)
: IF [NOT] <1>= =<2> <>
, "= =".
<1> = = <2>, <>. .
5. iftren.bat, "K", "P", .
if '%1'= ='K' F:\WORK\KEYTREN\TRK
if {%1}= ={P} H:\LANG\TP\TURBO
if #%1#= =## echo : iftren K ( iftren P)
%1 "K", "P", , BAT- . IF , "K", , . IF "P" TURBO. IF , BAT- , , .
. ifdir.bat, ("S", "P" "W") DIR , .
IF GOTO.
6. iftren.bat 5, :
@echo off
if '%1'= ='K' goto kt
if {%1}= ={P} goto tp
if *%1*= =** echo : iftren K ( iftren P)
goto end
:tp
cls
echo TURBO PASCAL...
H:\LANG\TP\TURBO
goto end
:kt
cls
echo TRK...
F:\WORK\KEYTREN\TRK
:end
. iftren.bat 6 .
) .
: IF [NOT] EXIST [<>][<>]< > <>
IF , , <>.
7. ifexist.bat, , , , $$$. , :
@echo off
cls
if exist %1 goto yes
echo !
goto end
:yes
copy %1 *.$$$
:end
. ifexist.bat 7 .
8.
BAT- . , .
: FOR %%<> IN (<>) DO <>
|
|
|
<> - DOS. <> ( ), . <> . <> .
<>:
(*.doc)
(*.txt a*.bat *.exe)
(1 2 3 4 5 6 7)
(A B C D E F G H I J)
8. TXT- .
@echo off
for %%f in (*.txt) do type %%f
type %%f %%f TXT- .
9. ABFG.bat : CAT-A, CAT-B, CAT-F, CAT-G, , A, B, F, G.
@echo off
for %%c in (A B F G) do md cat-%%c
for %%f in (A*.*) do copy %%f cat-A
for %%f in (b*.*) do copy %%f cat-b
for %%f in (f*.*) do copy %%f cat-f
for %%f in (g*.*) do copy %%f cat-g
. ABFG.bat .
, , ABFG.bat.
9. BAT- BAT-
BAT- . , , , . .
) BAT- ( , ). BAT- BAT-. ,
) BAT- CALL:
: CALL < BAT-> [< >]
. BAT- BAT-. , CALL.
