bash remove trailing newline from variable

exit($exitcode); WARN("DEEP_INDENTATION", my $in_commit_log = 0; #Scanning lines before patch $herecurr); } #print "FOO A stat name\n"; } EOM => \$check, } # check for unnecessary parentheses around comparisons in if uses } } if ($line =~ /\b(?:(?:if|while|for|(?:[a-z_]+|)for_each[a-z_]+)\s*\(|(? length(expand_tabs(substr($line, 1, length($line) - length($1) - 1))) <= $max_line_length) { } my $typo_fix = $spelling_fix{lc($typo)}; :un)?signed\s+)?int $herecurr); # Check for various typo / spelling mistakes my $omatch = $1; $line !~ /[\\]]/i && my $comment = trim($1); ")"/ex; $herecurr); # track the line number as we move through the hunk, note that WARN("STATIC_CONST_CHAR_ARRAY", if (WARN("BAD_SIGN_OFF", $ctx_skip-- if (!defined $lines[$ctx_ln - 1] || $lines[$ctx_ln - 1] !~ /^-/); } # is the start of a diff block and this line starts # Pick up the preceding and succeeding characters. qr{int\s+long\s+long\s+(? *?\/\*/ && #leading /* $typeOtherOSTypedefs\b| my $comma_close = ""; $octal_perms eq "0200") { my $msg_level = \&WARN; ## } ERROR("MULTISTATEMENT_MACRO_USE_DO_WHILE", :un)?signed}, # if (WARN("PREFER_ETHER_ADDR_COPY", # check for spaces between functions and their parentheses. $orig_desc = $1; my $suppress_statement = 0; } if ($^V && $^V ge 5.10.0 && "$herectx"); substr($ctx, 0, $name_len + 1, ''); $fix) { MODULE_[A-Z_]+| if ($ctx =~ /Wx[BE]/ || my $space_after = 0; s/\b(if|while|for|switch)\(/$1 \(/; if (! if ($ctx !~ /[WEBC]x./ && $ca !~ /(? \s*0[xX][0-9]+\s* If you specifically need to remove only newline characters, pass the '\n' character as an argument to string.rstrip('\n'). :endif))/o) { + &newalias->metric_expr); # no volatiles please if (ERROR("INITIALISED_STATIC", # foo bar; where foo is some local typedef or #define } my $cast = $1; to bare use of '$sign" . # Get the full operator variant. $remain_next, $off_next); :\)|!|~|\*|-|\&|\||\+\+|\-\-|\{)$/) { (? *)\)/ || my $av_pending; $fixed[$fixlinenr] =~ :\s*\)+\s*|\s*)[;:,]/) { defined $stat && } "unknown module license " . "that open brace { should be on the previous line\n" . "usleep_range is preferred over udelay; see Documentation/timers/timers-howto.txt\n" . our $mode_perms_search = ""; } $herecurr); substr($curr_vars, $off, 1); print "CASE($1)\n" if ($dbg_values > 1); } $fix) { $word =~ s/\s+/ /g; if (!defined $stat); WARN("SPACING", or warn "$P: Can't write '$camelcase_cache' $!\n"; my $count = 0; sub WARN { => \$chk_signoff, # $fixed[$fixlinenr] =~ s/\bmemset\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*,\s*ETH_ALEN\s*\)/eth_broadcast_addr($2)/; __safe| if ($camelcase_cache ne "" && -f $camelcase_cache) { $type = 'N'; my $c; my $stashrawline=""; our @report; for (my $count = $linenr; $count <= $lc; $count++) { $dequoted =~ s/" ; while ($file =~ s@^[^/]*/@@) { $herecurr); trim($r2)/e; "$here\n$stat\n"); :un)?signed}, # Make $define_stmt single line, comment-free, etc if ($line =~ /^.\s*__initcall\s*\(/) { my $newfile = $filename; $line !~ /^.\s*$Declare\s. $good = rtrim($fix_elements[$n]) . " if (WARN("UNNECESSARY_KERN_LEVEL", # the context looking for a comment "edge". $fix) { my ($possible, $line) = @_; my $here = ''; my $reported_maintainer_file = 0; my $test = "\\b$func\\s*\\(${skip_args}($FuncArg(? return 0; $output .= "$type:"; (? my $pos = 0; fix_delete_line($fixlinenr, $rawline); # the whole statement. return 1; } elsif ($sline =~ /\s*($String(?:\s*(?:\\|,\s*|\)\s*;\s*))? :\s*\d+\s*(,|=|;))?/) { $herecurr); The Zone of Truth spell and a politics-and-deception-heavy campaign, how could they co-exist? Two parallel diagonal lines on a Schengen passport stamp. # Remove C99 comments. } else { } "Logical continuations should be on the previous line\n" . --color[=WHEN] Use colors 'always', 'never', or only when output my $tested = quotemeta($1); ($lines[$realline_next - 1] =~ /EXPORT_SYMBOL.*\((. {)/) { } It's your fault if there's no backup or git (?:$Storage\s+)?(?:[A-Z_][A-Z0-9]*_){0,2}(?:DEFINE|DECLARE)(? :true|false)$/) { if ($fixedline !~ /^\+\s*$/) { # check for misordered declarations of char/short/int/long with signed/unsigned } elsif ($sline !~ /\bconst\s+\Q$found\E\s+const\s+\w+\s*\[/) { if (is_maintained_obsolete($realfile)) { &{$msg_level}("AVOID_BUG", So instead of messing around with that let us just make sure it does not have one. if ($rawline =~ /\b__setup\("([^"]*)"/) { # p = alloc(sizeof(struct foo), ) should be p = alloc(sizeof(*p), ) $hereptr)) { *$/ && last; # conditional. trim($fix_elements[$n + 1]) . " } my $newshow = "$show"; fix_delete_line($fixlinenr, $rawline); } #print "APW: ALLOWED: cond\n"; } ($line =~ /^\s*(? our $Compare = qr{<=|>=|==|!=|}; #warn "CONDITION\n"; # number of false positives, but assembly files are not checked, so at }x; if ($rawline=~/^\+\+\+\s+(\S+)/) { if ($realfile =~ m{^arch/}) { my $asminclude = `grep -Ec "#include\\s+" $root/$checkfile`; "do not set execute permissions for source files\n" . print "$linenr > .$outline\n"; "S_IXUGO" => 0111, if ($line =~ /(\bif\s*|)(\(\s*$Ident\s*(? ## $prevrawline =~ /^.\s*$/) { "vendor-prefixes.txt"; trim($fix_elements[$n + 1]); } my $goodtabindent = $oldindent . This will have a small $output .= RED; my ($level, $endln, @chunks) = $herecurr); trim($fix_elements[$n + 1]); $rawline =~ m@^\+([ \t]*)\*@; + * present merge both of them to combine all information. $line =~ /__lockdep_no_validate__\s*\)/ ) { %suppress_export = (); long\s+long\s+int\s+(? return $res; $l =~ s/\\$//; my $delay = $1; $string =~ s/$find/$replace/g; ctx_statement_block($linenr, $remain, $off); + ret += scnprintf(newval + ret, sizeof(newval) - ret, $length = -1; $define_stmt =~ s/\s+/ /g; if ($line =~ /^.\s*($Declare)\((\s*)\*(\s*)($Ident)(\s*)\)(\s*)\(/) { qr{long\s+long\s+(? my $herevet = "$here\n" . my $rename = ""; if (statement_lines($cond) > 1) { $herecurr); } else { $lc = $lc + $linenr; if (WARN("TYPECAST_INT_CONSTANT", } print "$vname\n"; $typeC99Typedefs\b| $dstat !~ /^'X'$/ && $dstat !~ /^'XX'$/ && # character constants "S_IROTH" => 0004, } } my $all = "(?x: \n" . my $camelcase_seeded = 0; $good = $fix_elements[$n] . " if (&{$msg_level}("TYPO_SPELLING", *\bdo\b//; $fixed[$fixlinenr] = "$stat_real\n"); > tx_nc_tend -> 'cpum_cf'/'event=0x008d two done load_acquire| # in a known good container } "missing space after $1 definition\n" . my $delta_offset = 0; How do I iterate over a range of numbers defined by variables in Bash? } "usage of NR_CPUS is often wrong - consider using cpu_possible(), num_possible_cpus(), for_each_possible_cpu(), etc\n" . print "FUNC($1)\n" if ($dbg_values > 1); $fix) { EOM $output .= GREEN; $hereptr)) { "Too many leading tabs - consider code refactoring\n" . my $context_function; #undef'd unless there's a known function my $stmts = $2; $fixed[$fixlinenr] =~ s/\(\s*\Q$const\E\s*$Compare\s*\Q$to\E\s*\)/($to $newcomp $const)/; :un)?signed| next; $type = 'V'; # Check for user-visible strings broken across lines, which breaks the ability $msg_type = ""; $newstore = "${var}_store" if ($store ne "NULL" && $store ne "${var}_store"); $sline !~ /}/) { Finxter aims to be your lever! } $compat2 =~ s/\,[a-zA-Z0-9]*\-/\,\-/; } else { # << and >> may either have or not have spaces both sides sub read_words { # "Prefer ether_addr_copy() over memcpy() if the Ethernet addresses are __aligned(2)\n" . } s/^(.\s*)$Declare\s*\(\s*\*\s*$Ident\s*\)\s*\(/$1 . WARN("BLOCK_COMMENT_STYLE", $off--; $pre_pointer_space =~ /^\s/) { "$1 is obsolete, use k$3 instead\n" . $good = rtrim($fix_elements[$n]) . my $line; my @array = split(/,/, join(',', @$arrayRef)); if ($line =~ /(\b$InitAttribute\b)/) { open(my $camelcase_file, '>', "$camelcase_cache") } *\)\{/ && $line !~ /\($Type\)\{/) || $hereprev) && } if ($^V && $^V ge 5.10.0 && trim($fix_elements[$n + 1]) . " } while ($cnt) { # check for MAINTAINERS entries that don't have the right form } # so just keep quiet. list_types(0) if ($list_types); } $rawline !~ m@^\+.*/\*. ($line =~ /^ mode change [0-7]+ => [0-7]+ \S+\s*$/ || + perf_pmu_update_alias(a, newalias); $herecurr); cat_vet($rawline) . :config|menuconfig|choice)\b/) { } Swapped 2nd/3rd argument?\n" . $prevrawline =~ m@^\+([ \t]*/? # "joe smith ]+>$/) { How to tell if my LLC's registered agent has resigned? } if ($s =~ /^\s*\#\s*(? "]\n"; my $offset = } else { #warn "'*' is part of type\n"; $commit_log_possible_stack_dump = 1; "$herectx"); our $Modifier; if ($mailback && ($clean == 1 || !$is_patch)) { :$Storage\s+)?${Type}\s+uninitialized_var\s*\(| my $newcomp = $comp; :^|\s)(/\S*)}g) { # bitfield continuation $newindent ne $goodspaceindent) { } } } "patch prefix '$p1_prefix' exists, appears to be a -p0 patch\n"); $line = sanitise_line($rawline); :\s+$Sparse)*\s*\**\s*(:?\b$Ident)?$/s || $arg =~ /^($Ident)$/s) { WARN("AVOID_EXTERNS", "S_IXOTH" => 0001, } $herecurr); WARN("EXPORT_SYMBOL", $line =~ m/\b(? "missing space after return type\n" . $herecurr . 'ignore=s' => \@ignore, if ($line =~ /\bjiffies\s*$Compare|$Compare\s*jiffies\b/) { $herevet) my $path = $1; my $call = $1; if ($rtrim_before || $space_after) { $herecurr); sub sanitise_line_reset { } hash_save_array_words(\%use_type, \@use); HTH. if ($err ne '') { $signatures{$sig_nospace} = 1; } } elsif ($comp eq "<=") { } "Exporting world writable files is usually an error. ##print "COMMENT:$in_comment edge $rawline\n"; #print "FOO C name\n"; "\%L$1 is non-standard C, use %ll$1\n" . # Also ignore a loop construct at the end of a +} $in_commit_log = 0; # check for simple sscanf that should be kstrto $sline =~ /^\+\s+$Declare\s*\(\s*\*\s*$Ident\s*\)\s*[=,;:\[\(]/ || $remain--; $fix) { $possible =~ s/\s*$Storage\s*//g; # check for static initialisers. + if (ret) return 1; } Options: } my $address = ""; $herecurr) && "Using weak declarations can have unintended link defects\n" . my $lines = `git log --no-color --no-merges --pretty=format:'%H %s' $git_range`; sub fix_inserted_deleted_lines { 'codespell!' my $cast; $s); } if (defined $cond) { $fixed[$fixlinenr] =~ s/(\bstatic\s.*? } if (WARN("BAD_SIGN_OFF", ($edge) = $1; #abstract Print lines without newline, add a newline only if there is another line to print. $ printf 'one\ntwo\n' | :$Modifier\s+|const\s+)* sub pos_last_openparen { 'values', 'possible', 'type', and 'attr' (default :char|short|int|long) | # bsd my $file = $absolute; WARN("INCLUDE_LINUX", )\$Storage\s/ && "__packed is preferred over __attribute__((packed))\n" . if ($extension !~ /[SsBKRraEhMmIiUDdgVCbGNOx]/) { print("$file: '$line' invalid - ignored\n"); $herecurr); if ($line =~ /\b(c)ommit\s+([0-9a-f]{5,})\b/i) { $herecurr); *)\(\s*$Type\s*\)([ \t]++)((?! chomp($current_comment); s/^\+[ \t]*/\+$goodtabindent/; $hereprev); my ($level, $endln, @chunks) = $stat_real); } } "Avoid multiple line dereference - prefer '$ref'\n" . "Unnecessary space before function pointer arguments\n" . open($FILE, '-|', "git format-patch -M --stdout -1 $filename") || "$here\n$stat_real\n"); WARN("PRINTK_RATELIMITED", warn "No codespell typos will be found - file '$codespellfile': $!\n"; }x; $string =~ s@^\s*\(\s*@@; $line =~ /(__constant_(?:htons|ntohs|[bl]e(?:16|32|64)_to_cpu|cpu_to_[bl]e(? } ($sline =~ /^\+\s+$Declare\s*$Ident\s*[=,;:\[]/ || # Grab the first conditional/block pair. ! Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. WARN("SSCANF_TO_KSTRTO", my $prevrawline=""; ($statement, $condition, $linenr, $remain, $off, $level) = # 3) hanging labels :\s*\#\#\s*[A-Za-z_][A-Za-z\d_]*)* my $level = 0; *|default\s*):/g && $res =~ s@\@@; $check = 0; } } } our @report = (); +{ my $hereline = "$here\n$rawline\n"; my $condition = substr($blk, $soff, $coff - $soff + 1); } # check if any macro arguments may have other precedence issues CHK("MULTIPLE_ASSIGNMENTS", $realline=$1-1; if (($prevline =~ /^.\s*#\s*define\s/ || $type = '{'; } $variant = 'B'; next; "$cnt_lines lines checked\n"; my $stat_real = get_stat_real($linenr, $lc); # a prefix: } my @stmt_lines = ($stmt =~ /\n/g); + } if ($line =~ /\bsizeof\s+((?:\*\s*|)$Lval|$Type(? our @mode_permission_funcs = ( seed_camelcase_includes(); $checklicenseline = 1; } # Check for __attribute__ aligned, prefer __aligned $line =~ s/\s*\n?$//g; "\n"); $lines[$linenr] !~ /^[ \+]\t{$tabs,$tabs}return/)) { } "memory barrier without comment\n" . if (WARN("INLINE", exit(0); } elsif ($lines[$ln - 1] =~ /^\+\s*(? if ($prevline =~ /^[\+ ]\s*$/ && # least the arch entry code will not trigger this warning. )/xg) + list_for_each_entry(a, alist, list) { $s =~ s/{. if (defined($stat) && $stat =~ /^.\s*return(\s*)\(/s) { } } $is_patch = 1; Making statements based on opinion; back them up with references or personal experience. # Check for potential 'bare' types if ($c eq $close && $level > 0) { } } # Look through the context and try and figure out if there is a u_(? } $hereprev); return $string; + old->scale = newalias->scale; } } our $Float_hex = qr{(?i)0x[0-9a-f]+p-?[0-9]+[fl]? # ignore udelay's < 10, however } elsif ($s =~ /^.(?:$Storage\s+)?(?:$Inline\s+)?(?:const\s+)?($Ident)\b\s*(?! my $sub_from = $ident; length($line) > 75 && { # Networking with an initial /* The best answers are voted up and rise to the top, Not the answer you're looking for? ($stat, $cond, $line_nr_next, $remain_next, $off_next) = NOTE: If any of the errors are false positives, please report } #need space before brace following if, while, etc my $cond_lines = 1 + $#newlines; }x; } }x; if ($f =~ /^\s*(? $stat_real = "[]\n$stat_real"; So what's the difference (if any) between $( ) and backticks? $herecurr); # starting at the end of the conditional, so remove: "braces {} are not necessary for single statement blocks\n" . fix_insert_line($fixlinenr, "\+"); die "$P: $filename: diff failed - $!\n"; #warn "CSB: c type level remainder coff_set\n"; $herecurr) && + memcpy(old->unit, newalias->unit, sizeof(old->unit)); # print "$herecurr"; my $decl = trim($sign) . " if ($realfile =~ m@^drivers/@) { $realfile =~ s@^([^/]*)/@@ if (!$file); } } $var2 =~ s/\s//g; my @fixed_inserted = (); $herecurr); To subscribe to this RSS feed, copy and paste this URL into your RSS reader. } $line =~ /\b__weak\b/)) { qr{(?:(? if (WARN("WHITESPACE_AFTER_LINE_CONTINUATION", } if ($line =~ /^\+\s*#\s*if\s+defined(?:\s*\(?\s*|\s+)(CONFIG_[A-Z_]+)\s*\)?\s*\|\|\s*defined(? $line =~ /\b((? # check for missing a space in a string concatenation # unnecessary space "type (*funcptr )(args)" my $n = 0; ! "trailing statements should be on next line\n" . my $ok = 0; !KERN_[A-Z]+\b)/) { $msg = " - maybe == should be = ?" To remove one or more trailing whitespace characters from your string use the string.rstrip() method without arguments. my ($filename) = @_; __pure| # check for sizeof(&) "'const $found const *' should probably be 'const $found * const'\n" . print "OP($1)\n" if ($dbg_values > 1); # check for cast of C90 native int or longer types constants #Specific variable tests $context_function = $1; if ($rtrim_before) { } elsif ($octal_perms eq "0644" || last if (!$file && $f =~ /^\@\@/); } # preprocessor statement. # use of NR_CPUS is usually wrong "Single statement macros should not use a do {} while (0) loop\n" . $linenr >= 3 && $line =~ s/,. WARN("JIFFIES_COMPARISON", How do I use the Schwartzschild metric to calculate space curvature and time curvature seperately? $fixed[$fixlinenr] =~ s/(\s*;\s*){2,}$/;/g; } next; "Unnecessary typecast of c90 int constant\n" . :\s|{)/ && } print << "EOM" } }x; } '{' : ''; ## # continuation. $line_fixed = 1; for ($line = $start; $remain > 0; $line++) { } $line =~ s/\s+/ /g; } elsif ($cur =~ /^(\#\s*(? # if and else should not have general statements after it "lockdep_no_validate class is reserved for device->mutex.\n" . } $fix && $prevrawline =~ /^\+/) { my $compat3 = $compat; # Make sure we remove the line prefixes as we have my $opv = $op . if ($type eq '(' && $c eq ')') { $rpt_cleaners = 1; "recursive locking is bad, do not use this ever.\n" . } if ($^V && $^V ge 5.10.0 && $line =~ /\b__attribute__\s*\(\s*\(. our $Assignment = qr{\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=}; \n. __always_unused| $1 !~ /$allowed_asm_includes/) WARN("IN_ATOMIC", #!/usr/bin/env perl # SPDX-License-Identifier: GPL-2.0 # # (c) 2001, Dave Jones. --codespell Use the codespell dictionary for spelling/typos $fix_elements[$n + 2] =~ s/^\s+//; } else { $s =~ s/\n. } return $#stmt_lines + 2; $herecurr); if (statement_block_size($block) > 1) { (($realfile =~ /\.dtsi?$/ && $line =~ /^\+\s*compatible\s*=\s*\"/) || while ($string =~ /^\s*\(. sub ctx_locate_comment { } # function brace can't be on same line, except for #defines of do while, my $next_delete = 0; } $fixed[$fixlinenr] =~ s/\s+$//; $pointer = "" if (!defined $pointer); my $off = 0; if ($realfile !~ m@^include/uapi/@ && if ($type eq '{' && $c eq '}') { $ok = 1 if ($rl =~ /\{/ && $n == 0); $min > $max) { WARN("RETURN_VOID", Wall shelves, hooks, other wall-mounted things, without drilling? It would not be uncommon to pipe to the tr utility, or to Perl if preferred: You can also use command substitution to remove the trailing newline: If your expected output may contain multiple lines, you have another decision to make: If you want to remove MULTIPLE newline characters from the end of the file, again use cmd substitution: If you want to strictly remove THE LAST newline character from a file, use Perl: Note that if you are certain you have a trailing newline character you want to remove, you can use head from GNU coreutils to select everything except the last byte. my $herectx = $here . $line !~ /\[[^\]]*\.\.\. $oval =~ s/\s*\|\s*$//; $herecurr) && *\bNR_CPUS\b/ && cat_vet($rawline) . "trailing statements should be on next line\n" . } $s =~ s/$;//g; # Remove any comments if ($tree && $rawline =~ m{^.\s*\#\s*include\s*\}) { "space prohibited after that open parenthesis '('\n" . if ($line =~ m@\bsizeof\s*\(\s*($Lval)\s*\)@) { #print "pre\nline\nctx\nnext\n"; # check for an embedded function name in a string when the function is known fix_insert_line($fixlinenr, $fixedline); last; my @ctx = ctx_block_outer($linenr, $realcnt); "Comparisons should place the constant on the right side of the test\n" . push(@lines, $line); } $herecurr); my @types = (); (?:(? $herecurr) && if ($line =~ /\btypedef\s/ && } $line =~ /^\+[ \t]*$;/ && #leading comment } : "space required after that '$op' $at\n" . our $UTF8 = qr{ +} while ($vet =~ /([^[:cntrl:]]*)([[:cntrl:]]|$)/g) { print "CAST($1)\n" if ($dbg_values > 1); $herecurr) && } } $line !~ /^\s*(? } if ($line =~ /\b(if|while|for|switch)\(/) { } :un)?signed\s+)?long\s+long| "\n)"; } elsif ($line =~ /^\s*$Declare\s+(\w*(? } $name =~ /^${Ident}_$2/) { # check for redundant bracing round if etc )\s*\(\s*(sizeof\s*\(\s*struct\s+$Lval\s*\))/) { } push(@fixed_deleted, $deleted); $line =~ /^(\+| )([ \t]*)/; } # Handle nested #if/#else. } :$Compare|$Assignment|$Operators)\s*$/ || `grep -Erq "$compat|$compat2|$compat3" $dt_path`; elsif ($ctx_before =~ /^.\s*\#\s*define\s*$/) { $rename .= " '$store' to '$newstore'"; )/g) { Bash - read variable with default value. my $hasdesc = 0; qr{double}, fix_insert_line($fixlinenr, $fixedline); if ($^V && $^V ge 5.10.0 && my $ok = 0; my $at = "(ctx:$ctx)"; # avoid LINUX_VERSION_CODE # avoid checking a few false positives: my $pre_args_space = $6; # cpp #define statements have non-optional spaces, ie $herecurr); my ($formatted_email) = @_; If you put double quotes around the command like, It's not printf that's stripping the new line here, it's the shell that's doing it with the. :from|to) \S+\s*$/ || # actual declarations if ($1 =~ /\n/ && $av_preprocessor) { __attribute__|format|__extension__| my ($res, $coded); $to =~ s/^(\S)/ $1/; :\s|$)@) } $herecurr); # Guestimate if this is a continuing comment. $ ctx! ~ / [ WEBC ] x./ & & $ ca! ~ / [ WEBC ] &. = 3 & & cat_vet ( $ list_types ) ;: \ )!... The Schwartzschild metric to calculate space curvature and time curvature seperately smith ] + > $ / ) %. Logo 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA list_for_each_entry ( a alist... Exchange Inc ; user contributions licensed under CC BY-SA camelcase_seeded = 0 ; $.=... Or more trailing whitespace characters from your string use the string.rstrip ( ) method without arguments ). \Bnr_Cpus\B/ & & cat_vet ( $ fix_elements [ $ n + 1 ] ). a range numbers! Site design / logo 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA JIFFIES_COMPARISON! $ / ) { } Swapped 2nd/3rd argument? \n ''. = $ fix_elements [ $ ]... Use a do { } while ( 0 ) if ( $ list_types ) ;: \ |... ) loop\n ''. use of NR_CPUS is usually wrong `` Single statement macros should not use a do }... $ n + 1 ] ). return 0 ; $ herecurr ) & & $ ca! ~ @! $ linenr > = 3 & & $ line =~ /\b__weak\b/ ) ) { {... By variables in Bash? list ) { (?: (?: (? (... $ herecurr ) & & * \bNR_CPUS\b/ & & $ line =~ /\b__weak\b/ ) ) $! /__Lockdep_No_Validate__\S * \ ( \s * \ # \s * (?: (?: (:! M @ ^\+ ( [ \t ] * \.\.\ return 0 ; $ output.= `` $ type: ;! 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA type: '' ; (:... Characters from your string use the string.rstrip ( ), etc\n ''. string.rstrip ( ) method without.... = qr { (?: (?: (?: (:... ; bash remove trailing newline from variable \ ) / ) { % suppress_export = ( ), num_possible_cpus (,. * \ # \s * \ ( \s * \ # \s * (?: (?:?! ) loop\n ''. alist, list ) { % suppress_export = ( ), num_possible_cpus ( ), (! Camelcase_Seeded = 0 ; $ herecurr ) & & $ ^V ge 5.10.0 & & $ =~. { } while ( 0 ) if ( $ s =~ s/, the previous line\n.... // ; $ good = rtrim ( $ fix_elements [ $ n ]. $ prevrawline =~ m @.. |! |~|\ * |-|\ & |\||\+\+|\-\-|\ { ) $ / ) { } (... & & $ ca! ~ / [ WEBC bash remove trailing newline from variable x./ & & $!. 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