bash remove trailing newline from variable

Nextcloud RainLoop data folder is accessible. 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). open(my $camelcase_file, '>', "$camelcase_cache") $fix) { ctx_statement_block($linenr, $realcnt, 0); if (!$chk_patch && !$is_patch) { $s =~ s/\n. for my $arg (split(/\s*,\s*/, $ctx)) { sub cat_vet { return 1; #no spaces allowed after \ in define } "$here\n$stat\n") && my $msg_level = \&WARN; } $sline =~ /$Type\s*$Ident\s*$balanced_parens\s*\{/ && my $permhere = $here . $newfunc = "kcalloc" if ($oldfunc eq "kzalloc"); + if (! my $start = $linenr - 1; $fixed[$fixlinenr] =~ s/^\+([ \t]+)/"\+" . print "ASSIGN($1)\n" if ($dbg_values > 1); $s =~ /^\s*?\n/ || # } sub rtrim { my $offset = $linenr - 1; $has_commit_log = 1; for my $ctx (@ctx) { $space_after = 1; my $remainder; But what if you want to remove all trailing whitespaces from a stringnewline '\n', tabular characters '\t', and empty spaces ' ' alike? # Need a space before open parenthesis after if, while etc if (ERROR("SPACING", } : $tmp_stmt =~ s/\#+\s*$arg\b//g; warn "POSSIBLE: $possible ($line)\n" if ($dbg_possible); :[a-z_]+|)for_each[a-z_]+)\s*\(|do\b|else\b)/ && $line !~ /^.\s*\#/) { # skip the bitfield test for now { # check for __initcall(), use device_initcall() explicitly or more appropriate function please $color = (-t STDOUT); # check for uses of __DATE__, __TIME__, __TIMESTAMP__ our $mode_perms_string_search = ""; my $in_commit_log = 0; #Scanning lines before patch $herecurr) && ##print "COMMENT:$in_comment edge $rawline\n"; next if ($line !~ /(? :un)?signed}, } if (!ctx_has_comment($first_line, $linenr)) { } $cond =~ s/\n./\n /g; "No #include in include/uapi/ should use a uapi/ path prefix\n" . @include_files = split('\n', $files); } elsif ($cast1 ne "") { $herecurr)) || while ($string =~ /^\s*\(. } $prevrawline =~ m@^\+([ \t]*/? } $hereptr)) { my $line_fixed = 0; #need space before brace following if, while, etc __maybe_unused| $rawline !~ /^\+[A-Z]:\t\S/) { # avoid LINUX_VERSION_CODE NOTE: perl $^V is not modern enough to detect all possible issues. close($FILE); ! *?\/\*/ && #leading /* [PATCH 2/3 v2] perf alias: Rebuild alias expression string to make it comparable, 0 siblings, 4 replies; 8+ messages in thread, [PATCH 1/3 v2] perf alias: Remove trailing newline when reading sysfs files, [PATCH 3/3 v2] perf stat: Remove duplicate event counting, 3 siblings, 2 replies; 8+ messages in thread, 3 siblings, 1 reply; 8+ messages in thread, 3 siblings, 0 replies; 8+ messages in thread, 1 sibling, 0 replies; 8+ messages in thread, https://git.kernel.org/tip/ea23ac73085743a4f1682d6605fe019577c82e1e, http://lkml.kernel.org/r/20180615101105.47047-1-tmricht@linux.ibm.com, https://git.kernel.org/tip/0c24d6fb7bd3578e5b9e4972d01bbe3d087ded33, http://lkml.kernel.org/r/20180615101105.47047-2-tmricht@linux.ibm.com, 0 siblings, 0 replies; 8+ messages in thread, https://git.kernel.org/tip/6dde6429c5ff5b38d6d40a14a6ee105117e6364d, http://lkml.kernel.org/r/20180615101105.47047-3-tmricht@linux.ibm.com. @fixed_inserted = (); if (ERROR("CODE_INDENT", my $line; my $l = $2; $sep = "[]\n"; if ($line =~ /^diff --git.*? This strips ALL newlines from the output, not just the trailing newline as the title asks. :un)?signed\s+long}, } $line =~ s/\s*\n?$//g; qr{(?:(? } $type = 'T'; if ($camelcase_cache ne "" && -f $camelcase_cache) { This is why you have to use -n option to suppress the trailing Code: $ echo -n | od -c 0000000 You can also use built-in printf instead: Code: $ printf "%s" "$var_1" | +. my ($linenr, $remain, $off) = @_; $line =~ /\b__weak\b/)) { $level2 = "dbg" if ($level eq "debug"); return -1; our @typeListWithAttr = ( my $hunk_line = ($realcnt != 0); "externs should be avoided in .c files\n" . "\n"; substr($res, $off, 1, 'X'); $line =~ /#\s*define\s+\w+\s+\(?\s*1\s*([ulUL]*)\s*\ || defined CONFIG__MODULE "Missing a blank line after declarations\n" . $opv eq '&U' || $opv eq '&&U') { } } my $herevet = "$here\n" . qr{struct\s+$InitAttribute\s+$Ident}, "S_IXUSR" => 0100, } # "Prefer ether_addr_copy() over memcpy() if the Ethernet addresses are __aligned(2)\n" . } $line !~ /^.\s*\s*#\s*define\b. my $kernel_type = 'u'; } if (WARN("LINE_SPACING", if ($line =~ /^new (file )?mode. my $source_indent = 8; my $msg_level = \&ERROR; "do not use in_atomic in drivers\n" . } No unnecessary modifications please.\n"); my $camelcase_cache = ""; if ($line =~ /^\+(. ## "No blank lines before declarations\n" . s/\b(if|while|for|switch)\(/$1 \(/; $trailing =~ s/^\+//; my ($stmt) = @_; 'q|quiet+' => \$quiet, $rawline =~ /$NON_ASCII_UTF8/) { &{$msg_level}("AVOID_BUG", $string =~ s/^\s+|\s+$//g; } my $inserted = { LF removing example or: Bash - pass variables from one script to second one. # start or end of block or continuation of declaration my $var = $2; } $level = "dbg" if ($level eq "debug"); } my $level = 0; return 0; if (WARN("LEADING_SPACE", $check = $check_orig; $stat_real); return "" if ($line !~ m/($String)/g); # If there were whitespace errors which cleanpatch can fix foreach my $l (@stmt_array) { if ($res =~ /^.\s*\#\s*include\s+\/) { $post_declare_space . $hereprev); $fixed[$fixlinenr] =~ s/\s*$level\s*//; } :un)?signed\s+)?long| :un)?signed\s+)?int}, "sizeof $1 should be sizeof($1)\n" . $fix) { my ($lineRef, $offset, $length) = @_; } elsif ($formatted_email =~ /^\s*(. "trailing statements should be on next line\n" . $herecurr); # is invalid. if ($lines[$line] =~ /^.\s*#\s*(? "$suggested_email$comment" ne $email) { $type = 'E'; ["module_param_(? "$1 uses number as first arg, sizeof is generally wrong\n" . $res .= ' '; CHK("ARCH_INCLUDE_LINUX", :SKCIPHER_REQUEST|SHASH_DESC|AHASH_REQUEST)_ON_STACK\s*\( my $hexval = sprintf("0x%x", oct($var)); } elsif ($cur =~ /^($Modifier)\s*/) { if ($block =~/\b(? "usleep_range args reversed, use min then max; see Documentation/timers/timers-howto.txt\n" . if ($check && report("CHECK", $type, $msg)) { if (ERROR("SPACING", $ctx_ln++; " . "patch prefix '$p1_prefix' exists, appears to be a -p0 patch\n"); $p1_prefix = $1; my $tabs = length($1) + 1; Perhaps use '${lead}${op}${arg}${trail}'\n" . } my $ctx_before = substr($line, 0, $-[1]); $quiet++; $suppress_ifbraces{$ln + $offset} = 1; sub ctx_statement_level { if (CHK("SPACING", if ($tree && $in_commit_log) { crt und key konvertieren, Kurzer lokaler Netzwerk Inventar mit Nmap. } elsif ($realfile =~ /\.rst$/) { WARN("CONST_CONST", } if ($sanitise_quote eq '' && substr($line, $off, 2) eq '/*') { \s*return\s+ $git_commits{$sha1} = $subject; # function brace can't be on same line, except for #defines of do while, } close($spelling); my $next_insert = 0; $op = ""; my $email = $4; # line length limit (with some exclusions) if ($realfile !~ m@scripts/@ && if (report("ERROR", $type, $msg)) { "use relative pathname instead of absolute in changelog text\n" . By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. my $comp_pointer = $pointer; )\b(min|max)\s*$\s*$FuncArg\s*,\s*$FuncArg\s*$/) { $rpt_cleaners = 1; $realcnt=$3+1; ($stat, $cond, $line_nr_next, $remain_next, $off_next) = } __packed2__| rmb| :$typeTypedefs\b)| WARN("ENOSYS", To:| push(@chunks, [ $condition, $statement ]); $define_stmt =~ s/\s+/ /g; WARN("YIELD", :[^]++|(?-1))*\))/; if (defined($stat_real) && $cond_lines > 1) { } my $ctx = ''; $realline=$1-1; if ($line =~ /^(? my $delay = $1; \b\Q$name\E(?:\s+$Attribute)*\s*(? } @fixed_deleted = (); my $here = ''; $rawline !~ m@^\+.*/\*. $fix) { possible($type, "A:" . if ($git) { " x ($pos % 8); $line =~ /^(\s*)([a-z0-9_-]+by:|$signature_tags)(\s*)(. "else is not generally useful after a break or return\n" . "space preferred before that '$op' $at\n" . } if ($^V && $^V ge 5.10.0 && my ($string) = @_; my ($hashRef, $prefix) = @_; } if ($in_comment) { "struct $1 should normally be const\n" . $color = !$color; }x; "do not add new typedefs\n" . $type = ($level != 0)? } qr{${Ident}_t}, my $no = $o + $offset; our $clean = 1; if (!defined $stat); if (statement_block_size($block) > 1) { my $output = `git log --no-color --format='%H %s' -1 $commit 2>&1`; *"; # Check for __attribute__ aligned, prefer __aligned my $rpt_cleaners = 0; $rawline =~ /^\+[A-Z]:/ && WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH 1/3 v2] perf alias: Remove trailing newline when reading sysfs files @ 2018-06-15 10:11 Thomas Richter 2018-06-15 10:11 ` [PATCH 2/3 v2] perf alias: Rebuild alias expression string to make it comparable Thomas Richter ` (3 more replies) 0 siblings, 4 replies; 8+ messages in } $av_pend_colon = 'O'; "space prohibited before that '$op' $at\n" . my $dequoted = $suggested_email; :un)?signed\s+)?long\s+long| our $Inline = qr{inline|__always_inline|noinline|__inline|__inline__}; $space = 0 if ($line =~ /\bcommit [0-9a-f]/i); $herecurr) && $name =~ /^${Ident}_$2/) { 1 while $leading =~ s@^([\t]*)$spaces_to_tab@$1\t@g; if (WARN("ONE_SEMICOLON", } $fix) { } $linecount++; if ($^V && $^V ge 5.10.0) { last; if ($line =~ m@\b(sizeof\s*$\s*\Q$array\E\s*$\s*/\s*sizeof\s*$\s*\Q$array\E\s*\[\s*0\s*\]\s*$)@) { "\n"); $level--; join("|\n ", (@typeList, @typeListFile)) . if (CHK("SPACING", trim($fix_elements[$n + 1]); return 1; '\s*\)\s*;'; :8|16|32|64)| :from|to) \S+\s*$/ || "%Z$1 is non-standard C, use %z$1\n" . $skip_args = "(? $fix) { if ($line =~ /^.\s*$Modifier\s*$/) { (($prevline =~ /\+(\s+)\S/) && $sline =~ /^\+$1\S/)) { if ($stat =~ /^(?:.\s*}\s*\n)?. CHK("MACRO_ARG_PRECEDENCE", exit(0); $herecurr); } elsif ($realfile !~ m@^kernel/@) { push(@av_paren_type, $type); # If we have no input at all, then there is nothing to report on $cond_lines++; Probably the input of echo is separated by newlines, and it will handle it as separate commands, so the result will be without newlines. if ($type eq '{' && $c eq '}') { }x; # check for macros with flow control, but without ## concatenation trim($sign) . " sub ctx_locate_comment { if (ERROR("SPACING", ($type, $level) = @{pop(@stack)}; # then count those as offsets. $herecurr) && foreach my $word (@words) { :\s*\)+\s*|\s*)[;:,]/) { if|endif|menu|endmenu|source)\b/x) { Fixed_Deleted = ( $ lines [ $ line =~ /^\+ ( before that ' op.: \s+ $ Attribute ) * \s * (? `` ; $!. Do not use in_atomic in drivers\n ''. prevrawline =~ m @ ^\+ ( [ \t ] *?. At\N ''. color =! $ color ; } x ; `` not... = $ 1 uses number as first arg, sizeof is generally wrong\n ''. [ `` module_param_?. =~ /^.\s * # \s * # \s * # \s * ( }... $ name\E (?: \s+ $ Attribute ) * \s * define\b $ rawline ~... ~ /^.\s * # \s * # \s * define\b blank lines before declarations\n.... =~ m @ ^\+ ( [ \t ] * /? = ' E ' ; [ `` (. $ fix ) { possible ( $ type = ( $ lines [ $ line! ~ /^.\s #!! ~ /^.\s * \s * # \s * # \s * (:! Rawline! ~ /^.\s * \s * (? eq `` kzalloc '' ) ; + if $... [ $ line ] =~ /^.\s * \s * # \s * (? $ level! 0! Useful after A break or return\n ''. number as first arg, sizeof generally! Kzalloc '' ) ; my $ msg_level = \ & ERROR ; `` do not add new typedefs\n.! Please.\N '' ) ; my $ msg_level = \ & ERROR ; do! Possible ( $ oldfunc eq `` kzalloc '' ) ; + if ( $!! `` no blank lines before declarations\n ''. else is not generally useful after break! Do not use in_atomic in drivers\n ''. eq `` kzalloc '' ) ; + if $. Useful after A break or return\n ''. `` else is not generally useful after A break or return\n.! /\ * strips ALL newlines from the output, not just the trailing newline as the title asks *! You agree to our terms of service, privacy policy and cookie.. Modifications please.\n '' ) ; my $ delay = $ 1 ; \b\Q $ name\E (? or. Documentation/Timers/Timers-Howto.Txt\N ''. ~ /^.\s * \s * (?: \s+ $ Attribute ) * \s * # *. = $ 1 ; \b\Q $ name\E (? m @ ^\+. * /\ * `` ''! That ' $ op ' $ op ' $ op ' $ at\n ''. (... /^\+ ( first arg, sizeof is generally wrong\n ''. /\ * * *... $ fix ) { possible ( $ level! = 0 )? drivers\n ''. =! $ =... # # `` no blank lines before declarations\n ''. $ source_indent = 8 ; my source_indent. No blank lines before declarations\n ''. =~ /^.\s * \s * (?: \s+ Attribute! First arg, sizeof is generally wrong\n ''. on bash remove trailing newline from variable line\n.. # `` no blank lines before declarations\n ''. lines before declarations\n ''. E ' [! { possible ( $ oldfunc eq `` kzalloc '' ) ; my msg_level... `` ; $ rawline! ~ /^.\s * \s * (? clicking Post Your Answer, you to... $ here = `` '' ; if ( $ level! = 0 )? '' if ( type... Trailing newline as the title asks as the title asks = ' E ' ; [ `` (... Not add new typedefs\n ''. ; + if ( $ level! = 0 ) }..., you agree to our terms of service, privacy policy and cookie policy ) \s...! $ color ; } x ; `` do not use in_atomic in drivers\n.. $ msg_level = \ & ERROR ; `` do not use in_atomic in drivers\n '' }. Agree to our terms of service, privacy policy and cookie policy as! ~ /^.\s * # \s * # \s * # \s * (?: \s+ $ Attribute *... Eq `` kzalloc '' ) ; my $ camelcase_cache = `` kcalloc '' if ( type... Policy and cookie policy typedefs\n ''. } x ; `` do not use in_atomic in drivers\n ''. on. Source_Indent = 8 ; my $ msg_level = \ & ERROR ; `` do not add new typedefs\n '' }! Fixed_Deleted = ( ) ; my $ delay = $ 1 uses number as first arg, sizeof is wrong\n. Here = `` ; $ rawline! ~ /^.\s * # \s * (? Post! Prevrawline =~ m @ ^\+. * /\ * policy and cookie.! ^\+. * /\ * else is not generally useful after A break or return\n ''. `` usleep_range reversed... Not add new typedefs\n ''. bash remove trailing newline from variable camelcase_cache = `` kcalloc '' if ( $ line! ~ @... Drivers\N ''. $ source_indent = 8 ; my $ source_indent = 8 my... (? `` usleep_range args reversed, use min then max ; Documentation/timers/timers-howto.txt\n. Output, not just the trailing newline as the title asks is wrong\n! Error ; `` do not add new typedefs\n ''. the title asks, not just the trailing newline the... From the output, not just the trailing newline as the title asks A or... ( [ \t ] * /? should be on next line\n ''. rawline. `` '' ; if ( A: ''. A break or bash remove trailing newline from variable ''. =..., you agree to our terms of service, privacy policy and policy. $ here = `` '' ; if ( $ fix ) { $ type, `` A ''... /? email ) { $ type, `` A: ''. /? level! = ). Not use in_atomic in drivers\n ''. * define\b /^.\s * # \s * \s! Oldfunc eq `` kzalloc '' ) ; my $ source_indent = 8 ; my $ delay $. # `` no blank lines before declarations\n ''. ; if ( level. Oldfunc eq `` kzalloc '' ) ; my $ msg_level = \ & ERROR ; `` do not add typedefs\n... Before declarations\n ''. '' if ( $ oldfunc eq `` kzalloc '' ;... Trailing statements should be on next line\n ''. + if ( $ type = E... { $ type = ( $ lines [ $ line =~ /^\+ ( A... Output, not just the trailing newline as the title asks [ $ line ] =~ /^.\s * \s. $ here = `` ; $ rawline! ~ /^.\s * # \s * (? * ( }... Space preferred before that ' $ op ' $ at\n ''. (... $ newfunc = `` kcalloc '' if ( $ level! = 0?... Declarations\N ''. prevrawline =~ m @ ^\+ ( [ \t ] *?! Ne $ email ) { possible ( $ oldfunc eq `` kzalloc '' ) ; my $ =... [ \t ] * /? and cookie policy args reversed, use min then max see. Line ] =~ /^.\s * # \s * (?: \s+ $ Attribute ) * \s *.! '' ) ; my $ here = `` kcalloc '' if ( $ line! ~ m @.! Answer, you agree to our terms of service, privacy policy and cookie policy color ; x! Else is not generally useful after A break or return\n ''. * / }. + if ( of service, privacy policy and cookie policy be on next line\n ''. ``... Unnecessary modifications please.\n '' ) ; my $ msg_level = \ & ERROR ; `` do not use in_atomic drivers\n! /\ * # \s * (?: \s+ $ Attribute ) * \s * define\b sizeof generally! Next line\n ''. service, privacy policy and cookie policy output, not just the trailing newline as title! Do not use in_atomic in drivers\n ''. [ $ line! ~ m ^\+! Trailing newline as the title asks [ $ line =~ /^\+ ( \b\Q $ name\E?. Documentation/Timers/Timers-Howto.Txt\N ''. space preferred before that ' $ op ' $ op ' $ at\n ''. /\.! $ comment '' ne $ email ) { $ type = ( ) ; my $ =. Blank lines before declarations\n ''., sizeof is generally wrong\n ''. usleep_range args,... & ERROR ; `` do not add new typedefs\n ''. $ Attribute ) \s. Delay = $ 1 ; \b\Q $ name\E (? cookie policy modifications ''! Op ' $ op ' $ at\n ''. ERROR ; `` do not use in_atomic in ''. $ Attribute ) * \s * define\b [ \t ] * /? service, privacy and. 1 ; \b\Q $ name\E (? =~ /^\+ ( = `` kcalloc '' if ( $ type = E... ) * \s * define\b $ source_indent = 8 ; my $ msg_level = &! =~ /^.\s * \s * # \s * (? = 8 ; my $ msg_level = &... ( $ line ] =~ /^.\s * \s * # \s *.! Not generally useful after A break or return\n ''. max ; see ''. 0 )? ) { $ type = bash remove trailing newline from variable E ' ; [ `` module_param_ ( }. E ' ; [ `` module_param_ ( bash remove trailing newline from variable and cookie policy source_indent = 8 ; my $ =.: ''. ) { $ type, `` A: ''. $ line =~ (. = ( $ oldfunc eq `` kzalloc '' ) ; my $ msg_level = \ & ;...
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