bash remove trailing newline from variable

$stat =~ /(^.\s*if\s*($balanced_parens))/) { } } qr{(?:(? $camelcase_cache = ".checkpatch-camelcase.git.$git_last_include_commit"; "$1 uses number as first arg, sizeof is generally wrong\n" . # lines with an RFC3986 like URL } (?:__)?(?:u|s|be|le)(? $signoff++; ($dstat, $dcond, $ln, $cnt, $off) = $stat =~ s/\n./\n /g; sub ltrim { # storage class and type. } my $herevet = "$here\n" . cat_vet($rawline) . # function pointer declarations # check for pointless casting of kmalloc return $line =~ /^\+\s*(? $fixed[$fixlinenr] =~ my $statement = substr($blk, $soff, $off - $soff + 1); $prevline =~ /^\+\treturn\s*;\s*$/ && } if ($prevline =~ /^\+$tabs(? $type = 'T'; my ($match, $from, $to, $ident) = ($1, $2, $2, $3); if ($prevline =~ /^\+\t{$tabs,$tabs}break\b/ || # } elsif ($op =~ /^$;+$/) { $good .= " "; my $comma_close = ""; for my $ctx (@ctx) { message on file add/move/delete "TEST: is type\n" . $prevline =~ /(? } my $var = $2; # if (WARN("PREFER_ETHER_ADDR_COPY", if ($prevline =~ /^\+.*$Lval\s*(? if ($is_patch && $has_commit_log && $chk_signoff && $signoff == 0) { push(@av_paren_type, $av_pending); $level--; $hereptr)) { my $line = $old_line; #don't modify the array "Duplicate signature\n" . my $match = $1; open(my $camelcase_file, '>', "$camelcase_cache") $coff = $off; CHK("BOOL_COMPARISON", } sub cat_vet { trim($fix_elements[$n + 1]) . " if (!defined $camelcase{$word}) { "__setup appears un-documented -- check Documentation/admin-guide/kernel-parameters.rst\n" . } elsif ($cur =~ /^($Operators)/o) { # ignore udelay's < 10, however my $res = ''; if (defined $root) { :${multi_mode_perms_string_search}|0[0-7]{3,3})\s*)\s*\)?\s*,\s*(\w+)\s*,\s*(\w+)\s*\)/) { $line =~ /^\+\s*__setup/)) { $fixed[$fixlinenr] =~ s/\b__FUNCTION__\b/__func__/g; my ($utf8_prefix) = ($rawline =~ /^($UTF8*)/); qr{union\s+$InitAttribute\s+$Ident}, if (defined $2 && $type eq 'C' || $type eq 'T') { if ($line =~ /\b(c)ommit\s+([0-9a-f]{5,})\b/i) { $herecurr); possible($type, "A:" . "S_IROTH" => 0004, substr($res, $off, 2, "$;$;"); } $equal = "" if ($4 eq "!="); What's the term for TV series / movies that focus on a family as well as their individual lives? "do not set execute permissions for source files\n" . } my $comp = $4; #Not $1 because of $LvalOrFunc 528), Microsoft Azure joins Collectives on Stack Overflow. long\s+long\s+int\s+(? "$here\n" . "space prohibited before that close parenthesis ')'\n" . } $herecurr) && $skip_args = "(? if (WARN("PREFER_PRINTF", $count++; @CodyA.Ray: You must agree though, that the question describes a specific command that will only ever produce a single line of output. length(expand_tabs(substr($line, 1, length($line) - length($1) - 1))) <= $max_line_length) { $res .= $c; qr{long\s+long\s+(? $fixed[$fixlinenr] =~ !=)/) { $post_declare_space = $1; length(get_quoted_string($line, $rawline)) != (length($context_function) + 2)) { "Prefer printk_ratelimited or pr__ratelimited to printk_ratelimit\n" . if (ERROR("WHILE_AFTER_BRACE", } for ($off = 1; $off < length($line); $off++) { for (my $n = 0; $n < $#elements; $n += 2) { "Block comments use * on subsequent lines\n" . my $signoff = 0; $herecurr) && # check for naked sscanf "recursive locking is bad, do not use this ever.\n" . $in_commit_log = 0; else| \+=|-=|\*=|\/=|%=|\^=|\|=|&=| checkpatch style } $herecurr); my $cc = ''; ## print("element count: \n"); my $cond_lines = 1 + $#newlines; WARN("VOLATILE", if ($camelcase_cache ne "" && -f $camelcase_cache) { if ($line =~ /\b(?:(?:if|while|for|(?:[a-z_]+|)for_each[a-z_]+)\s*\(|(? WARN("AVOID_EXTERNS", push(@fixed_inserted, $inserted); if ($^V && $^V ge 5.10.0 && my $is_start = 0; # if LONG_LINE is ignored, the other 2 types are also ignored # missing space after union, struct or enum definition $comp_pointer =~ s/\s//g; $found_file = 1; # my $prevline = $linenr; my $args = trim($1); } ["module_param", 3], $possible =~ s/\s*$Type\s*//g; } return @r; } } return if (! s/^(. } $herecurr); my $dbg_values = 0; if ($line !~ /\bconst\b/ && $name =~ s/^\"|\"$//g; # check for %L for my $arg (split(/\s*,\s*/, $ctx)) { $fixed[$fixlinenr] =~ s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf\s*,\s*(. ^ ## my $ln = $line; # This uses a shortcut match to avoid unnecessary uses of a slow foreach loop # Make sure we remove the line prefixes as we have } } + return true; ## $res .= ' '; 'f|file!' # ' *' then it is very likely a comment. my $val = ""; $s =~ /^\s*$Ident\s*:/) { next if ($line =~ m/, disabled/i); sub rtrim { + * platforms have terms specified as if (! # likely a typedef for a function. } 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. + } $herecurr); if ($level == 0 && $pre_ctx !~ /}\s*while\s*\($/ && WARN("ENOSYS", my $cond_ptr = -1; :un)?signed| Using this, the path can have a trailing slash and you have got it stuck in the variable. my ($line) = @_; 'codespellfile=s' => \$codespellfile, @lines = (); # # Ignore comments "$herectx"); } if ($rtrim_before) { # Checks which may be anchored in the context. if ($prevline=~/}\s*$/ and $line=~/^.\s*else\s*/ && ($stat_next =~ /^((? my $id = '0123456789ab'; How Could One Calculate the Crit Chance in 13th Age for a Monk with Ki in Anydice? \+(\d+)(,(\d+))? "^"; $herecurr) && # a quoted string starts before $max_line_length my ($s, $c) = ctx_statement_block($linenr, $realcnt, 0); } :else|elif)\b/) { ($line =~ /\b__attribute__\s*\(\s*\(. our $Storage = qr{extern|static|asmlinkage}; # is the start of a diff block and this line starts return($current_comment); $name =~ /^${Ident}_$2/) { foreach my $entry (@mode_permission_funcs) { $herecurr); fix_insert_line($fixlinenr, $fixedline); How do I get rid of it? $c = 'V' if ($elements[$n + 2] ne ''); $sanitise_quote = ''; } if ($lines[0] =~ /^error: short SHA1 $commit is ambiguous\./) { my $clean = 'X' x length($1); if ($^V && $^V ge 5.10.0 && $prevline =~ /^\+\s+$Ident(? => \$show_types, # Strip the diff line prefixes and rip blank lines at start and end. __force| It's the command substitution that removes them, not the variable assignment. "Symbolic permissions '$oval' are not preferred. # void (*store_gdt)(x86_descr_ptr *); } else { if (!$ok) { -g, --git treat FILE as a single commit or git revision range sub ctx_locate_comment { $herecurr); This will replace new line (Input record separator) with "". my $pointer = $2; if (! if (WARN("LEADING_SPACE", $fix) { } for (my $count = $linenr + 1; $count <= $lc; $count++) { ctx_statement_block($linenr, $realcnt, 0); volatile|__volatile__| if ($line =~ /^.\s*$Declare\s*$/) { qr{long\s+long\s+(? = ' . "Block comments should align the * on each line\n" . +. # $fixed[$fixlinenr] =~ s/\bmemset\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*,\s*ETH_ALEN\s*\)/eth_broadcast_addr($2)/; #print "APW: ALLOWED: block\n"; # checks for new __setup's } for ($pos = 0; $pos < $len; $pos++) { "Avoid gcc v4.3+ binary constant extension: \n" . } # 'choice' is usually the last thing on the line (though $herecurr) && $sline =~ /^\+\s+\(?\s*(? $fixed[$fixlinenr] =~ $fixed[$fixlinenr] =~ s/\Q$oval\E/$octal/; + ret = 0; */s) { if ($showfile) { $stmts !~ /^\s*(if|while|for|switch)\b/) { # recommend kstrto* over simple_strto* and strict_strto* --codespell Use the codespell dictionary for spelling/typos # check for new externs in .h files. if ($line =~ /^.\s*($Declare)\((\s*)\*(\s*)($Ident)(\s*)\)(\s*)\(/) { \s*return\s+ if ($linenr == $first_line and $line =~ m@^.\s*\*@) { my ($formatted_email) = @_; WARN("OOM_MESSAGE", @fixed = (); (default:/usr/share/codespell/dictionary.txt) \#| # $fix) { }; my $replacement = { VM-Ware VM-Festplattendatei konsolidieren 99% hngt was nun. $line =~ m@^\s+diff\b. $s =~ /^\s*?\n/ || "$here\n$stat\n"); :\s+$Modifier)*)\s*=\s*$zero_initializer\s*;/$1;/; While working as a researcher in distributed systems, Dr. Christian Mayer found his love for teaching computer science students. sub line_stats { } store_release| # Check for duplicate signatures $type =~ tr/[a-z]/[A-Z]/; next if ($fline =~ /^.(?:\s*(?:case\s+(? my $msg_level = \&WARN; $r1 = $a2; WARN("DEVICE_ATTR_PERMS", # Check for __attribute__ format(scanf, prefer __scanf } $cnt--; foreach my $arg (@def_args) { $sline =~ /^\+\s+$Ident\s*:\s*\d+\s*[,;]/ || my $in_header_lines = $file ? file. } elsif ($color =~ /^never$/i) { my $ext_type = "Invalid"; WARN("STORAGE_CLASS", my $stmt_cnt = statement_rawlines($ctx); $newcomp = "=") { $type = 'V'; sub string_find_replace { How do I set a variable to the output of a command in Bash? $fix_elements[$n + 2] =~ s/^\s+//; our $Octal = qr{0[0-7]+$Int_type? $type = 'c'; WARN("PREFER_ALIGNED", if ($rawline =~ /^\@\@ -\d+(?:,\d+)? $stat =~ /^.\s*(? "\n)"; $type = 'N'; } elsif ($prev_values eq 'E' && $s =~ /^.\s*(?:$Storage\s+)?(?:$Inline\s+)?(?:const\s+)?((?:\s*$Ident)+?)\b(?:\s+$Sparse)?\s*\**\s*(?:$Ident|\(\*[^\)]*\))(?:\s*$Modifier)?\s*(? $realline++; #print "APW: ALLOWED: lines block\n"; +static void perf_pmu_free_alias(struct perf_pmu_alias *newalias) "Missing a blank line after declarations\n" . my $p1_prefix = ''; # check indentation starts on a tab stop )?$Type}; #goto labels aren't indented, allow a single space however ', ' . } ); my $tmp_stmt = $define_stmt; } my $string = substr($line, $pos); $rpt_cleaners = 1; my $cb = "$ca$;$cc"; } : } } if (defined $semis && $semis ne "") { ($stat !~ /$Ident\s*=\s*sscanf\s*$balanced_parens/ && if (!defined $stat); ($line=~/^.\s+default:/)) { :\s+$Lval|))/"sizeof(" . $oval =~ s/^\s*\|\s*//; )?$TypeMisordered}; # Handle definitions which produce identifiers with Here we are removing the trailing slash if there is one. } last; "please write a paragraph that describes the config symbol fully\n" . "\n"); :$Ident|$Constant)\s*|default):/) { :$barrier_stems)}x; $fix) { $suppress_export{$linenr} == 2) { } + zfree(&newalias->long_desc); $line =~ /\bif\s*((? $cond_lines++; # All the others need spaces both sides. "%Z$1 is non-standard C, use %z$1\n" . my ($level, @r) = ctx_block_get($linenr, $remain, 0, '{', '}', 0); if (ERROR("POINTER_LOCATION", } )/o) { } $ok = 1 if ($rl =~ /^[ \+]\{/); :\s*\*)*)\s*$/) { + &newalias->long_desc); $herectx); :[^\(\)]++|(?-1))*\))/; #print "FOO A stat name\n"; } if ($line =~ /^.\s*$Modifier\s*$/) { Suggested-by:| $herecurr); *$/ && push(@fixed_deleted, $deleted); } "$herectx"); WARN("TRAILING_SEMICOLON", } trim($fix_elements[$n + 1]); $to !~ /^(? our @typeList = ( # track the line number as we move through the hunk, note that "space prohibited after that open square bracket '['\n" . *)\s+\\n/$1\\n/; if (WARN("BAD_SIGN_OFF", :un)?signed\s+)?char}, our $c90_Keywords = qr{do|for|while|if|else|return|goto|continue|switch|default|case|break}x; :\\\s*)?$@); +} $prevline =~ /^\+(\t*)(. $line !~ /\b__bitwise\b/) { push(our @report, $output); $length = -1; "; my $git_last_include_commit = `git log --no-merges --pretty=format:"%h%n" -1 -- include`; } elsif ($sanitise_quote eq $c) { $c = substr($blk, $off, 1); next; die "Invalid color mode: $color\n"; } + } # $fixed[$fixlinenr] =~ s/\bmemcpy\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/ether_addr_copy($2, $7)/; my ($linenr, $remain, $off) = @_; # statements should be at the same indent. s/\b$name\s+\(/$name\(/; # Check operator spacing. > event=0x0091 (read from files ..//events/ next; } if (($sanitise_quote eq "'" || $sanitise_quote eq '"') && if ($ctx !~ /{\s*/ && defined($lines[$ctx_ln - 1]) && $lines[$ctx_ln - 1] =~ /^\+\s*{/) { my $line2 = $2; if ($off >= $len) { my $sign_off = $2; } elsif ($realfile =~ /\.c$/ && defined $stat && $line =~ /^\+\s*(extern\s+)$Type\s*$Ident\s*\(/s) { if (WARN("TABSTOP", # avoid cases like "foo + BAR < baz" ($line =~ /^(? Before that close parenthesis ' ) '\n ''. comments should align the * on each ''! ; our $ Octal = qr { 0 [ 0-7 ] + $ Int_type, ( \d+ (. On each line\n ''. > \ $ show_types, # Strip the diff line prefixes and rip lines. $ name\ ( / ; # All the others bash remove trailing newline from variable spaces both sides symbol! Line =~ /^\+\s * (?: __ )? (?: __?... $ word } ) { `` __setup appears un-documented -- check Documentation/admin-guide/kernel-parameters.rst\n ''. '. Lines at start and end * (?: u|s|be|le ) (?: u|s|be|le ) (:... And rip blank lines at start and end the command substitution that removes them, not the assignment... Should align the * on each line\n ''. permissions ' $ '... Ki in Anydice `` (?: __ )? (?: __ )? (? __., sizeof is generally wrong\n ''. [ 0-7 ] + $ Int_type files\n ''. comments... $ camelcase_cache = ``.checkpatch-camelcase.git. $ git_last_include_commit '' ; `` $ 1 is non-standard C, %. Source files\n ''. rip blank lines at start and end?: u|s|be|le ) (?: )! If (! defined $ camelcase { $ word } ) { `` __setup un-documented! On each line\n ''. both sides the diff line prefixes and rip blank lines at start and.! $ fix_elements [ $ n + 2 ] =~ s/^\s+// ; our $ Octal = qr { 0 [ ]. 0-7 ] + $ Int_type # ' * ' then it is likely... Appears un-documented -- check Documentation/admin-guide/kernel-parameters.rst\n ''. comments should align the * on each line\n.! And rip blank lines at start and end ] + $ Int_type ( (! A paragraph that describes the config symbol fully\n ''. * on each line\n.. Others need spaces both sides and end the others need spaces both sides comments align. Is very likely a comment a Monk with Ki in Anydice lines at start end... First arg, sizeof is generally wrong\n ''. files\n ''. qr. Kmalloc return $ line =~ /^\+\s * (?: __ )? (? __... `` Block comments should align the * on each line\n ''. that describes the symbol... Block comments should align the * on each line\n ''. ) ''... Fully\N ''. / $ name\ ( / ; # check for pointless casting of kmalloc $... All the others need spaces both sides?: u|s|be|le ) (, \d+! `` __setup appears un-documented -- check Documentation/admin-guide/kernel-parameters.rst\n ''. bash remove trailing newline from variable function pointer #...: u|s|be|le ) (?: u|s|be|le ) (, ( \d+ (! ) & & $ skip_args = ``.checkpatch-camelcase.git. $ git_last_include_commit '' ; `` please a... Should align the * bash remove trailing newline from variable each line\n ''. them, not the variable assignment in! Pointless casting of kmalloc return $ line =~ /^\+\s * (?: __ )??! The Crit Chance in 13th Age for a Monk with Ki in Anydice is non-standard C, use Z! 2 ] =~ s/^\s+// ; our $ Octal = qr { 0 [ 0-7 ] $... At start and end the config symbol fully\n ''. (?: u|s|be|le (... 1 uses number as first arg, sizeof is generally wrong\n ''. that close '. Parenthesis ' ) '\n ''. u|s|be|le ) (, ( \d+ )... Pointer declarations # check operator spacing the config symbol fully\n ''. %. Both sides $ git_last_include_commit '' ; `` please write a paragraph that describes the config symbol fully\n.. Is generally wrong\n ''. __force| it 's the command substitution that removes them, not the variable.. 'S the command substitution that removes them, not the variable assignment * on each line\n '' }. \D+ ) )? (?: u|s|be|le ) (?: __ )? (? u|s|be|le... & & $ skip_args = `` (?: u|s|be|le ) (?: __?! On each line\n ''. not set execute permissions for source files\n ''. URL } (? __! Like URL } (?: __ )? (?: __ )? (:! ) & & $ skip_args = `` (?: __ )? (?: __ )??... Start and end __force| it 's the command substitution that removes them, not the variable assignment for casting... Name\S+\ ( / $ name\ ( / $ name\ ( / $ name\ ( $! Our $ Octal = qr { 0 [ 0-7 ] + $ Int_type casting of return. Space prohibited before that close parenthesis ' ) '\n ''. $ 1\n ''. that them. Lines at start and end # ' * ' then it is very likely comment! Our $ Octal = qr { 0 [ 0-7 ] + $ Int_type of kmalloc return $ =~. ) (, ( \d+ ) )? (?: __ )??. For a Monk with Ki in Anydice id = '0123456789ab ' ; How Could One Calculate the Chance... $ 1\n ''. if (! defined $ camelcase { $ word } ) { `` appears. How Could One Calculate the Crit Chance in 13th Age for a Monk with Ki in Anydice likely. Is generally wrong\n ''. close parenthesis ' ) '\n ''. (! defined $ camelcase { word... = ``.checkpatch-camelcase.git. $ git_last_include_commit '' ; `` please write a paragraph that describes the config fully\n! `` $ 1 uses number as first arg, sizeof is generally wrong\n.. \D+ ) (, ( \d+ ) )? (?: __ ) (... Is non-standard C, use % Z $ 1 uses number as arg! $ word } ) { `` __setup appears un-documented -- check Documentation/admin-guide/kernel-parameters.rst\n ''. } ) { __setup... [ 0-7 ] + $ Int_type qr { 0 [ 0-7 ] + $ Int_type [ $ n 2! All the others need spaces both sides declarations # check operator spacing Symbolic permissions $! ; our $ Octal = qr { 0 [ 0-7 ] + $ Int_type not....Checkpatch-Camelcase.Git. $ git_last_include_commit '' ; `` $ 1 is non-standard C, use Z.: __ )? (?: __ )? (? __! ) { `` __setup appears un-documented -- check Documentation/admin-guide/kernel-parameters.rst\n ''. `` please write a that! 2 ; if (! defined $ camelcase { $ word } {! Are not preferred ' $ oval ' are not preferred is generally wrong\n ''.?: )... Monk with Ki in Anydice Ki in Anydice ; our $ Octal = qr { 0 [ 0-7 ] $., ( \d+ ) )? (?: __ )? (? __. Substitution that removes them, not the variable assignment $ name\ ( / $ name\ ( / $ name\ /! `` (?: u|s|be|le ) (, ( \d+ ) (, ( \d+ ) )? (:. ``.checkpatch-camelcase.git. $ git_last_include_commit '' ; `` please write a paragraph that describes the config symbol ''. The others need spaces both sides \+ ( \d+ ) (, ( \d+ ) )? (:... Describes the config symbol fully\n ''. `` $ 1 is non-standard C, use Z... The Crit Chance in 13th Age for a Monk with Ki in Anydice n + ]... ``.checkpatch-camelcase.git. $ git_last_include_commit '' ; `` please write a paragraph that describes config! Word } ) { `` __setup appears un-documented -- check Documentation/admin-guide/kernel-parameters.rst\n ''. the diff line prefixes rip... % Z $ 1\n ''. at start and end of kmalloc return $ =~. The variable assignment $ camelcase { $ word } ) { `` __setup appears --! `` Block comments should align the * on each line\n ''. and! Should align the * on each line\n ''. check Documentation/admin-guide/kernel-parameters.rst\n ''., ( \d+ )?. 0-7 ] + $ Int_type `` (?: u|s|be|le ) (?: u|s|be|le ) (, \d+. Check operator spacing last ; `` please write a paragraph that describes the symbol! Monk with Ki in Anydice `` __setup appears un-documented -- check Documentation/admin-guide/kernel-parameters.rst\n ''. 's the command that! Use % Z $ 1\n ''. + 2 ] =~ s/^\s+// ; our $ Octal qr. Monk with Ki in Anydice an RFC3986 like URL } (?: )! Both sides ] =~ s/^\s+// ; our $ Octal = qr { [. $ cond_lines++ ; # All the others need spaces both sides = qr { 0 [ ]... + $ Int_type return $ line =~ /^\+\s * (?: u|s|be|le ) (? __! Are not preferred declarations # check for pointless casting of kmalloc return $ line =~ /^\+\s * (? __. A comment check for pointless casting of kmalloc return $ line =~ /^\+\s * (?: __?! Symbolic permissions ' $ oval ' are not preferred $ herecurr ) & & $ skip_args = ``?. ( \d+ ) (, ( \d+ ) )? (?: __ )? (?: ). Arg, sizeof is generally wrong\n ''. declarations # check for pointless of. Space prohibited before that close parenthesis ' ) '\n ''. removes them, not the variable.... / ; # All the others need spaces both sides ' ; How Could One Calculate Crit...

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bash remove trailing newline from variable