Vim:Use path relative to current file
From FVue
Problem
Sometimes you're editing a file deeply nested in a directory hierarchy, and you want to edit a file in an adjacent directory, relative to the current directory. E.g. you're editing:
/usr/local/var/chi/proj/foo/back/app/views/bar/index.html.erb
and you want to edit:
/usr/local/var/chi/proj/foo/back/app/views/cee/index.html.erb
Environment
- vim-8.2
Solution
See: https://superuser.com/questions/252893/vim-use-the-path-of-the-current-file
In vim, % is the actual file, %:h is the directory of the actual file, and %:p is the full path of the actual file.
So to edit the new file (if current file path is full enough), type:
:e %:h/../cee/index.html.arb
Or when current file path isn't full enough:
:e %:p:h/../cee/index.html.erb
:help filename-modifiers
filename-modifiers
:_%: ::8 ::p ::. ::~ ::h ::t ::r ::e ::s ::gs ::S
%:8 %:p %:. %:~ %:h %:t %:r %:e %:s %:gs %:S
The file name modifiers can be used after "%", "#", "#n", "<cfile>", "<sfile>",
"<afile>" or "<abuf>". They are also used with the fnamemodify() function.
These modifiers can be given, in this order:
:p Make file name a full path. Must be the first modifier. Also
changes "~/" (and "~user/" for Unix and VMS) to the path for
the home directory. If the name is a directory a path
separator is added at the end. For a file name that does not
exist and does not have an absolute path the result is
unpredictable. On MS-Windows an 8.3 filename is expanded to
the long name.
:8 Converts the path to 8.3 short format (currently only on
MS-Windows). Will act on as much of a path that is an
existing path.
:~ Reduce file name to be relative to the home directory, if
possible. File name is unmodified if it is not below the home
directory.
:. Reduce file name to be relative to current directory, if
possible. File name is unmodified if it is not below the
current directory.
For maximum shortness, use ":~:.".
:h Head of the file name (the last component and any separators
removed). Cannot be used with :e, :r or :t.
Can be repeated to remove several components at the end.
When the file name ends in a path separator, only the path
separator is removed. Thus ":p:h" on a directory name results
on the directory name itself (without trailing slash).
When the file name is an absolute path (starts with "/" for
Unix; "x:\" for Win32; "drive:" for Amiga), that part is not
removed. When there is no head (path is relative to current
directory) the result is empty.
:t Tail of the file name (last component of the name). Must
precede any :r or :e.
:r Root of the file name (the last extension removed). When
there is only an extension (file name that starts with '.',
e.g., ".vimrc"), it is not removed. Can be repeated to remove
several extensions (last one first).
:e Extension of the file name. Only makes sense when used alone.
When there is no extension the result is empty.
When there is only an extension (file name that starts with
'.'), the result is empty. Can be repeated to include more
extensions. If there are not enough extensions (but at least
one) as much as possible are included.
:s?pat?sub?
Substitute the first occurrence of "pat" with "sub". This
works like the :s command. "pat" is a regular expression.
Any character can be used for '?', but it must not occur in
"pat" or "sub".
After this, the previous modifiers can be used again. For
example ":p", to make a full path after the substitution.
:gs?pat?sub?
Substitute all occurrences of "pat" with "sub". Otherwise
this works like ":s".
:S Escape special characters for use with a shell command (see
shellescape()). Must be the last one. Examples:
:!dir <cfile>:S
:call system('chmod +w -- ' . expand('%:S'))
There's a similarity with bash history expansion modifiers:
$ man bash
HISTORY EXPANSION
Modifiers
After the optional word designator, there may appear a sequence of one or more
of the following modifiers, each preceded by a `:'. These modify, or edit, the
word or words selected from the history event.
h Remove a trailing filename component, leaving only the head.
t Remove all leading filename components, leaving the tail.
r Remove a trailing suffix of the form .xxx, leaving the basename.
e Remove all but the trailing suffix.
p Print the new command but do not execute it.
q Quote the substituted words, escaping further substitutions.
x Quote the substituted words as with q, but break into words at blanks
and newlines. The q and x modifiers are mutually exclusive; the last
one supplied is used.
s/old/new/
Substitute new for the first occurrence of old in the event line. Any
character may be used as the delimiter in place of /. The final delim?
iter is optional if it is the last character of the event line. The de?
limiter may be quoted in old and new with a single backslash. If & ap?
pears in new, it is replaced by old. A single backslash will quote the
&. If old is null, it is set to the last old substituted, or, if no
previous history substitutions took place, the last string in a
!?string[?] search. If new is null, each matching old is deleted.
& Repeat the previous substitution.
g Cause changes to be applied over the entire event line. This is used in
conjunction with `:s' (e.g., `:gs/old/new/') or `:&'. If used with
`:s', any delimiter can be used in place of /, and the final delimiter
is optional if it is the last character of the event line. An a may be
used as a synonym for g.
G Apply the following `s' or `&' modifier once to each word in the event
line.
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