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| author |  Jakukyo Friel <weakish@gmail.com> | 2011-02-20 02:58:11 +0800 |
|---|---|---|
| committer | Jakukyo Friel <weakish@gmail.com> | 2011-02-20 02:58:11 +0800 |
| commit | cde6067cae4bbb67e1e43f69c9c6773d2e1e20a3 (patch) | |
| tree | 3af040c0f7dd53e563b121018a5dbb8263a4bbc0 /doc_src | |
| parent | 2583638f4bb0b1b46f82f6ed2320a644f2c8e64b (diff) | |
minor changes on user doc
Diffstat (limited to 'doc_src')
| -rw-r--r-- | doc_src/index.hdr.in | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/doc_src/index.hdr.in b/doc_src/index.hdr.in index 84dc0a03..4f773e23 100644 --- a/doc_src/index.hdr.in +++ b/doc_src/index.hdr.in @@ -135,6 +135,10 @@ these characters, so called escape sequences are provided. These are: - <code>'\\\<'</code>, escapes the less than character - <code>'\\\>'</code>, escapes the more than character - <code>'\\^'</code>, escapes the circumflex character +- <code>'\\&'</code>, escapes the ampersand character +- <code>'\\;'</code>, escapes the semicolon character +- <code>'\\"'</code>, escapes the quote character +- <code>'\\''</code>, escapes the apostrophe character - <code>'\\x<i>xx</i>'</code>, where <code><i>xx</i></code> is a hexadecimal number, escapes the ascii character with the specified value. For example, \\x9 is the tab character. - <code>'\\X<i>xx</i>'</code>, where <code><i>xx</i></code> is a hexadecimal number, escapes a byte of data with the specified value. If you are using a mutibyte encoding, this can be used to enter invalid strings. Only use this if you know what you are doing. - <code>'\\<i>ooo</i>'</code>, where <code><i>ooo</i></code> is an octal number, escapes the ascii character with the specified value. For example, \\011 is the tab character. @@ -620,9 +624,8 @@ The {$USER}san syntax might need a bit of an elaboration. Posix shells allow you to specify a variable name using '$VARNAME' or '${VARNAME}'. Fish supports the former, and has no support whatsoever for the latter or anything like it. So what is '{$VARNAME}' then? -Well, '{WHATEVER}' is <a href='#brace'>brace expansion</a>, identical -to that supported by e.g. bash. 'a{b,c}d' -> 'abd acd' works -both in bash and on fish. So '{$VARNAME}' is a bracket-expansion with +Well, '{WHATEVER}' is <a href='#brace'>brace expansion</a>, e.g. 'a{b,c}d' -> 'abd acd'. +So '{$VARNAME}' is a bracket-expansion with only a single element, i.e. it becomes expanded to '$VARNAME', which will be variable expanded to the value of the variable 'VARNAME'. So you might think that the brackets don't actually do anything, and that @@ -684,7 +687,7 @@ The \% (percent) character at the beginning of a parameter followed by a string is expanded into a process id. The following expansions are performed: -- If the string is the entire word \c self, the shells pid is the result +- If the string is the entire word \c self, the shells pid is the result. - Otherwise, if the string is the id of a job, the result is the process group id of the job. - Otherwise, if any child processes match the specified string, their |