blocks|key|1333405|text|我可以建议(在备份您的文件之后)：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1333406|find+/the/folder+-type+f+-exec+sed+-ibak+'s/old/new/g'+{}+';'|code-block|syntax|javascript|1333407|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Might I suggest (after backing up your files):

<pre><code>find /the/folder -type f -exec sed -ibak 's/old/new/g' {} ';'
</code></pre>

blocks|key|1548854|text|你可能想试试my+mass+search/replace+Perl+script。与链式实用程序解决方案相比有一些优势(比如不必处理多级shell元字符解释)。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1548855|#!/usr/bin/perl

use+strict;

use+Fcntl+qw(+:DEFAULT+:flock+:seek+);
use+File::Spec;
use+IO::Handle;

die+"Usage:+$0+startdir+search+replace\n"
++++unless+scalar+@ARGV+==+3;
my+$startdir+=+shift+@ARGV+%7C%7C+'.';
my+$search+=+shift+@ARGV+or
++++die+"Search+parameter+cannot+be+empty.\n";
my+$replace+=+shift+@ARGV;
$search+=+qr/\Q$search\E/o;

my+@stack;

sub+process_file($)+{
++++my+$file+=+shift;
++++my+$fh+=+new+IO::Handle;
++++sysopen+$fh,+$file,+O_RDONLY+or
++++++++die+"Cannot+read+$file:+$!\n";
++++my+$found;
++++while(my+$line+=+<$fh>)+{
++++++++if($line+=~+/$search/)+{
++++++++++++$found+=+1;
++++++++++++last;
++++++++}
++++}
++++if($found)+{
++++++++print+"++Processing+in+$file\n";
++++++++seek+$fh,+0,+SEEK_SET;
++++++++my+@file+=+<$fh>;
++++++++foreach+my+$line+(@file)+{
++++++++++++$line+=~+s/$search/$replace/g;
++++++++}
++++++++close+$fh;
++++++++sysopen+$fh,+$file,+O_WRONLY+%7C+O_TRUNC+or
++++++++++++die+"Cannot+write+$file:+$!\n";
++++++++print+$fh+@file;
++++}
++++close+$fh;
}

sub+process_dir($)+{
++++my+$dir+=+shift;
++++my+$dh+=+new+IO::Handle;
++++print+"Entering+$dir\n";
++++opendir+$dh,+$dir+or
++++++++die+"Cannot+open+$dir:+$!\n";
++++while(defined(my+$cont+=+readdir($dh)))+{
++++++++next
++++++++++++if+$cont+eq+'.'+%7C%7C+$cont+eq+'..';
++++++++#+Skip+.swap+files
++++++++next
++++++++++++if+$cont+=~+/%5E\.swap\./o;
++++++++my+$fullpath+=+File::Spec->catfile($dir,+$cont);
++++++++if($cont+=~+/$search/)+{
++++++++++++my+$newcont+=+$cont;
++++++++++++$newcont+=~+s/$search/$replace/g;
++++++++++++print+"++Renaming+$cont+to+$newcont\n";
++++++++++++rename+$fullpath,+File::Spec->catfile($dir,+$newcont);
++++++++++++$cont+=+$newcont;
++++++++++++$fullpath+=+File::Spec->catfile($dir,+$cont);
++++++++}
++++++++if(-l+$fullpath)+{
++++++++++++my+$link+=+readlink($fullpath);
++++++++++++if($link+=~+/$search/)+{
++++++++++++++++my+$newlink+=+$link;
++++++++++++++++$newlink+=~+s/$search/$replace/g;
++++++++++++++++print+"++Relinking+$cont+from+$link+to+$newlink\n";
++++++++++++++++unlink+$fullpath;
++++++++++++++++my+$res+=+symlink($newlink,+$fullpath);
++++++++++++++++warn+"Symlink+of+$newlink+to+$fullpath+failed\n"
++++++++++++++++++++unless+$res;
++++++++++++}
++++++++}
++++++++next
++++++++++++unless+-r+$fullpath+&&+-w+$fullpath;
++++++++if(-d+$fullpath)+{
++++++++++++push+@stack,+$fullpath;
++++++++}+elsif(-f+$fullpath)+{
++++++++++++process_file($fullpath);
++++++++}
++++}
++++closedir($dh);
}

if(-f+$startdir)+{
++++process_file($startdir);
}+elsif(-d+$startdir)+{
++++@stack+=+($startdir);
++++while(scalar(@stack))+{
++++++++process_dir(shift(@stack));
++++}
}+else+{
++++die+"$startdir+is+not+a+file+or+directory\n";
}|code-block|syntax|javascript|1548856|entityMap|0|LINK|mutability|MUTABLE|url|http://lostsouls.org/grimoire_convert_all^0|6|Y|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]]|C|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|C|$G|H]]|$1|I|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]]]

Might want to try <a href="http://lostsouls.org/grimoire_convert_all" rel="nofollow noreferrer">my mass search/replace Perl script</a>. Has some advantages over chained-utility solutions (like not having to deal with multiple levels of shell metacharacter interpretation).

<pre><code>#!/usr/bin/perl

use strict;

use Fcntl qw( :DEFAULT :flock :seek );
use File::Spec;
use IO::Handle;

die "Usage: $0 startdir search replace\n"
 unless scalar @ARGV == 3;
my $startdir = shift @ARGV || '.';
my $search = shift @ARGV or
 die "Search parameter cannot be empty.\n";
my $replace = shift @ARGV;
$search = qr/\Q$search\E/o;

my @stack;

sub process_file($) {
 my $file = shift;
 my $fh = new IO::Handle;
 sysopen $fh, $file, O_RDONLY or
 die "Cannot read $file: $!\n";
 my $found;
 while(my $line = &lt;$fh&gt;) {
 if($line =~ /$search/) {
 $found = 1;
 last;
 }
 }
 if($found) {
 print " Processing in $file\n";
 seek $fh, 0, SEEK_SET;
 my @file = &lt;$fh&gt;;
 foreach my $line (@file) {
 $line =~ s/$search/$replace/g;
 }
 close $fh;
 sysopen $fh, $file, O_WRONLY | O_TRUNC or
 die "Cannot write $file: $!\n";
 print $fh @file;
 }
 close $fh;
}

sub process_dir($) {
 my $dir = shift;
 my $dh = new IO::Handle;
 print "Entering $dir\n";
 opendir $dh, $dir or
 die "Cannot open $dir: $!\n";
 while(defined(my $cont = readdir($dh))) {
 next
 if $cont eq '.' || $cont eq '..';
 # Skip .swap files
 next
 if $cont =~ /^\.swap\./o;
 my $fullpath = File::Spec-&gt;catfile($dir, $cont);
 if($cont =~ /$search/) {
 my $newcont = $cont;
 $newcont =~ s/$search/$replace/g;
 print " Renaming $cont to $newcont\n";
 rename $fullpath, File::Spec-&gt;catfile($dir, $newcont);
 $cont = $newcont;
 $fullpath = File::Spec-&gt;catfile($dir, $cont);
 }
 if(-l $fullpath) {
 my $link = readlink($fullpath);
 if($link =~ /$search/) {
 my $newlink = $link;
 $newlink =~ s/$search/$replace/g;
 print " Relinking $cont from $link to $newlink\n";
 unlink $fullpath;
 my $res = symlink($newlink, $fullpath);
 warn "Symlink of $newlink to $fullpath failed\n"
 unless $res;
 }
 }
 next
 unless -r $fullpath &amp;&amp; -w $fullpath;
 if(-d $fullpath) {
 push @stack, $fullpath;
 } elsif(-f $fullpath) {
 process_file($fullpath);
 }
 }
 closedir($dh);
}

if(-f $startdir) {
 process_file($startdir);
} elsif(-d $startdir) {
 @stack = ($startdir);
 while(scalar(@stack)) {
 process_dir(shift(@stack));
 }
} else {
 die "$startdir is not a file or directory\n";
}
</code></pre>

blocks|key|1548900|text|在可移植性方面，我不依赖特定于linux或BSD的sed特性。取而代之的是，我使用了Kernighan和Pike的“Unix编程环境”一书中的overwrite脚本。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1548901|然后，命令为|1548902|find+/the/folder+-type+f+-exec+overwrite+'{}'+sed+'s/old/new/g'+{}+';'|code-block|syntax|javascript|1548903|overwrite脚本(我到处都在使用它)是|1548904|#!/bin/sh
#+overwrite:++copy+standard+input+to+output+after+EOF
#+(final+version)

#+set+-x

case+$#+in
0%7C1)++++++++echo+'Usage:+overwrite+file+cmd+[args]'+1>&2;+exit+2
esac

file=$1;+shift
new=/tmp/$$.new;+old=/tmp/$$.old
trap+'rm+-f+$new;+exit+1'+1+2+15++++#+clean+up+files

if+"$@"+>$new+++++++++++++++#+collect+input
then
++++cp+$file+$old+++#+save+original+file
++++trap+'trap+""+1+2+15;+cp+$old+$file+++++#+ignore+signals
++++++++++rm+-f+$new+$old;+exit+1'+1+2+15+++#+during+restore
++++cp+$new+$file
else
++++echo+"overwrite:+$1+failed,+$file+unchanged"+1>&2
++++exit+1
fi
rm+-f+$new+$old|1548905|其思想是，只有当命令成功时，它才覆盖文件。在find中很有用，也适用于您不想使用的地方|1548906|sed+'s/old/new/g'+file+>+file++#+THIS+CODE+DOES+NOT+WORK|1548907|因为外壳程序会在sed读取文件之前将其截断。|1548908|entityMap^0|1Z|9|0|0|0|0|9|0|0|M|4|0|0|8|3|0^^$0|@$1|2|3|4|5|6|7|Y|8|@$9|Z|A|10|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|11|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|12|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|13|8|@$9|14|A|15|B|C]]|D|@]|E|$]]|$1|O|3|P|5|J|7|16|8|@]|D|@]|E|$K|L]]|$1|Q|3|R|5|6|7|17|8|@$9|18|A|19|B|C]]|D|@]|E|$]]|$1|S|3|T|5|J|7|1A|8|@]|D|@]|E|$K|L]]|$1|U|3|V|5|6|7|1B|8|@$9|1C|A|1D|B|C]]|D|@]|E|$]]|$1|W|3|-4|5|6|7|1E|8|@]|D|@]|E|$]]]|X|$]]

For portability, I don't rely on features of sed that are specific to linux or BSD. Instead I use the <code>overwrite</code> script from Kernighan and Pike's book on the Unix Programming Environment.

The command is then

<pre><code>find /the/folder -type f -exec overwrite '{}' sed 's/old/new/g' {} ';'
</code></pre>

And the <code>overwrite</code> script (which I use all over the place) is

<pre><code>#!/bin/sh
# overwrite: copy standard input to output after EOF
# (final version)

# set -x

case $# in
0|1) echo 'Usage: overwrite file cmd [args]' 1&gt;&amp;2; exit 2
esac

file=$1; shift
new=/tmp/$$.new; old=/tmp/$$.old
trap 'rm -f $new; exit 1' 1 2 15 # clean up files

if "$@" &gt;$new # collect input
then
 cp $file $old # save original file
 trap 'trap "" 1 2 15; cp $old $file # ignore signals
 rm -f $new $old; exit 1' 1 2 15 # during restore
 cp $new $file
else
 echo "overwrite: $1 failed, $file unchanged" 1&gt;&amp;2
 exit 1
fi
rm -f $new $old
</code></pre>

The idea is that it overwrites a file only if a command succeeds. Useful in <code>find</code> and also where you would not want to use

<pre><code>sed 's/old/new/g' file &gt; file # THIS CODE DOES NOT WORK
</code></pre>

because the shell truncates the file before <code>sed</code> can read it.

blocks|key|1548962|text|我更喜欢使用find+%7C+xargs+cmd而不是find+-exec，因为它更容易记忆。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1548963|此示例将当前目录或其下的.txt文件中的"foo“全局替换为"bar”：|1548964|find+.+-type+f+-name+"*.txt"+-print0+%7C+xargs+-0+sed+-i+"s/foo/bar/g"|code-block|syntax|javascript|1548965|如果您的文件名不包含空格等时髦字符，则可以省略-print0和-0选项。|1548966|entityMap^0|6|G|P|A|0|0|0|N|7|V|2|0^^$0|@$1|2|3|4|5|6|7|Q|8|@$9|R|A|S|B|C]|$9|T|A|U|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|V|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|W|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|X|8|@$9|Y|A|Z|B|C]|$9|10|A|11|B|C]]|D|@]|E|$]]|$1|O|3|-4|5|6|7|12|8|@]|D|@]|E|$]]]|P|$]]

I prefer to use <code>find | xargs cmd</code> over <code>find -exec</code> because it's easier to remember.

This example globally replaces "foo" with "bar" in .txt files at or below your current directory:

<pre><code>find . -type f -name "*.txt" -print0 | xargs -0 sed -i "s/foo/bar/g"
</code></pre>

The <code>-print0</code> and <code>-0</code> options can be left out if your filenames do not contain funky characters such as spaces.

blocks|key|1549012|text|以防文件夹中的文件名有一些常规名称(如file1、file2...)我已经用过循环了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1549013|for+i+in+{1..10000..100};+do+sed+'old\new\g'+'file'$i.xml+>+'cfile'$i.xml;+done|code-block|syntax|javascript|1549014|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

In case the name of files in folder has some regular names (like file1, file2...) I have used for cycle.

<pre><code>for i in {1..10000..100}; do sed 'old\new\g' 'file'$i.xml &gt; 'cfile'$i.xml; done
</code></pre>

blocks|key|1333646|text|示例:将/app/config/文件夹及其子文件夹下所有ini文件的{AutoStart}替换为1：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1333647|sed+'s/{AutoStart}/1/g'+/app/config/**/*.ini|code-block|syntax|javascript|1333648|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Example: replase {AutoStart} with 1 for all of the ini files under the /app/config/ folder and its child folders:

<pre><code>sed 's/{AutoStart}/1/g' /app/config/**/*.ini
</code></pre>

blocks|key|1333659|text|for+i+in+$(ls);do+sed+-i+'s/old_text/new_text/g'+$i;done+|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1333660|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

blocks|key|1549137|text|这对我很有效(在mac终端上，在Linux上，你不需要''+-e)：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1549138|sed+-i+''+-e+'s/old+text/new+text/g'+`grep+'old+text'+-rl+*`|code-block|syntax|javascript|1549139|命令grep+'old+text'+-rl+*列出了工作目录(和子目录)中存在"old+text“的所有文件。然后将其传递到sed中。|1549140|entityMap^0|R|5|0|0|2|L|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|R|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@]|E|$]]|$1|M|3|-4|5|6|7|V|8|@]|D|@]|E|$]]]|N|$]]

This worked for me (on mac terminal, on Linux you don't need <code>'' -e</code>):
<pre><code>sed -i '' -e 's/old text/new text/g' `grep 'old text' -rl *`
</code></pre>
the command <code>grep 'old text' -rl *</code> lists all files in the working directory (and subdirectories) where &quot;old text&quot; exists. This then is passed in sed.

I need to do a regex find and replace on all the files in a folder (and its subfolders). What would be the linux shell command to do that?

For example, I want to run this over all the files and overwrite the old file with the new, replaced text.

<pre><code>sed 's/old text/new text/g' 
</code></pre>

sed beginner: changing all occurrences in a folder

Linux

Unix

我需要对文件夹(及其子文件夹)中的所有文件执行正则表达式查找和替换。要做到这一点，linux shell命令是什么？例如，我想对所有文件运行此命令，并用新的替换文本覆盖旧文件。sed 's/old text/new text/g' 

问sed初学者:更改文件夹中的所有事件
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