Автор: W.F. Barnard
Год: 1986
Издатели: ZX Computing
Языки:
Английский
Формат:
Картридж Microdrive
Требования:
ZX Spectrum 16K, 
Microdrive
Ссылки:
Страница на ZXArt
Страница на World Of Spectrum
Страница на Spectrum Computing
Скриншоты:
Описание:
Microdrive File Utility Suite, разработанный W.F. Barnard, представляет собой набор из трех программ, предназначенных для управления файлами на системе Microdrive ZX Spectrum. Выпущенный в 1986 году, этот пакет помогает пользователям эффективно организовывать и управлять своими файлами.
Первая программа,File Analyser, предоставляет подробную информацию о структуре файла, отображая информацию по строкам, включая номер строки, длину и общее количество байтов. Этот инструмент важен для пользователей, которым необходимо понять состав своих файлов.
Вторая утилита,File Copier, позволяет пользователям дублировать файлы на других картриджах, используя один Microdrive. Она упрощает процесс копирования файлов и включает функцию архивации для сохранения файлов на кассеты.
Наконец,File Sorterорганизует файлы до 90К в алфавитном порядке. Возможности сортировки зависят от количества доступных Microdrive, что делает его адаптируемым для различных конфигураций. Этот пакет является ценным ресурсом для управления данными на ZX Spectrum.
Год: 1986
Издатели: ZX Computing
Языки:
АнглийскийФормат:
Картридж MicrodriveТребования:
ZX Spectrum 16K, MicrodriveСсылки:
Страница на ZXArt Страница на World Of Spectrum Страница на Spectrum ComputingСкриншоты:
Описание:
Microdrive File Utility Suite, разработанный W.F. Barnard, представляет собой набор из трех программ, предназначенных для управления файлами на системе Microdrive ZX Spectrum. Выпущенный в 1986 году, этот пакет помогает пользователям эффективно организовывать и управлять своими файлами.
Первая программа,File Analyser, предоставляет подробную информацию о структуре файла, отображая информацию по строкам, включая номер строки, длину и общее количество байтов. Этот инструмент важен для пользователей, которым необходимо понять состав своих файлов.
Вторая утилита,File Copier, позволяет пользователям дублировать файлы на других картриджах, используя один Microdrive. Она упрощает процесс копирования файлов и включает функцию архивации для сохранения файлов на кассеты.
Наконец,File Sorterорганизует файлы до 90К в алфавитном порядке. Возможности сортировки зависят от количества доступных Microdrive, что делает его адаптируемым для различных конфигураций. Этот пакет является ценным ресурсом для управления данными на ZX Spectrum.
Microdrive File Utility Suite
W.F. Barnard of Oxon helps to get us
organised with three useful programs
for use with files.
"We'd like to know a [little] bit about you for our files"
said Simon and Garfunk[el] to Mrs. Robinson. She needn't
have worried if they were kept on a Microdrive as they are
bound to get lost or confused.
But, now we have this suite of program to enable Micro-
drive owners to get some order and organisation in their
system, three in all and they perform the following tasks:
1) FILE ANALYSER
This program prompts for the name of a file and which
Microdrive it is on. It then reads through the file
displaying information about each line and then the line
itself. The information is of the form:
Line number, Line length, Maximum line length so far, and
the Total number of bytes in the file so far.
The listing can be halted for viewing by pressing any key.
It is assumed that the last line of the file is four stars,
i.e. '****'.
2) FILE COPIER
With only one Microdrive it is not easy to make copies of
data files onto other cartridges. This program will make a
copy of a Microdrive file to another cartridge using only
one Microdrive. The size of the file is limited by the
amount of memory available in the computer.
The program prompts for the filename, the number of
lines in the file and the length of the longest line in the
file. If any of this information is not known then the file
should be first read by my File Analyser. If the last line
of the file is not '****', then this is added for future
use. A facility is also included to make a copy of this
file to cassette. This is sometimes known as archiving.
3) FILE SORTER
This program allows Microdrive files of up to 90K to be
sorted into alphabetical order. The size of the file that
can be sorted depends on how many Microdrives you have.
Assuming that a full 90K is available on your cartridges
then with one Microdrive a file of 30K can be sorted, with
two Microdrives a file of 45K, and with three Microdrives a
file of 90K.
The program uses two temporary files during my sort and
merge algorithm. The last line of the file again should be
'****'. The program will take some [or many!] minutes to
sort a large file so it tells you roughly what it is doing
whilst executing.
The program reads so many lines from the main file into
an array and then sorts these into order. It then merges
this array with one of the temporary files into the other
temporary file. This continues until the end of the main
file. The number of lines that are read from the main file
and sorted is selected by the user. This value together
with the length of the longest line should be as large as
the computer's memory allows.
[ As this is a Microdrive suite, I have supplied these
programs in a .mdr file instead of the more usual .tzx.
Well, if you can't read it, they wouldn't be much use
anyway, would they?
Apart from the three main programs, the .mdr also has
four data files on it. "datafile" is a normal data file,
as expected by the programs. "endless" is a file without
the concluding '****' line, and "brokenfile" is one which
has two '****' lines, one halfway through and one at the
end; I provided those so you can see how the programs
break when given inappropriate files.
"largefile" is a file of just over 48 kilobytes, to give
the suite something to stretch its muscles. Copier, of
course, won't handle it, since it won't fit in memory at
all. Analyser has no problems with it. Neither does
Sorter, if you give it a second .mdr to use, although it
does take rather a while to handle it; on my emulator,
it took over 10 minutes to sort, at about 800% speed-up.
Doing the maths, on a real Speccy it should have taken
well over an hour - rather a bit more than the "some
minutes" Mr. Barnard refers to! But, long time or not,
it did manage to sort the entire file.
Finally I added the two programs, "File Entry" and "Make
Large", which I used to create these files. Both create
files only on Microdrive nr. 1; apart from that, their
operation should be obvious.
RLB, Januari 2012 ]
W.F. Barnard of Oxon helps to get us
organised with three useful programs
for use with files.
"We'd like to know a [little] bit about you for our files"
said Simon and Garfunk[el] to Mrs. Robinson. She needn't
have worried if they were kept on a Microdrive as they are
bound to get lost or confused.
But, now we have this suite of program to enable Micro-
drive owners to get some order and organisation in their
system, three in all and they perform the following tasks:
1) FILE ANALYSER
This program prompts for the name of a file and which
Microdrive it is on. It then reads through the file
displaying information about each line and then the line
itself. The information is of the form:
Line number, Line length, Maximum line length so far, and
the Total number of bytes in the file so far.
The listing can be halted for viewing by pressing any key.
It is assumed that the last line of the file is four stars,
i.e. '****'.
2) FILE COPIER
With only one Microdrive it is not easy to make copies of
data files onto other cartridges. This program will make a
copy of a Microdrive file to another cartridge using only
one Microdrive. The size of the file is limited by the
amount of memory available in the computer.
The program prompts for the filename, the number of
lines in the file and the length of the longest line in the
file. If any of this information is not known then the file
should be first read by my File Analyser. If the last line
of the file is not '****', then this is added for future
use. A facility is also included to make a copy of this
file to cassette. This is sometimes known as archiving.
3) FILE SORTER
This program allows Microdrive files of up to 90K to be
sorted into alphabetical order. The size of the file that
can be sorted depends on how many Microdrives you have.
Assuming that a full 90K is available on your cartridges
then with one Microdrive a file of 30K can be sorted, with
two Microdrives a file of 45K, and with three Microdrives a
file of 90K.
The program uses two temporary files during my sort and
merge algorithm. The last line of the file again should be
'****'. The program will take some [or many!] minutes to
sort a large file so it tells you roughly what it is doing
whilst executing.
The program reads so many lines from the main file into
an array and then sorts these into order. It then merges
this array with one of the temporary files into the other
temporary file. This continues until the end of the main
file. The number of lines that are read from the main file
and sorted is selected by the user. This value together
with the length of the longest line should be as large as
the computer's memory allows.
[ As this is a Microdrive suite, I have supplied these
programs in a .mdr file instead of the more usual .tzx.
Well, if you can't read it, they wouldn't be much use
anyway, would they?
Apart from the three main programs, the .mdr also has
four data files on it. "datafile" is a normal data file,
as expected by the programs. "endless" is a file without
the concluding '****' line, and "brokenfile" is one which
has two '****' lines, one halfway through and one at the
end; I provided those so you can see how the programs
break when given inappropriate files.
"largefile" is a file of just over 48 kilobytes, to give
the suite something to stretch its muscles. Copier, of
course, won't handle it, since it won't fit in memory at
all. Analyser has no problems with it. Neither does
Sorter, if you give it a second .mdr to use, although it
does take rather a while to handle it; on my emulator,
it took over 10 minutes to sort, at about 800% speed-up.
Doing the maths, on a real Speccy it should have taken
well over an hour - rather a bit more than the "some
minutes" Mr. Barnard refers to! But, long time or not,
it did manage to sort the entire file.
Finally I added the two programs, "File Entry" and "Make
Large", which I used to create these files. Both create
files only on Microdrive nr. 1; apart from that, their
operation should be obvious.
RLB, Januari 2012 ]