From 79d411ceba0e71d6c049f5fe44142247b752adee Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Sat, 15 Aug 1998 16:43:13 +0000 Subject: (qmark_funny_chars): Add comment from Paul eggert. --- src/ls.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'src') diff --git a/src/ls.c b/src/ls.c index d61266a89..1d311c8c5 100644 --- a/src/ls.c +++ b/src/ls.c @@ -449,8 +449,15 @@ struct ignore_pattern static struct ignore_pattern *ignore_patterns; -/* Nonzero means output nongraphic chars in file names as `?'. -q */ - +/* Nonzero means output nongraphic chars in file names as `?'. + (-q, --hide-control-chars) + qmark_funny_chars and the quoting style (-Q, --quoting-style=WORD) are + independent. The algorithm is: first, obey the quoting style to get a + string representing the file name; then, if qmark_funny_chars is set, + replace all nonprintable chars in that string with `?'. It's necessary + to replace nonprintable chars even in quoted strings, because we don't + want to mess up the terminal if control chars get sent to it, and some + quoting methods pass through control chars as-is. */ static int qmark_funny_chars; /* Quoting options for file and dir name output. */ @@ -820,6 +827,7 @@ decode_switches (int argc, char **argv) if (isatty (1)) { format = many_per_line; + /* See description of qmark_funny_chars, above. */ qmark_funny_chars = 1; } else -- cgit v1.2.3-54-g00ecf