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C++ API

: val = save_header_format_string ()

: old_val = save_header_format_string (new_val)

: save_header_format_string (new_val, "local")

Query or set the internal variable that specifies the format string used for the comment line written at the beginning of text-format data files saved by Octave.

The format string is passed to strftime and should begin with the character ‘#’ and contain no newline characters. If the value of save_header_format_string is the empty string, the header comment is omitted from text-format data files. The default value is

"# Created by Octave VERSION, %a %b %d %H:%M:%S %Y %Z <USER@HOST>"

When called from inside a function with the "local" option, the variable is changed locally for the function and any subroutines it calls. The original variable value is restored when exiting the function.

See also: strftime, save.

Package: octave