|
End
of Line and End of File
- In DOS
- Each line is terminated with a carriage return (^M ) plus a linefeed (^J )
- End of file is triggered by a ^Z
- In AIX
- Each line is terminated with a line feed only (^J)
- End of file is triggered by a ^D
Other commands and their associated decimal value or mnemoic.
| Command |
Menomic |
ASCII Code |
String Value |
| Line Feed |
LF |
10 |
\n |
| Form Feed |
FF |
12 |
\f |
| Carriage Return |
CD |
13 |
\r |
| New Line |
NL |
13, 10 |
\r\n |
| XOn |
DC1 |
17 |
(None) |
| XOff |
DC3 |
19 |
(None) |
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dosdel
Deletes a DOS file
Example:dosdel -D/dev/fd1 test.dat
Deletes the file 'test.dat' in the current directory. If the file
to be removed was found on /dev/fd0, the -D/dev/fd1reference would not have been needed because the default
floppy device is fd0
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dosdir
List the directory of DOS files. If the diskette does not contain a DOS filesystem,
the following error message is displayed: DOS filesystem invalid or inaccessible
Default floppy device = /dev/fd0
Examples:
- dosdir -l
-l long listing (file size, creation date, and attributes)
- dosdir -v
Displays attributes about the format of the disk. You can
use the -v flag to verify that a device is a DOS disk.
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dosformat
Formats a DOS diskette
Example:dosformat -D/dev/fd0
- /dev/fd0 = 3.5", 1.44MB diskette
- /dev/fd0 -4 = 3.5", 720KB diskette
- /dev/fd1 = 5.25", 1.2Mb diskette
- /dev/fd1 -4 = 5.25", 360Kb diskette
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dosread
Copies DOS files to AIX files
Examples: dosread -a DOS.FIL aix.fil
-a replaces the Return/LineFeed with Newline and ^Z with ^D
To copy all the files on the DOS diskette...
cd $HOME (go to your home directory )
mkdir dos (create directory named dos )
cd dos
for i in `dosdir|grep -v "^Free"`
do
echo Copying $i...
dosread -a $i $i
done
Ignore error message displayed when you first execute the script.
To rename those files that were just taken off the DOS diskette FROM uppercase TO lowercase, use the following script:
for i in `ls`
do
lower=`echo $i|tr '[A-Z]' '[a-z]'`
mv $i $lower
done
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doswrite
Copies AIX files to DOS files. The diskette mustbe
formatted for DOS. To copy a BINARY file, don't use the -a option with this command.
Example doswrite -a aix.fil DOS.FIL
-a replaces NL with CR/LF and ^D with ^Z sequence
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