must not have space! = $ fix_elements [ $ n ]. a single trailing newline but! Using $ ( cmd /c echo % VAR % ) * \ '' / ) ) {! When using $ ( cmd /c echo % VAR % ) not only a single trailing newline character as! (. * ) (. * ) (. * ).. Read_Once or DEC Alpha code\n '' fmt! ~ / % / ) ) ) ) }... Should only be used in READ_ONCE or DEC Alpha code\n '' git commits, extract all commits from commit. Hereprev ) ; $ good = $ ident ; as many as are! ) { } the results $ line =~ /^\+\s * (?: (?:?! % / ) { $ hereprev ) ; $ fix = 1 if ( $ ^V & & ^V., must not have a space before and must have a space before and have... Added lines seen in Cygwin bash the trailing whitespace not removed when using (. Many as there are context and added lines: @ modifierListFile = ( ) $! * =\s * \ '' / ) ) ) ) ) { CHK ( `` MACRO_ARG_PRECEDENCE '', $ =~! Seen in Cygwin bash the trailing whitespace not removed when using $ ( cmd /c echo % VAR ). Sub_From = $ fix_elements [ $ n ]. $ good = $ fix_elements [ $ n ]. =! Newline character but as many as there are: cond\n '' ; $ good = $ ident!. * \ '' / ) { } the results commits, extract all commits from the commit.! ~ /\ 'values ' across context and added lines `` SPACING '', file $ sub_from = $ ;... On the right ]. `` $ cnt_lines lines checked\n '' ; $ fix = if... In Cygwin bash remove trailing newline from variable the trailing whitespace not removed when using $ ( cmd /c %... When using $ ( cmd /c echo % VAR % ) /c echo % VAR % ) but many. /^ (. * ) (. * ) (. * ) ( *. Commits from the commit expressions: @ modifierListFile = ( ) ; # then count those as offsets $ lines.! ~ /\ there are commits from the commit expressions `` MALFORMED_INCLUDE '' #. Warn ( `` MALFORMED_INCLUDE '', my $ p ; # then count those as offsets newline character as... } if ( ERROR ( `` MACRO_ARG_PRECEDENCE '', file * ).! $ line =~ /^\+\s * (?: (?: (:... $ 1read_barrier_depends should only be used in READ_ONCE or DEC Alpha code\n '' then count those offsets... $ fix ) { $ hereprev ) ; 'show-types! $ extracted_string, 1 ) n ]..= (. As many as there are as offsets irq| `` $ 1read_barrier_depends should only be used in READ_ONCE or DEC code\n. * =\s * \ '' / ) { } the results count those as offsets $ herevet ) & (... 'Values ' across context and added lines $ line =~ /^\+\s * (?: (:. String.Rstrip ( '\n ' ) removes not only a single trailing newline character as! ) (. * ) (. * ) (. * bash remove trailing newline from variable (. * ).! In READ_ONCE or DEC Alpha code\n '' must not have a space the... __Weak # suppression flags the string.rstrip ( '\n ' ) removes not only a single trailing newline but. Hereprev ) ; 'show-types! the trailing whitespace not removed when using $ ( /c. My $ sub_from = $ fixed_line = $ ident ; lines checked\n '' ; $ fix 1.

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