我希望批处理文件在文件或变量中将此符号"="替换为此符号"？"
例如：
@echo off
set file="=test.exe"
set name2=%file:==?%
ren %file% %name2%
（（如果你给我的变量代码会更好）））
http://www.dostips.com/forum/viewtopic.php?f=3&t=1485 对此和相关问题进行了广泛的讨论。有很多建议的解决方案。
我的 REPL.BAT 实用程序似乎是一个不错的选择，但在尝试将结果捕获回环境变量时存在潜在问题。可以使用 FOR/F，但它存在换行符的问题，以及当结果包含!（可能^）字符并启用延迟扩展时的复杂性。
所以我决定编写一个REPL的变体.BAT称为REPLVAR.BAT具有以下功能：
- 输入和输出值都通过变量名称通过引用传递。
- 搜索可以解释为正则表达式或字符串文本。
- 搜索可以区分大小写或不区分大小写
- 替换字符串可以引用搜索中的匹配内容。
- 搜索字符串和目标字符串都支持许多转义序列：支持所有可能的字节代码。
- 可以在启用或禁用延迟扩展的情况下安全地调用该实用程序，并且将保留所有输入和输出字符。
注意 - 该实用程序适用于扩展的 ASCII 值。该变量应包含映射到活动代码页的值。此外，最终输出必须与活动代码页兼容，否则将引发错误。
该实用程序是纯脚本，是 JScript 和批处理的混合体。它应该在XP以后的任何现代Windows机器上运行。脚本中嵌入了完整的文档。
下面是一个简单的用法示例：
@echo off
setlocal enableDelayedExpansion
set "input=1 + 1 = 3!"
call replVar input output "=" "<>" L
echo(!output!
--输出--
1 + 1 <> 3!
我最初在 http://www.dostips.com/forum/viewtopic.php?f=3&t=5492 发布了代码，但我也将其包含在这里：
@if (@X)==(@Y) @end /* Harmless hybrid line that begins a JScript comment
::************ Documentation ***********
::REPLVAR.BAT version 1.4
:::
:::REPLVAR InVar OutVar Search Replace [Options]
:::REPLVAR /?[REGEX|REPLACE]
:::REPLVAR /V
:::
::: Performs a global regular expression search and replace on the contents of
::: variable InVar and writes the result to variable OutVar.
:::
::: REPLVAR.BAT works properly with delayed expansion enabled or disabled.
:::
::: REPLVAR.BAT treats the source variable value as extended ASCII. The value
::: should map properly to the active code page. Unicode source values that
::: do not map to the active code page will be silently transformed to a new
::: value that does map to the active code page. The result of the search and
::: replace must be compatible with the active code page, otherwise an error
::: is raised.
:::
::: The maximum supported output string length usually approaches the 8191
::: maximum for most strings. But it could be significantly less if the output
::: string contains many % " r or n characters, as they must be temporarily
::: expanded into 2 or 3 bytes. Also, ^ and ! characters are temporarily
::: expanded into 2 bytes if delayed expansion is enabled.
:::
::: REPLVAR.BAT returns with ERRORLEVEL 0 upon success, and ERRORLEVEL 1
::: upon error. If the A option is used and the input was not altered then
::: OutVar is undefined and ERRORLEVEL set to 2.
:::
::: Each parameter may be optionally enclosed by double quotes. The double
::: quotes are not considered part of the argument. The quotes are required
::: if the parameter contains a batch token delimiter like space, tab, comma,
::: semicolon. The quotes should also be used if the argument contains a
::: batch special character like &, |, etc. so that the special character
::: does not need to be escaped with ^.
:::
::: If called with a single argument of /?, then prints help documentation
::: to stdout. If a single argument of /?REGEX, then opens up Microsoft's
::: JScript regular expression documentation within your browser. If a single
::: argument of /?REPLACE, then opens up Microsoft's JScript REPLACE
::: documentation within your browser.
:::
::: If called with a single argument of /V, case insensitive, then prints
::: the version of REPLVAR.BAT.
:::
::: InVar - The name of a variable containing the source string.
:::
::: OutVar - The name of a variable where the result should be stored.
:::
::: Search - By default, this is a case sensitive JScript (ECMA) regular
::: expression expressed as a string.
:::
::: The search is conducted using the regular expression g (global)
::: and m (multilline) flags.
:::
::: JScript regex syntax documentation is available at
::: http://msdn.microsoft.com/en-us/library/ae5bf541(v=vs.80).aspx
:::
::: Replace - By default, this is the string to be used as a replacement for
::: each found search expression. Full support is provided for
::: substituion patterns available to the JScript replace method.
:::
::: For example, $& represents the portion of the source that matched
::: the entire search pattern, $1 represents the first captured
::: submatch, $2 the second captured submatch, etc. A $ literal
::: can be escaped as $$.
:::
::: An empty replacement string must be represented as "".
:::
::: Replace substitution pattern syntax is fully documented at
::: http://msdn.microsoft.com/en-US/library/efy6s3e6(v=vs.80).aspx
:::
::: Options - An optional string of characters used to alter the behavior
::: of REPLVAR. The option characters are case insensitive, and may
::: appear in any order.
:::
::: I - Makes the search case-insensitive.
:::
::: L - The Search is treated as a string literal instead of a
::: regular expression. Also, all $ found in Replace are
::: treated as $ literals.
:::
::: B - The Search must match the beginning of a line.
::: Mostly used with literal searches.
:::
::: E - The Search must match the end of a line.
::: Mostly used with literal searches.
:::
::: A - Only return a value if the input was altered. If not altered,
::: then ERRORLEVEL is set to 2.
:::
::: X - Enables extended substitution pattern syntax with support
::: for the following escape sequences within the Replace string:
:::
::: \ - Backslash
::: b - Backspace
::: f - Formfeed
::: n - Newline
::: q - Quote
::: r - Carriage Return
::: t - Horizontal Tab
::: v - Vertical Tab
::: xnn - Extended ASCII byte code expressed as 2 hex digits
::: unnnn - Unicode character expressed as 4 hex digits
:::
::: Also enables the q escape sequence for the Search string.
::: The other escape sequences are already standard for a regular
::: expression Search string.
:::
::: Also modifies the behavior of xnn in the Search string to work
::: properly with extended ASCII byte codes.
:::
::: Extended escape sequences are supported even when the L option
::: is used. Both Search and Replace support all of the extended
::: escape sequences if both the X and L opions are combined.
:::
::: REPLVAR.BAT was written by Dave Benham, with assistance from DosTips users
::: Aacini and Liviu regarding complications due to JScript's use of unicode vs.
::: cmd.exe's use of extended ASCII. REPLVAR.BAT also uses a modifed form of the
::: safe return technique developed by DosTips user jeb. Updates to REPLVAR.BAT
::: will be posted to the original posting site:
::: http://www.dostips.com/forum/viewtopic.php?f=3&t=5492
:::
::************ Batch portion ***********
@echo off
if .%4 equ . (
if "%~1" equ "/?" (
for /f "delims=: tokens=1*" %%A in ('findstr /n "^:::" "%~f0"') do echo(%%B
exit /b 0
) else if /i "%~1" equ "/?REGEX" (
start "" "http://msdn.microsoft.com/en-us/library/ae5bf541(v=vs.80).aspx"
exit /b 0
) else if /i "%~1" equ "/?REPLACE" (
start "" "http://msdn.microsoft.com/en-US/library/efy6s3e6(v=vs.80).aspx"
exit /b 0
) else if /i "%~1" equ "/V" (
for /f "delims=: tokens=1*" %%A in ('findstr /nblc:"::REPLVAR.BAT version" "%~f0"') do echo(%%B
exit /b 0
) else (
call :err "Insufficient arguments"
exit /b 1
)
)
echo(%~5|findstr /i "[^ILEBXA]" >nul && (
call :err "Invalid option(s)"
exit /b 1
)
setlocal
set "$replVar.notDelayed=!!"
setlocal enableDelayedExpansion
for /f "delims==" %%V in ('set ~ 2^>nul') do set "%%V="
set "~=!%~1!"
setlocal disableDelayedExpansion
set "rtn="
for /f delims^=^ eol^= %%A in (
'set ~ 2^>nul^|cscript //E:JScript //nologo "%~f0" "%$replVar.notDelayed%" %3 %4 %5'
) do set "rtn=%%A"
if defined rtn (
set "err=%rtn:~0,1%"
set "rtn=%rtn:~1%"
) else set "err=2"
if %err% equ 1 (echo ERROR: Result not compatible with active code page) >&2
if %err% equ 2 (echo Input not altered) >&2
setlocal enableDelayedExpansion
set ^"LF=^
^"
for /f %%A in ('copy /z "%~dpf0" nul') do set "CR=%%A"
set "replace=%% """ !CR!!CR!"
for /f "tokens=1,2,3" %%J in ("!replace!") do for %%M in ("!LF!") do (
endlocal
endlocal
endlocal
endlocal
set "%~2=%rtn%" !
exit /b %err%
)
:err
>&2 echo ERROR: %~1. Use replVar /? to get help.
exit /b
************* JScript portion **********/
var env=WScript.CreateObject("WScript.Shell").Environment("Process");
var args=WScript.Arguments;
var search=args.Item(1);
var replace=args.Item(2);
var options="gm";
if (args.length>3) options+=args.Item(3).toLowerCase();
var alterations=(options.indexOf("a")>=0);
if (alterations) options=options.replace(/a/g,"");
if (options.indexOf("x")>=0) {
options=options.replace(/x/g,"");
replace=replace.replace(/\\/g,"\B");
replace=replace.replace(/\q/g,""");
replace=replace.replace(/\x80/g,"\u20AC");
replace=replace.replace(/\x82/g,"\u201A");
replace=replace.replace(/\x83/g,"\u0192");
replace=replace.replace(/\x84/g,"\u201E");
replace=replace.replace(/\x85/g,"\u2026");
replace=replace.replace(/\x86/g,"\u2020");
replace=replace.replace(/\x87/g,"\u2021");
replace=replace.replace(/\x88/g,"\u02C6");
replace=replace.replace(/\x89/g,"\u2030");
replace=replace.replace(/\x8[aA]/g,"\u0160");
replace=replace.replace(/\x8[bB]/g,"\u2039");
replace=replace.replace(/\x8[cC]/g,"\u0152");
replace=replace.replace(/\x8[eE]/g,"\u017D");
replace=replace.replace(/\x91/g,"\u2018");
replace=replace.replace(/\x92/g,"\u2019");
replace=replace.replace(/\x93/g,"\u201C");
replace=replace.replace(/\x94/g,"\u201D");
replace=replace.replace(/\x95/g,"\u2022");
replace=replace.replace(/\x96/g,"\u2013");
replace=replace.replace(/\x97/g,"\u2014");
replace=replace.replace(/\x98/g,"\u02DC");
replace=replace.replace(/\x99/g,"\u2122");
replace=replace.replace(/\x9[aA]/g,"\u0161");
replace=replace.replace(/\x9[bB]/g,"\u203A");
replace=replace.replace(/\x9[cC]/g,"\u0153");
replace=replace.replace(/\x9[dD]/g,"\u009D");
replace=replace.replace(/\x9[eE]/g,"\u017E");
replace=replace.replace(/\x9[fF]/g,"\u0178");
replace=replace.replace(/\b/g,"b");
replace=replace.replace(/\f/g,"f");
replace=replace.replace(/\n/g,"n");
replace=replace.replace(/\r/g,"r");
replace=replace.replace(/\t/g,"t");
replace=replace.replace(/\v/g,"v");
replace=replace.replace(/\x[0-9a-fA-F]{2}|\u[0-9a-fA-F]{4}/g,
function($0,$1,$2){
return String.fromCharCode(parseInt("0x"+$0.substring(2)));
}
);
replace=replace.replace(/\B/g,"\");
search=search.replace(/\\/g,"\B");
search=search.replace(/\q/g,""");
search=search.replace(/\x80/g,"\u20AC");
search=search.replace(/\x82/g,"\u201A");
search=search.replace(/\x83/g,"\u0192");
search=search.replace(/\x84/g,"\u201E");
search=search.replace(/\x85/g,"\u2026");
search=search.replace(/\x86/g,"\u2020");
search=search.replace(/\x87/g,"\u2021");
search=search.replace(/\x88/g,"\u02C6");
search=search.replace(/\x89/g,"\u2030");
search=search.replace(/\x8[aA]/g,"\u0160");
search=search.replace(/\x8[bB]/g,"\u2039");
search=search.replace(/\x8[cC]/g,"\u0152");
search=search.replace(/\x8[eE]/g,"\u017D");
search=search.replace(/\x91/g,"\u2018");
search=search.replace(/\x92/g,"\u2019");
search=search.replace(/\x93/g,"\u201C");
search=search.replace(/\x94/g,"\u201D");
search=search.replace(/\x95/g,"\u2022");
search=search.replace(/\x96/g,"\u2013");
search=search.replace(/\x97/g,"\u2014");
search=search.replace(/\x98/g,"\u02DC");
search=search.replace(/\x99/g,"\u2122");
search=search.replace(/\x9[aA]/g,"\u0161");
search=search.replace(/\x9[bB]/g,"\u203A");
search=search.replace(/\x9[cC]/g,"\u0153");
search=search.replace(/\x9[dD]/g,"\u009D");
search=search.replace(/\x9[eE]/g,"\u017E");
search=search.replace(/\x9[fF]/g,"\u0178");
if (options.indexOf("l")>=0) {
search=search.replace(/\b/g,"b");
search=search.replace(/\f/g,"f");
search=search.replace(/\n/g,"n");
search=search.replace(/\r/g,"r");
search=search.replace(/\t/g,"t");
search=search.replace(/\v/g,"v");
search=search.replace(/\x[0-9a-fA-F]{2}|\u[0-9a-fA-F]{4}/g,
function($0,$1,$2){
return String.fromCharCode(parseInt("0x"+$0.substring(2)));
}
);
search=search.replace(/\B/g,"\");
} else search=search.replace(/\B/g,"\\");
}
if (options.indexOf("l")>=0) {
options=options.replace(/l/g,"");
search=search.replace(/([.^$*+?()[{\|])/g,"\$1");
replace=replace.replace(/$/g,"$$$$");
}
if (options.indexOf("b")>=0) {
options=options.replace(/b/g,"");
search="^"+search
}
if (options.indexOf("e")>=0) {
options=options.replace(/e/g,"");
search=search+"$"
}
var search=new RegExp(search,options);
var str1, str2, delay;
delay=args.Item(0);
if (!WScript.StdIn.AtEndOfStream) str1=WScript.StdIn.ReadAll(); else str1="";
str1=str1.substr(2,str1.length-4);
str2=str1.replace(search,replace);
if (!alterations || str1!=str2) {
str2=str2.replace(/%/g,"%J");
str2=str2.replace(/"/g,"%~K");
str2=str2.replace(/r/g,"%L");
str2=str2.replace(/n/g,"%~M");
if (delay=="") {
str2=str2.replace(/^/g,"^^");
str2=str2.replace(/!/g,"^!");
}
try {
WScript.Stdout.Write("0"+str2);
} catch (e) {
WScript.Stdout.Write("1");
}
}
@ECHO OFF
SETLOCAL
set "junk=hello=this=is=the=original="
set "junk=q%junk%q"
:again
for /f "tokens=1*delims==" %%a in ("%junk%") do if not "%%b"=="" set "junk=%%a?%%b"&goto again
set junk=%junk:~1,-1%
echo result:%junk%:
GOTO :EOF
如果有连续的"="，需要更偷偷摸摸......
编辑以适应初始或终端=
试试吧
@echo off
set file="=test.exe"
set "name2=^"%file:~2%"
ren %file% %name2%
但是，ren命令似乎不起作用。它会将文件=test.exe重命名为 ?test.exe 吗？