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Windows NT-XP




Windows NT command.com MS-Dos ( ) Windows NT cmd.exe (%SytemRoot%\System32).

// , FAR cmd.exe . cmd.exe , command.com /C, /K, . /X /Y ( ).

, Windows 9x, set. , , , .

, , set . . /:

SET / =

/ , , .

,

SET / =1+2

M .

, set, , :

();

(*), (/), (%);

(+) (-);

(<<) (>>);

(&);

();

(|);

=*, =/, =%, =+, =-, =, &=, ^=, |=, <<= >>=;

(,).

. 0x -16, 0b - 2, 0 - 8. , . , . , X ,

SET /A N=X+5

n .

, / , % . , ( ).

Windows NT, Windows 9x, , , : bat cmd. setlocal, endlocal, pushd, popd, a goto, call, if, for.

Windows NT , . . , . SETLOCAL , .. , setlocal, . setlocal ENDLOCAL .

%*, :

%~Fn %~F1=C:\TEXT\.doc
%~Dn %~D1=C:
%~Pn %~P1=\TEXT\
%~Nn %~N1=
%~Xn %~X1=doc

:EOF, . - (GOTO:EOF).

CALL ( ). , . ( , call, ).

IF:

1) IF [/I] 1 _ 2

_ : EQL , NEQ , LSS , GTR , LEQ , GEQ . /I .

2) IF CMDEXTVERSION

( 2000 XP -?)

3) IF DEFINED

, .

Windows NT FOR, :

1) FOR /D % IN () DO []

, C:





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