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Bash string manipulation cheatsheet

Assignment
Assign `value` to `variable` if `variable` is not already set, `value` is returned. Combine with a `:` no-op to discard/ignore return `value`.	`${variable="value"}` `: ${variable="value"}`

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	inoremap <silent> = =<Esc>:call <SID>ealign()<CR>a
	function! s:ealign()
	let p = '^.=\s.$'
	if exists(':Tabularize') && getline('.') =~# '^.*=' && (getline(line('.')-1) =~# p \|\| getline(line('.')+1) =~# p)
	let column = strlen(substitute(getline('.')[0:col('.')],'[^=]','','g'))
	let position = strlen(matchstr(getline('.')[0:col('.')],'.=\s\zs.*'))
	Tabularize/=/l1
	normal! 0
	call search(repeat('[^=]*=',column).'\s\{-\}'.repeat('.',position),'ce',line('.'))
	endif

	inoremap <silent> <Bar> <Bar><Esc>:call <SID>align()<CR>a

	function! s:align()
	let p = '^\s\|\s.\s\|\s*$'
	if exists(':Tabularize') && getline('.') =~# '^\s*\|' && (getline(line('.')-1) =~# p \|\| getline(line('.')+1) =~# p)
	let column = strlen(substitute(getline('.')[0:col('.')],'[^\|]','','g'))
	let position = strlen(matchstr(getline('.')[0:col('.')],'.\|\s\zs.*'))
	Tabularize/\|/l1
	normal! 0
	call search(repeat('[^\|]*\|',column).'\s\{-\}'.repeat('.',position),'ce',line('.'))