The most interesting person i know essay

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the most interesting person i know essay

by zadie smith The new York

Fmt (reformat the current paragraph). Programmers sometimes use it to run their code, or just portions of it, through indent or other code reformatting tools. Commands means that any external utility or filter can be treated as an extension of our editor. I have occasionally used these with scripts that pulled data from a database, or with wget or lynx commands that pulled data off a website, or ssh commands that pulled data from remote systems. Another useful ex command is :so (short for :source). This reads the contents of a file as a series of commands.

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This reads the results of a command. It's the same as suspending the vi session, running a command, redirecting its output to a temporary file, resuming your vi session, and reading in the contents from the temp. Even more powerful are the! ( ex bang) commands. These also execute external commands and read the results into the current text. However, they also filter selections of our text through the command! This we can sort all the lines in our file using 1G!Gsort (G is the vi "goto" command; it defaults to going to the last line of the file, but can be prefixed by a line number, such as 1, the first line). This is equivalent to the ex variant :1,!sort. With the Unix fmt or hypothesis fold utilities for reformating or "word wrapping" selections of text. A very common macro is!

The : addresses can also refer to marks. Thus you can use: a bg/foo/j to join any line containing the string foo to its subsequent line, if it lies between the lines between the ' essay a ' and ' b ' marks. (Yes, all of the preceding ex command examples can be limited to subsets of the file's lines by prefixing with these sorts of addressing expressions). That's pretty obscure (i've only used something like that a few times in the last 15 years). However, i'll freely admit that i've often done things iteratively and interactively that could probably have been done more efficiently if I'd taken the time to think out the correct incantation. Another very useful vi or ex command is :r to read in the contents of another file. Thus: :r foo inserts the contents of the file named "foo" at the current line. More powerful is the :r!

the most interesting person i know essay

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For that case i'd use: : g/ /-1j (for every matching line, go up one line and join them). (BTW: for bullet lists trying to search for the bullet lines and join to the next doesn't work for a couple reasons. It can join one bullet line to another, and it won't join any bullet line to all of its continuations; it'll only work pairwise on the matches). Almost needless to mention you can use our old friend s (substitute) with the g and v (global/converse-global) commands. Usually you don't need to. However, consider some case where you want to perform a substitution only on lines matching some other pattern. Often you can use a complicated pattern with captures and use back references to preserve the portions of the lines that you don't want to change. However, it will often be easier to separate the match from the substitution: : g/foo/s/bar/zzz/g - for every line containing "foo" substitute all "bar" with "zzz." (Something like :.*foo. 1zzz2/g would only work for the cases those instances of "bar" which were preceded by "foo" on the same line; it's ungainly review enough already, and would have to be mangled further to catch all the cases where "bar" preceded "foo the point is that there.

However there are couple of other ex commands which are worth remembering: we can use m to move lines around, and j to join lines. For example if you have a list and you want to separate all the stuff matching (or conversely not matching some pattern) without deleting them, then you can use something like: : g/foo/m. And all the "foo" lines will have been moved to the end of the file. (Note the other tip about using the end of your file as a scratch space). This will have preserved the relative order of all the "foo" lines while having extracted them from the rest of the list. (This would be equivalent to doing something like: 1G!GGmap! Ggrep foo enter 1G:1 a g/foo d (copy the file to its own tail, filter the tail through grep, and delete all the stuff from the head). To join lines usually i can find a pattern for all the lines which need to be joined to their predecessor (all the lines which start with " " rather than " * " in some bullet list, for example).

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Or for current and last lines respectively. One could also use relative prefixes and - to refer to offsets after or before the curent line, respectively. Thus: :.,j meaning "from the current line to the last line, join them all into one line". is synonymous with :1, (all the lines). V commands bear some explanation as they are incredibly powerful. G is a prefix for "globally" applying a subsequent command to all lines which match a pattern (regular expression) while. V applies such a command to all lines which do not match the given pattern v" from "conVerse.

As with other ex commands these can be prefixed by addressing/range references. Thus :.,21g/foo/d means "delete any lines containing the string "foo" from the current one through the next 21 lines" while :.,v/bar/d means "from here to the end of the file, delete pdf any lines which don't contain the string "bar." It's interesting that the common Unix. The ex command :g/re/p (grep) was the way they documented how to "globally" "print" lines containing a "regular expression" (re). When ed and ex were used, the :p command was one of the first that anyone learned and often the first one used when editing any file. It was how you printed the current contents (usually just one page full at a time using :.,25p or some such). Note that : g/./d or (its reVerse/conVerse counterpart: : v/./d are the most common usage patterns.

To paste from a register I simply prefix the paste with the same modifier sequence: "ap pastes a copy of the ' a ' register's contents into the text after the cursor and "bP pastes a copy from ' b ' to before the current. This notion of "prefixes" also adds the analogs of grammatical "adjectives" and "adverbs' to our text manipulation "language." Most commands (verbs) and movement (verbs or objects, depending on context) can also take numeric prefixes. Thus 3J means "join the next three lines" and d5 means "delete from the current line through the end of the fifth paragraph down from here." This is all intermediate level. None of it is Vim specific and there are far more advanced tricks in vi if you're ready to learn them. If you were to master just these intermediate concepts then you'd probably find that you rarely need to write any macros because the text manipulation language is sufficiently concise and expressive to do most things easily enough using the editor's "native" language. A sampling of more advanced tricks: There are a number of : commands, most notably the : s/foo/bar/g global substitution technique.

(That's not advanced but other : commands can be). The whole : set of commands was historically inherited by vi 's previous incarnations as the ed (line editor) and later the ex (extended line editor) utilities. In fact vi is so named because it's the visual interface. commands normally operate over lines of text. Ed and ex were written in an era when terminal screens were uncommon and many terminals were "teletype" (TTY) devices. So it was common to work from printed copies of the text, using commands through an extremely terse interface (common connection speeds were 110 baud, or, roughly, 11 characters per second - which is slower than a fast typist; lags were common on multi-user interactive. So the syntax of most : commands includes an address or range of addresses (line number) followed by a command. Naturally one could use literal line numbers: :127,215 s/foo/bar to change the first occurrence of "foo" into "bar" on each line between 127 and 215. One could also use some abbreviations such.

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Frequently we know some pattern (regular expression) that marks one end or the other of the text in which we're interested. Searching forwards or backwards are movements. Thus they can also be used as "subjects" in our "statements." so i can use d/foo to cut from the current line to the next line containing the string "foo" and retrolisthesis y? Bar to copy from the current line to the most recent (previous) line containing "bar." If I don't want whole lines I can still use the search movements (as statements of their own drop my mark(s) and use the x commands as described previously. In addition to "verbs" and "subjects" vi also has "objects" (in the grammatical sense of the term). So far i've only described the use of the anonymous register. However, i can use any of the 26 "named" registers by prefixing the "object" reference with " (the double" modifier). Thus if i use "add I'm cutting the current line into the ' a ' register and if i use "by/foo then I'm yanking a copy of the text from here to the next line containing "foo" into the ' b ' register.

the most interesting person i know essay

However, it is only one of many. Frequently we can more succinctly describe the range of text without moving our cursor around and dropping a mark. For example if I'm in a paragraph of text I can use and movements to the beginning or end of the paragraph respectively. So, to move a paragraph of text I cut it using d (3 keystrokes). (If I happen to already be on the first or last line of the paragraph I can then simply use d or d respectively. The notion of "paragraph" defaults to something which is usually intuitively reasonable. Thus it often works for polanski code as well as prose.

' z ' mark. Because these are "movements" they can also be used as subjects for other "statements.". So, one way to cut an arbitrary selection of text would be to drop a mark (I usually use ' a ' as my "first" mark, ' z ' as my next mark, ' b ' as another, and ' e ' as yet another. Then we go to the other end of our desired text; we can start at either end, it doesn't matter. Then we can simply use da to cut or ya to copy. Thus the whole process has a 5 keystrokes overhead (six if we started in "insert" mode and needed to Esc out command mode). Once we've cut or copied then pasting in a copy is a single keystroke:. I say that this is one way to cut or copy text.

The y is doubled up to make it easier to type, since it is such a common operation. This can also be expressed as dd P (delete the current line and paste a copy back into place; leaving a copy in the anonymous register as a side effect). The y and d "verbs" take any movement as their "subject." Thus yw is "yank from here (the cursor) to the end of the current/next (big) word" and y'a is "yank from here to the line containing the mark named ' a '. if you only understand basic up, down, left, and right cursor movements then vi will be no more productive than a copy of "notepad" for you. (okay, you'll review still have syntax highlighting and the ability to handle files larger than a piddling 45kb or so; but work with me here). Vi has 26 "marks" and 26 "registers." A mark is set to any cursor location using the m command. Each mark is designated by a single lower case letter. Thus ma sets the ' a ' mark to the current location, and mz sets the ' z ' mark. You can move to the line containing a mark using the ' (single") command.

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Your problem with, vim is that you don't grok. You mention cutting with yy and complain that you almost never want to cut whole lines. In fact programmers, editing source code, very often want to work on whole lines, ranges of lines and blocks of code. However, yy is only one of many essay way to yank text into the anonymous copy buffer (or "register" as it's called in vi ). The "Zen" of vi is that you're speaking a language. The initial y is a verb. The statement yy is a synonym for.

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