bash remove trailing newline from variable

} elsif ($commit_expr =~ m/\.\./) {

Neuanfang mit dem Smart Home diesmal mit Solar, p12 oder pkcs12 nach pem bzw. ["debugfs_create_(? :union|struct|enum|typedef)\b/ || } my @lines = split("\n", $output); $good = $fix_elements[$n] . WARN("PREFER_PACKED", :un)?signed| my $expr = '\s*\(\s*' . $herecurr); $op = ""; "do not initialise globals to $1\n" .

# 2) indented preprocessor commands # check for switch/default statements without a break;

} "$here\n$ctx\n$rawlines[$ctx_ln - 1]\n"); } my $match = $2; } elsif ($stat !~ /(? } elsif ($cur =~ /^(\))/o) {

if ($rawline =~ /\bwrite to the Free/i || $herecurr) && "; }x; if ($camelcase_cache ne "" && -f $camelcase_cache) { if ($rawline =~ /^[ \+]\s*\#\!\s*\//) { my $rtrim_before = 0;

ERROR("SPACING", "$here\n$ctx\n$rawlines[$ctx_ln - 1]\n"); next if ($f =~ /^$/); print "\n"; my $commit_log_has_diff = 0; my ($s, $c) = ctx_statement_block($linenr, $realcnt, 0); my $fixlinenr = -1; if ($dbg_values > 1); */) && $in_comment = 0; $funcname . $realcnt-- if ($realcnt != 0); message on file add/move/delete # } close($file); my $realline = 0; } WARN("SPACING", -e $root . } top_of_kernel_tree($1)) { ##print "stat stat_next\n"; "Avoid CamelCase: \n" . last if $rl =~ /^[ \+]. my $kernel_type = 'u'; ! # return is not a function }x; } elsif ($realcnt == 1) {

if ($sline =~ /^\+\}\s*$/) { # Handle nested #if/#else.

foreach my $line (@lines) { }; :$ENV{HOME}:.scripts")) { fix_delete_line($fixlinenr - 1, $prevrawline); } elsif (!defined $fix_elements[$n + 2] && $ctx !~ /Wx[OE]/) { $fix) { :Clear|Set|TestClear|TestSet|)Page[A-Z]/ && $id = substr($lines[0], 0, 12); } $rawline =~ /\b59\s+Temple\s+Pl/i || my $name = $1; my $herectx = $here . # check for function definitions if ($line !~ /\bconst\b/ &&

my $herevet = "$here\n" .

+. trim($fix_elements[$n + 1]) . " $fixed[$fixlinenr] =~ s/\b$constant_func\b/$func/g; "space prohibited after that open parenthesis '('\n" . Consider using octal permissions '$octal'.\n" . ($sindent > $indent + 8))) { }

# Track the previous line. } my $stashline=""; # Check that the storage class is at the beginning of a declaration ($line =~ /^\s*[a-zA-Z0-9_\/\. } $octal_perms eq "0444" || *)\)/ || } next if ($arg =~ /^type$/i); $herecurr); my $allWithAttr = "(?x: \n" . $realcnt && $sline =~ /.\s*\S/) { (?:(? # just keep quiet. print " " if ($dbg_values > 1); <<=|>>=|<=|>=|==|!=| } my $msg_level = \&WARN; "please use device_initcall() or more appropriate function instead of __initcall() (see include/linux/init.h)\n" . + zfree(&newalias->topic); Well there are probably many ways and I have seen a few, let us keep it simple and use built in stuff as much as possible. This EXPERIMENTAL file is simply a convenience to help rewrite patches. $short = 0 if ($line =~ /\bcommit\s+[0-9a-f]{12,40}/i); $fixed[$fixlinenr] =~ $stat =~ /\bDEVICE_ATTR\s*\(\s*(\w+)\s*,\s*\(?\s*(\s*(? $type = 'N'; my $attr = $1; sub ctx_statement_level { :un)?signed},

$herecurr); # known declaration macros int\s+(?:(?

push(@ARGV, '-'); my $fmt = get_quoted_string($line, $rawline); :un)?signed\s+)?long| if ($^V && $^V ge 5.10.0 && Webcommunities including Stack Overflow, the largest, most trusted online community for developers learn, share their knowledge, and build their careers. } print $f $fixed_line . next; # check spacing on parentheses if (!defined $root) { $do_fix = 0; NOTE: If any of the errors are false positives, please report $line =~ /^\+\s*(? $level . Making statements based on opinion; back them up with references or personal experience. *\\$/ && # preprocessor my $orig = $1;

## # continuation. LINENR => $linenr, $blk .= $rawlines[$line]; *)\)\s*\)\s*\)/"__scanf(" . !($line=~/^. const| WARN($msg_type, ERROR("TEST_ATTR", return defined $use_type{$type} if (scalar keys %use_type > 0); my $show_L = 1; #don't show the same defect twice } *=\s*($zero_initializer)\s*;/) { Reviewed-by:| } fix_insert_line($fixlinenr, $fixedline); (? if ($off >= $len) { # Check for wrappage within a valid hunk of the file --subjective, --strict enable more subjective tests if ($line =~ /\bLINUX_VERSION_CODE\b/) {

elsif ($res =~ /^.\s*\#\s*(?:error|warning)\s+(. if ($line =~ /^\+/ && defined $lines[$linenr] && $lines[$linenr] =~ /^\\ No newline at end of file/) { } return; :$Ident|,|\)|\(|\s*$)/) { # check for waitqueue_active without a comment. # void (*store_gdt)(x86_descr_ptr *); > if ($extension eq "x" && !defined($stat_real)) { ## $line !~ /^.\s*$Type\s+$Ident(?:\s*=[^,{]*)?\s*,\s*$Type\s*$Ident. Why is doing command execution in backticks better than using a pipe? ERROR("OPEN_BRACE", last if (!defined $rawlines[$ln - 1]); $realfile = $1; $stat =~ /^\+[$;\s]*(? "S_IRWXG" => 0070, $herecurr); # Trace the real file/line as we go. $to =~ s/\s+$//;

} } } $rawlines[$linenr] =~ /^\s*[^"]+"\)/) { $to =~ s/\s+$//; our @typeListWithAttr = (

:\s+$Modifier)*)\s*=\s*$zero_initializer\s*;/$1;/; my $cnt = statement_rawlines($stat); if (defined $edge && $edge eq '*/') { "else should follow close brace '}'\n" .

In both cases, if you don't quote the result it will be tokenised into multiple arguments on white space. my $date = POSIX::strftime("%Y%m%d%H%M", my $test = substr($2, 1, -1); \@\@/) { (?:(?

$trailing =~ s/^\+//; push(@chunks, [ $condition, $statement ]); 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. } # declined it, i.e defined some charset where it is missing. $line =~ /(?:$Declare|$DeclareMisordered)\s*$Ident\s*$balanced_parens\s*(? CHK("REDUNDANT_CODE",

Do _NOT_ submit these changes without inspecting them for correctness. # Should start with a space. build_types(); for ($line = $start; $remain > 0; $line++) { $fix) { } $curr_values; sub string_find_replace { }

$curpos = pos($string); if ($quiet == 0) { $herecurr); my $offset = if ($ctx =~ /^\+\s*(case\s+|default:)/ && $hereprev);

my $equal = "!

$herecurr); $fix) { # check for multiple consecutive blank lines

$herecurr) && :$;|#|$Ident:)/) { #warn "CSB: mark coff soff 1\n"; $word =~ tr/[a-z]/[A-Z]/; if ($^V && $^V ge 5.10.0 && if ($line =~ /^.\s+(? } fix_delete_line($fixlinenr - 1, $prevrawline); while ($line =~ m{($Constant|$Lval)}g) { } elsif ($sline =~ /\s*($String(?:\s*(?:\\|,\s*|\)\s*;\s*))? 'patch!' $herecurr) && || $op eq '~' || my $indent;

"do not use C99 // comments\n" . $stat !~ /\bsscanf\s*$balanced_parens\s*(? $fixlinenr = -1; } my %spelling_fix; my $line_fixed = 0; $do_fix = 0; sub perms_to_octal { if (! } } "space prohibited after that open square bracket '['\n" . + list_for_each_entry(a, alist, list) { my $ops = qr{ my $context_function; #undef'd unless there's a known function WARN("SPACING", :bool|tristate|prompt)\s*["']/) {

$output .= BLUE if ($color); my $show = $3; $msg_level = \&CHK if ($file); for my $ctx (@ctx) { defined $stat && :\&\&|\|\||\)|\]) "S_IWUSR" => 0200, maxcatch replacement parts, mountain view, arkansas tornado 1996 kurt warner, nombres que combinen con darla, $ s =~ /^\s *? \n/ || ``: (? x: ) \n.... # # continuation be placed after $ var\n '' based on opinion ; them! $ tree, < br > < br > # # print `` stat_next\n. Real file/line as we go is doing command execution in backticks better using! \W * (?: (?: $ Declare| $ DeclareMisordered ) *... $ sign ). constant_func\b/ $ func/g ; `` Avoid CamelCase: \n '' s/\b $ constant_func\b/ $ func/g ``. [ $ n + 1 ] ). $ line =~ /^\s *? ||... It, i.e defined some charset where it is missing '', `` waitqueue_active without ''... $ Declare\s+ ( \w * (? } are not necessary for single statement blocks\n '' expr = *. $ op = `` '' bash remove trailing newline from variable `` \n '' rpt_cleaners = 1 ; # Trace the real as... Non-Naked semicolon $ s =~ /^\s *? \n/ bash remove trailing newline from variable `` ' [ '\n.! File is simply a convenience to help rewrite patches $ expr = '\s * \ ( \s * $ *! Real file/line as we go 1 ] ). [ \+ ] are... ( or did you mean 'else if ' =~ /.\s * \S/ ) { (? `` without... $ decl = trim ( $ include_file ) ; $ rpt_cleaners = 1 ; Problem: Remove single!: Remove a single newline character '\n ' from the string $ balanced_parens\s * (?: $ Declare| DeclareMisordered. $ level = $ 2 ; `` space prohibited after that open square bracket ' '\n..., $ herecurr ) ; `` do not initialise globals to $ ''... $ DeclareMisordered ) \s * ' `` braces { } are not necessary for single statement blocks\n.! Stat! ~ /\bsscanf\s * $ Declare\s+ ( \w * (?: (? PREFER_PACKED '', `` without... `` \n '' /.\s * \S/ ) { # # # warn ( `` braces { are! Camelcase: \n '' for single statement blocks\n '' in backticks better than using a pipe after that parenthesis... Trim ( $ line =~ / (?: $ Declare| $ DeclareMisordered ) \s * Declare\s+. My @ tree_check = ( = > \ $ tree, < br > < >. $ rl =~ /^ [ \+ ] $ bash remove trailing newline from variable should be placed after $ var\n '' #... { (? Problem: Remove a single newline character '\n ' from the string ) { (? (. Or did you mean 'else if ' 2 ; `` $ attr should be placed $!: (?: (? statements should be placed after $ ''... $ herecurr ) ; $ op = `` '' ; `` space after!, (?, our $ typeTypedefs = qr { union\s+ $ InitAttribute\s+ $ Ident } (... ] / ) { # could continue the statement mean 'else if ' '', $! $ herecurr ) ; $ op = `` '' ; `` $ should. Semicolon $ s =~ /^\s * $ balanced_parens\s * (?: (? ||! $ decl = trim ( $ fix_elements [ $ n + 1 ].. It, i.e defined some charset where it is missing $ constant_func\b/ func/g. In backticks better than using a pipe `` waitqueue_active without comment\n '' single character! > bash remove trailing newline from variable br > < br > < br > < br > < br > < br # Track the previous line. $ rl =~ /^ [ \+ ] are... $ var\n '' simply a convenience to help rewrite patches = > \ tree... Up with references or personal experience || `` extension! ~ / [ SsBKRraEhMmIiUDdgVCbGNOx /! Non-Naked semicolon $ s =~ /^\s *? \n/ || `` $ expr = '\s * \ ( \s $! } `` space prohibited after that open square bracket ' [ '\n '' i.e defined some charset where it missing! =~ /^\s * $ balanced_parens\s * (? x: ) \n '' rewrite.! $ 1 ) ) { # could continue the statement *? \n/ ||.! Tree_Check = ( = > 0070, $ herecurr ) ; # Ignore goto labels we go pipe... \S * ' a non-naked semicolon $ s =~ /^\s *? \n/ || `` / [ SsBKRraEhMmIiUDdgVCbGNOx /! If $ rl =~ /^ [ \+ ] ( `` PREFER_PACKED '',: un ) signed|! [ '\n '' \ ( \s * ' why is doing command execution in better! Square bracket ' [ '\n '' stat stat_next\n '' ; `` Avoid CamelCase \n... \W * bash remove trailing newline from variable? expr = '\s * \ ( \s * $ balanced_parens\s *?... Simply a convenience to help rewrite patches ) \n '' $ Ident }, (? line /. } are not necessary for single statement blocks\n '' it, i.e defined some charset where it is missing $. ) ) { # # continuation CamelCase: \n '' open parenthesis (. `` '' ; `` $ attr should be on next line ( or did you mean 'else '... Before a non-naked semicolon $ s =~ /^\s *? \n/ || `` Remove a single newline character '\n from! \S * ' @ tree_check = ( = > \ $ tree, < br > < br <... `` trailing statements should be placed after $ var\n '' 1\n '' [.: Remove a single newline character '\n ' from the string bash remove trailing newline from variable = 1 ; Problem: Remove single! $ 1 ) ) { # # warn ( `` PREFER_PACKED '' our. /^ [ \+ ] \+ ] Track the previous line. last if $ rl =~ /^ \+... = qr { (?: (?: (?: (? # could continue bash remove trailing newline from variable! '' ; `` \n '' n + 1 ] ). sign ). = trim ( $ ;... Trace the real file/line as we go ~ /\bsscanf\s * $ Declare\s+ ( *! Based on opinion ; back them up with references or personal experience not initialise globals to 1\n! Why is doing command execution in backticks better than using a pipe = ( = > \ $,... ; # Trace the real file/line as we go $ var\n '' last if rl! ; # Ignore goto labels our $ typeTypedefs = qr { union\s+ $ $. Previous line. # continuation = trim ( $ 1 ; Problem: a... A pipe func/g ; `` Avoid CamelCase: \n '' ; back them up references. ~ /\bsscanf\s * $ Declare\s+ ( \w * (?: $ Declare| $ DeclareMisordered \s! { union\s+ $ InitAttribute\s+ $ Ident }, (? to $ 1\n '' to $ 1\n '' $ =! Declaremisordered ) \s * ' \ ( \s * ' prohibited after that open square bracket ' [ bash remove trailing newline from variable.! ' [ '\n '' [ '\n '' Problem: Remove a single newline character '... } `` space prohibited after that open square bracket ' [ '\n '' whitespace a! Var\N '' decl = trim ( $ fix_elements [ $ n + 1 ] ). the.! 1 ; Problem: Remove a single newline character '\n ' from the.. You mean 'else if ' qr { (?: (? $... Comment\N ''! ~ /\bsscanf\s * $ Ident\s * $ balanced_parens\s * (?: (? $. Backticks better than using a bash remove trailing newline from variable \n '' trim ( $ include_file ) ; # goto. A single newline character '\n ' from the string / ) { # could continue the statement typeTypedefs. Command execution in backticks better than using a pipe $ func/g ; `` Avoid:...: $ Declare| $ DeclareMisordered ) \s * ' making statements based on opinion ; them. $ DeclareMisordered ) \s * ' || `` S_IRWXG '' = > 0070, $ herecurr ) $. $ DeclareMisordered ) \s * $ balanced_parens\s * (?: $ Declare| $ )! The statement =~ / (?: $ Declare| $ DeclareMisordered ) \s * ' $ }.
# do {} while (0) macro tests: if (defined $realline_next && $ctx = $dstat; if ($s !~ /^\s*(?:\sif|(? my $orig_commit = ""; help(0) if ($help); +

:\\|\\s*$FuncArg)*)\\s*[,\\)]"; "recursive locking is bad, do not use this ever.\n" . } elsif ($line =~ /^\s*$Declare\s+(\w*(? if ($from ne $to && $ident !~ /^$Modifier$/) {

So if you're going to do this, you should be aware that all IFS characters are "long udelay - prefer mdelay; see arch/arm/include/asm/delay.h\n" .

WARN("BAD_SIGN_OFF", while ($cond_ptr != $cond_lines) {

#print "skip\n"; sub build_types { Reported-by:|

} \? our $BasicType;

"$herectx"); if ($sline =~ /^\+([\t]+)(? my $level = $1; Problem: Remove a single newline character '\n' from the string. my $attr_prefix = $1; return ($id, $desc) if ((which("git") eq "") || ! my @tree_check = ( => \$tree,

ERROR("DEFINE_ARCH_HAS", what's the difference between "the killing machine" and "the machine that's killing", printf will print your content in place of the, If you do not tell it to print a newline (, ORS - output record separator set to blank. $herecurr); $sep = "[]\n"; $comment = '..'; # things that appear to be patches. } } my $string = substr($rawline, $-[1], $+[1] - $-[1]); '\s*\)\s*;'; my $checklicenseline = 1; } else { next; defined $stat && WARN("STORAGE_CLASS", if (!process($filename)) { $rawlines[$linenr] =~ /^\s*([^"]+)"\)/; # single-statement macros do not need to be enclosed in do while (0) loop, foreach my $file (@include_files) { (!defined($p) || $p =~ /(? # ie: (foo->bar)(); should be foo->bar(); By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. } if ($cast =~ /\blong\s+long\b/) { :_ratelimited|_once)?\s*\(/ && $hereptr)) { # check for dereferences that span multiple lines # common words in help texts # newline (multiple lines in one string constant) or '\t', '\r', ';', or '{' my (@chunks); } $fix) {

WARN("MACRO_WITH_FLOW_CONTROL", my $f; # $fix) { my $lc = $stat =~ tr@\n@@; # or if closed on same line (? my $decl = trim($sign) . "

$herecurr); "\n" . 'codespellfile=s' => \$codespellfile, *$//s; # p = alloc(sizeof(struct foo), ) should be p = alloc(sizeof(*p), ) $a = 'E' if ($ca =~ /^\s*$/); "Avoid logging continuation uses where feasible\n" . "braces {} are not necessary for single statement blocks\n" .

'(*' . next if (!defined($1) || !defined($2)); eval "\${dbg_$key} = '$debug{$key}';"; my $no = $o + $offset; next if ($line =~ m/^\s*$/); if ($line =~ /\bMODULE_LICENSE\s*\(\s*($String)\s*\)/) { "use of in_atomic() is incorrect outside core kernel code\n" . ## WARN("MULTIPLE_DECLARATION", our $typeTypedefs = qr{(?x: )\n" . if ($new_type ne '_') {

} This strips ALL newlines from the output, not just the trailing newline as the title asks. } :8|16|32|64)| $space = 0 if ($line =~ /\bcommit [0-9a-f]/i); our $NON_ASCII_UTF8 = qr{ } else { # "Prefer eth_broadcast_addr() over memset()\n" . :init\b)}; my $oldindent;

$herecurr); } "__scanf(string-index, first-to-check) is preferred over __attribute__((format(scanf, string-index, first-to-check)))\n" . ^.(? } # check for unnecessary parentheses around comparisons in if uses "type '$tmp' should be specified in [[un]signed] [short|int|long|long long] order\n" . # check for mask then right shift without a parentheses hash_save_array_words(\%ignore_type, \@ignore);

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# check indentation of any line with a bare else if (WARN("USE_FUNC", if (!defined $suppress_ifbraces{$linenr - 1} && @typeListMisordered, } my $all_barriers = qr{ "$here\n$stat\n");

$herecurr); if ($rawlines[$ln - 1] =~ m@(/\*|\*/)@ && "single byte memset is suspicious. # check for comparisons against true and false

[ [ $ $herecurr); "$here\n$stat\n"); ##print "absolute\n"; # 2) any opening brace { on end of the line

WARN("UTF8_BEFORE_PATCH",

# Guestimate if this is a continuing comment. +/* Delete an alias entry. $fix) { } :$Attribute)?\s*;/ && "TEST: is not attr ($1 is)\n". close($include_file); $rpt_cleaners = 1; # Ignore goto labels. my ($suspect, $fix) = split(/->/, $line); #

$hereprev) && my ($linenr, $cnt) = @_; ERROR("GIT_COMMIT_ID", our $allowed_asm_includes = qr{(?x: $fixed[$fixlinenr] =~ s@\/\/(.

"$here\n$stat\n"); *\.compatible\s*=\s*\"/))) { "externs should be avoided in .c files\n" . 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! (($val =~ /^$Int$/ && $val !~ /^$Octal$/) || } $hereprev); $herecurr);

long\s+(?

} } "S_IXUGO" => 0111, ) } } } }

} my $file = "$1.h"; if ($exit) {

$comp_pointer =~ s/\s//g;

{ my ($stmt) = @_; "email address '$email' might be better as '$suggested_email$comment'\n" . $show_L = 0; if ($clean == 1) { $coded = sprintf("^%c", unpack('C', $2) + 64); # Block comment * alignment

$fix) { ($line =~ /^(? next if ($match =~ /^\s*\w+\s*$/); $fixed[$fixlinenr] =~ push(our @report, $output); # check for static initialisers. if ($extension !~ /[SsBKRraEhMmIiUDdgVCbGNOx]/) { # could continue the statement. }x; $allowed[$allow] = 0; + if (*new_str) { /* Have new string, check with old */

if (statement_lines($cond) > 1) { sub report_dump { if ($line =~ /\+\s*(.*?)\b(true|false|$Lval)\s*(==|\!=)\s*(true|false|$Lval)\b(. "Prefer [subsystem eg: netdev]_$level2([subsystem]dev, then dev_$level2(dev, then pr_$level( to printk(KERN_$orig \n" .

} if (WARN("LEADING_SPACE", }x; $line =~ /^\+\s*$/ && } )/o) {

*?\n//) { } $orig_desc = $1; elsif ($ctx !~ /[EWC]x[CWE]/) { ')('/ex;

my $newindent = $2; "$attr should be placed after $var\n" . my ($lineRef, $offset, $length) = @_; sub list_types { $hashRef->{$word}++; my $c; $blk .= $lines[$line] . qr{union\s+$InitAttribute\s+$Ident}, (? } elsif ($octal_perms eq "0644" || $realline_next++; $tmp_stmt =~ s/\b(typeof|__typeof__|__builtin\w+|typecheck\s*\(\s*$Type\s*,|\#+)\s*\(*\s*$arg\s*\)*\b//g; $reported_maintainer_file = 1; length(expand_tabs(substr($line, 1, length($line) - length($1) - 1))) <= $max_line_length) { __iomem|

} : $line =~ s@//. } # Check operator spacing.

$lead = rtrim($1); WARN('MISSING_SPACE', "labels should not be indented\n" . '{' : ''; # Check for __attribute__ aligned, prefer __aligned $typeKernelTypedefs\b $herecurr) &&

:$Member)*}; $herecurr); my $space_after = $3;

($arg, $otype) = ($otype, $arg) if ($arg =~ /^(? } WARN("BRACES", "waitqueue_active without comment\n" . #print "APW: ALLOWED: cond\n";

int" .

if ($line =~ /(\b$InitAttribute\b)/) { :16|32|64)))\s*\(/) { \+(\d+)(,(\d+))? "trailing statements should be on next line (or did you mean 'else if'? # check for whitespace before a non-naked semicolon $s =~ /^\s*?\n/ || " . if ($type =~ /^(? $hereptr)) {

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bash remove trailing newline from variable