Update vimscript

python.md

@@ -0,0 +1,88 @@
+---
+title: Python
+---
+
+### Lists
+
+    list = []
+
+    list[i] = val
+    list[i:j] = otherlist
+    del list[i:j]
+
+    list.append(item)
+    list.extend(list)
+    list.insert(0, item)
+    list.pop()
+    list.remove(i)
+
+    list.reverse()
+    list.count(item)
+
+    list.sort()
+
+    zip(list1, list2)
+    sorted(list)
+    ",".join(list)
+
+### Dict
+
+    dict.keys()
+    dict.values()
+    "key" in dict
+    dict["key"]   # throws KeyError
+    dict.get("key")
+    dict.setdefault("key", 1)
+
+### Iteration
+
+    for item in ["a", "b", "c"]:
+    for i in range(4):     # 0 to 3
+    for i in range(4, 8):  # 4 to 7
+    for key, val in dict.items():
+
+### [String](https://docs.python.org/2/library/stdtypes.html#string-methods)
+
+    str[0:4]
+    len(str)
+
+    string.replace("-", " ")
+    ",".join(list)
+    "hi {0}".format('j')
+    str.find(",")
+    str.index(",")   # same, but raises IndexError
+    str.count(",")
+    str.split(",")
+
+    str.lower()
+    str.upper()
+    str.title()
+
+    str.lstrip()
+    str.rstrip()
+    str.strip()
+
+    str.islower()
+
+### Casting
+
+    int(str)
+    float(str)
+
+### Comprehensions
+
+    [fn(i) for i in list]            # .map
+    [fn(i) for i in list if i > 0]   # .filter.map
+
+### Regex
+
+    import regex
+
+    re.match(r'^[aeiou]', str)
+    re.sub(r'^[aeiou]', '?', str)
+    re.sub(r'(xyz)', r'\1', str)
+
+    expr = re.compile(r'^...$')
+    expr.match(...)
+    expr.sub(...)
+

vimscript-functions.md

@@ -0,0 +1,176 @@
+---
+title: Vimscript functions
+---
+
+Dictionaries
+------------
+
+```vim
+let colors = {
+  \ "apple": "red",
+  \ "banana": "yellow"
+}
+
+echo colors["a"]
+echo get(colors, "apple")   " supress error
+
+remove(colors, "apple")
+
+" :help E715
+if has_key(dict, 'foo')
+if empty(dict)
+keys(dict)
+len(dict)
+
+max(dict)
+min(dict)
+
+count(dict, 'x')
+string(dict)
+
+map(dict, '<>> " . v:val')
+extend(s:fruits, { ... })
+```
+
+```vim
+for key in keys(mydict)
+  echo key . ': ' . mydict(key)
+endfor
+```
+
+Lists
+-----
+
+```vim
+let mylist = [1, two, 3, "four"]
+
+let first = mylist[0]
+let last  = mylist[-1]
+
+" Supresses errors
+let second = get(mylist, 1)
+let second = get(mylist, 1, "NONE")
+```
+
+Functions
+---------
+
+### Buffer
+
+    line('.')             " current line number
+    col('.')
+    col('$')
+
+    getline('.')          " current line as a string
+    getline(1)            " get line 1
+    getline(1, 5)         " get lines 1-5
+    search('^$')          " next blank line
+
+    getcurpos()           " [bufnum, lnum, col, off, curswant]
+    getpos('.')           " [bufnum, lnum, col, off]
+
+    nextnonblank(1)       " next non-blank line after line1
+
+### Expand
+
+    expand('<cword>')      " word under cursor
+    expand('%')            " current file
+
+    " <cword>  current word on cursor
+    " :p    full path
+    " :h    head
+    " :p:h  dirname   (/Users/rsc/project)
+    " :t    tail      (file.txt)
+    " :r    root      (file)
+    " :e    extension (.txt)
+    " see :h cmdline-special
+
+### Files
+
+    fnameescape('string')
+    fnamemodify('main.c', ':p:h')
+    fnamemodify(fname, ':e')   " current file extension - see expand()
+    filereadable(fname)
+    getfsize('file.txt')
+    getcwd()
+
+    globpath(&rtp, "plugin/commentary.vim")
+
+### Math
+
+    fmod(9, 2)  " modulus
+    abs(-0.5)
+    sqrt(9)
+
+    trunc(1.84)
+    floor(1.84)
+    ceil(1.84)
+    float2nr(3.14)
+
+### Casting
+
+    str2float('0.2')
+    str2nr('240')
+    str2nr('ff', '16')
+
+    string(0.3)
+
+### Type checking
+
+    type(var) == type(0)
+    type(var) == type("")
+    type(var) == type(function("tr"))
+    type(var) == type([])
+    type(var) == type({})
+    type(var) == type(0.0)
+
+### Date/time
+
+    strftime('%c')
+    strftime('%c',getftime('file.c'))
+
+### Strings
+
+    if a =~ '\s*'
+    subst(str, '.', 'x', 'g')
+    strpart("abcdef", 3, 2)    " == "de" (substring)
+    strpart("abcdef", 3)       " == "def"
+    stridx("abcdef", "e")      " == "e"
+    strridx()                  " reverse
+
+    matchstr('testing','test')  " == 'test' (or '')
+    match('testing','test')     " == 0
+    matchend('testing','test')  " == 4
+    match('testing','\ctest')   " ignore case
+
+    split(str, '\zs')           " split into characters
+
+    strlen(str)
+    strchars()                  " accounts for composing chars
+    strwidth()                  " accounts for ambig characters
+    strdisplaywidth()           " accounts for tab stops
+
+### Syntax
+
+    synstack(line('.'),col('.'))   " returns many
+    synID(line('.'),col('.'),1)    " only one
+
+    synIDattr(id,"bg")
+    synIDattr(id,"name")
+    synIDtrans()
+
+    " syntax stack
+    map(synstack(line('.'), col('.')), 'synIDattr(v:val, "name")')
+
+### Shell
+
+    system('ls '.shellescape(expand('%:h')))
+
+Executing
+---------
+
+### Running commands
+
+    normal 'ddahello'
+    exe 'normal ^C'  " with expansions
+    wincmd J

vimscript-snippets.md

@@ -2,49 +2,6 @@
 title: Vimscript snippets
 ---
 
-## Functions
-
-### Inspecting the buffer
-
-    line('.')      " current line number
-    col('.')
-
-    getline('.')   " current line as a string
-    getline(1)
-    getline(1, 0)
-    search("^$")   " next blank line
-
-    getcurpos()   " [bufnum, lnum, col, off, curswant]
-    getpos('.')   " [bufnum, lnum, col, off]
-
-    expand('<cword>') " word under cursor
-    expand('%') " current file
-
-    " syntax stack
-    map(synstack(line('.'), col('.')), 'synIDattr(v:val, "name")')
-
-### Files
-
-    fnameescape("string")
-    fnamemodify("main.c", ":p:h")
-    filereadable(fname)
-    fnamemodify(fname, ':e')   " current file extension - see expand()
-    getfsize('file.txt')
-    getcwd()
-
-### Math
-
-    fmod(9, 2)  " modulus
-    floor(1.84)
-    ceil(1.84)
-    abs(-0.5)
-
-### Strings
-
-    if a =~ '\s*'
-
-## Binding
-
 ### Bind function to key and command
 
     command! YoFunctionHere call s:YoFunctionHere()
@@ -52,16 +9,6 @@ title: Vimscript snippets
     function! s:FunctionHere()
     endfunction
 
-## Executing
-
-### Execute normal keystrokes
-
-### Running commands
-
-    normal 'ddahello'
-    exe 'normal ^C'  " with expansions
-    wincmd J
-
 ### Call a function in insert mode
 
     inoremap X <CR>=script#myfunction()<CR>