?????? ??????? ????????? ????? ?? ???? ?? ??? ????

?????? ????????? ?????? ?????????
???? ???????: 75634 - ??? ???????? ???? ????? ????? ??? ???????.
????? ???? | ?? ????

??????

????? ??????? ???? ??????? (%) ?? ??? ???? ????? ????? ??????? ??????? (%).

??? ???? ??????? ?? ???? ????? ???? "% 5" ?? ??? ????:
   ECHO 5%%
				

??????? ????

?????? MS-DOS % 1 % 2... %9 ??????? ??? ??????? ?????????. ??? ???? ??????? ??? ????? ????? ECHO % 1, ???? ??????? %1 ?? ??????? ?????? ???? ?? ??????? ??? ??? ????. ??? ??????? %0 ????? ???????? ????? ??? ????.

??? ??????? ?? ????? ?????? ??????? ??? ??? ???? "nul" ?? ??? ????. ??? ???? ??????:
   ECHO %     is processed as ECHO
   ECHO a%b   is processed as ECHO ab
				
??? ??? ????? ??? ?????? ?????? ??????? ????? ? MS-DOS ???? ??????? ?? ??? ???? ???? ????? ???? ????? ???? ??????? ???????. ??? ???? ??????? ??? ????? ????? SET ?? ??????? ?????? ??????? ??
   COMSPEC=C:\COMMAND.COM
   PATH=C:\DOS
   PROMPT=$P$G
   B=C
				
??
   ECHO %PATH%     is processed as ECHO C:\DOS
   ECHO a%b%       is processed as ECHO aC
   ECHO a%b b%a    is processed as ECHO aa
				
??? ???? ?? ?? ?????? ??? ?????? ?????? ??????? ????? ????? ????? ?????? ??????? ???? ???? ????? ?????. ??? ??? ????? FOR echos ??? ?? ??? ?? ???? .COM ?????
   FOR %V IN (*.COM) DO ECHO %V
				
???? ??? ??? ??? ????? ?? ??? ???? ??????? ??????:
   FOR %%V IN (*.COM) DO ECHO %%V
				
Reference(s):

"Microsoft MS-DOS ??????? ??? ?????? ??????," Microsoft Press.

???????

???? ???????: 75634 - ????? ??? ??????: 09/???? ?????/1424 - ??????: 2.0
????? ???
  • Microsoft MS-DOS 3.1
  • Microsoft MS-DOS 3.2 Standard Edition
  • Microsoft MS-DOS 3.21 Standard Edition
  • Microsoft MS-DOS 3.3 Standard Edition
  • Microsoft MS-DOS 3.3a
  • Microsoft MS-DOS 4.0 Standard Edition
  • Microsoft MS-DOS 4.01 Standard Edition
  • Microsoft MS-DOS 5.0 Standard Edition
  • Microsoft MS-DOS 5.0a
  • Microsoft MS-DOS 6.0 Standard Edition
  • Microsoft MS-DOS 6.2 Standard Edition
  • Microsoft MS-DOS 6.21 Standard Edition
  • Microsoft MS-DOS 6.22 Standard Edition
????? ??????: 
kbmt KB75634 KbMtar
????? ????
???: ??? ????? ??? ?????? ???????? ?????? ????? ???? ????? ?????????? ????? ?? ????????? ?????? ????. ???? ???? ?????????? ???? ?? ???????? ???????? ?????? ????????? ????? ????????? ???????? ????? ???????? ?????? ?? ?????? ??? ?? ???????? ???????? ?? ????? ??????? ?????? ??? ??????? ?????? ??. ?????? ?? ???? ??? ??????? ???????? ????? ?? ???? ????? ?????? ??? ????? ??? ????? ??????? ?? ????? ?? ?????? ??? ??? ??????? ??????? ?? ????? ????? ????? ????? ?????. ?? ????? ???? ?????????? ??????? ??? ????? ?? ??????? ?? ????? ?????? ?? ??? ????? ?? ????? ??????? ?? ???????? ?? ??? ???????. ???? ???? ?????????? ???????? ??? ????? ?????? ??????? ??????
???? ??? ????? ??????? ?????? ??????????75634
????? ??????? ?? ????? ???? ?? ????? ???????
?? ????? ????? ?????? ???? ???? ???? ??? ??????? ??? ?? ? ?? ??? ??????? Microsoft ??? ????? ??? ??????? ????? ?????? ?????

????? ???????

 

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