Start vi by typing its name the argument is the filename you want toĬreate or edit. You’re completely comfortable keeping track of what Vi is unquestionably ESC: if you’re in Insert mode,ĮSC will move you back into Command mode, and if Handiest key on your keyboard while you’re learning I jumps you into Insert mode, but in Insert You are listening to the radio, the very same button does somethingĮlse (perhaps jump to preprogrammed station #1). Modes can be best explained by thinking about your car stereo. In this section, we cover only its basic commands, but if you become Mac OS X actually includes a version of vi that has many useful new Originally written by Bill Joy at the University of California,īerkeley, is easy to use once you master the fundamental concept of a Panther’s all-powerful TextEdit, which can read and That purpose such as Microsoft Office X, or If you need to do word processing-making documents, envelopes,Īnd so on-your best bet is to work with a program designed for The file with less look for characters in One easy way to check for nontext characters in a file is by reading That’s often true even if you tell the word Text, the file probably also has hidden codes (nontext characters) in Though, although the screen may look as if the file is only plain Redirected input and output of Unix programs (see Chapter 6), as shell setup files (see Chapter 1), for shell scripts (see Chapter 10), for system configuration, and more. Unix systems use plain-text files in many places: in Without formatting such as point size, bold and italics, or embedded With only letters, numbers, and punctuation characters in it (text
Man tr to learn more about this powerful utility. Translate all occurrences of one character to another. The helpful tr command, which makes it easy to Terminal before editing: $ u2m mac-format-file Some carriage-return weirdness, use the reverse (Unix to Mac) within
You’re editing a Unix file in a Mac tool and it has M2u (Mac to Unix), as in: $ m2u unix-friendly-fileĪnd if you find yourself in the opposite situation, where Now, whenever you’re working with Unix editing toolsĪnd you need to fix a Mac-format file, simply use You launch a new Terminal window, bash will Lots of little boxes at the end of each line, or if you try to edit aįile within Unix and find that it’s littered withĪdd the following lines anywhere in the file: alias m2u= "tr '\015' '\012' "Ĭlose your current Terminal window, and open a new one. If you ever open up a file in a Finder application and see Unix core is that the two systems use different end-of-line character Things about Apple putting a Mac graphical environment on top of a Unix tools for editing is that you might end up having to translateįile formats along the way. The only caveat regarding switching between Finder applications and
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