Query: vt-is-utf8
OS: debian
Section: 1
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
VT-IS-UTF8(1) Linux User's Manual VT-IS-UTF8(1)NAMEvt-is-UTF8 - check whether current VT is in UTF8- or byte-mode.SYNOPSISvt-is-UTF8 [-h|--help] [-V|--version] [-q|--quiet]DESCRIPTIONvt-is-UTF8 checks whether the current VT is in UTF8 mode, by writing (and erasing afterwards) a 3-byte-long UTF8 sequence, and looking how much chars where displayed by the console driver. A message telling in which mode the console is is then written to stdout (except if the --quiet option was given). If the --quiet option is not given, the value returned is 1 if an error occurs, else 0.OPTIONS-h --help display version number, a short help message and exit. -V --version display version number and exit. -q --quiet do not print on stdout in with mode we are, but return the state as exit-status 1 if in UTF8-mode, 0 if in byte-mode. In case of error, 0 is returned and a message is displayed on stderr.BUGSThe check should be done by directly asking the kernel, which is not possible as of kernels 2.0.x. As of kernel 2.0.35, the byte-mode is sometimes erroneously detected as UTF8-mode, after switching from a 512-chars font to a 256-chars font. This is probably a console-driver bug.SEE ALSOunicode_start(1), unicode_stop(1). Console tools 10 Aug 1998 VT-IS-UTF8(1)
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