Co robi M4 użycie. Konsola Macro processor for C and other files uruchomić.

Czy przydatne?

Polecenie m4

Wykonanie, użycie: Macro processor for C and other files

Opcje wykonania m4 w konsoli

-e, --interactive

Operate interactively, unbuffered, ignoring interrupts.

-dflags, --debug=flags

Specify flag-level debugging.

--help

Print help message, then exit.

-ln, --arglength=n

Specify the length of debugging output.

-o file, --error-output=file

Place output in file. Despite the name, print error messages on standard error.

-P, --prefix-built-ins

Prepend m4_ to all built-in macro names.

-s, --synclines

Insert #line directives for the C preprocessor.

-tname, --trace=name

Insert name into symbol table as undefined. Trace macro from the point it is defined.

--version

Print version, then exit.

-Bn

Set the size of the pushback and argument collection buffers to n (default is 4096).

-Dname[=value] , --define=name[=value]

Define name as value or, if value is not specified, define name as null.

-E, --fatal-warnings

Consider all warnings to be fatal, and exit after the first of them.

-Ffile, --freeze-state=file

Record m4's frozen state in file for later reloading.

-G, --traditional

Behave like traditional m4, ignoring GNU extensions.

-Hn, --hashsize=n

Set symbol-table hash array to n (default is 509).

-Idirectory, --include=directory

Search directory for include files.

-Ln, --nesting-limit=n

Change artificial nesting limit to n.

-Q, --quiet, --silent

Suppress warning messages.

-Rfile, --reload-state=file

Load state from file before starting execution.

-Uname, --undefine=name

Undefine name.

Przykłady m4 działanie w Słownik polecenie M

Przykład M4 użycie :
Jak użyć MS-DOS file or directory within a single filesystem. If no drive letter is specified for the target file or directory, the source drive is assumed. If no drive letter is specified for either the co znaczy.
Przykład M4 użycie :
Jak użyć Mount an MS-DOS filesystem, passing the mount-arguments to mount . If no mount-arguments are specified, the device name is used. See mount and mtools for more information krzyżówka.
Przykład M4 użycie :
Jak użyć Label an MS-DOS filesystem (maximum of 11 characters), first displaying the current label if there is one. See mtools for more information. If no label is specified, prompt the user for one co to jest.
Przykład M4 użycie :
Jak użyć directories . You must have write permission in the parent directory in order to create a directory. See also rmdir . The default mode of the new directory is 0777, modified by the system or user&# słownik.
Przykład M4 użycie :
Jak użyć ISO9660/Joliet/HFS filesystem for writing to a CD with a utility such as cdrecord . (HFS is the native Macintosh Hierarchical File System.) mkisofs takes a snapshot of a directory tree and generates czym jest.