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Linux in a Nutshell, 6th Edition by Robert Love, Stephen Figgins, Ellen Siever, Arnold Robbins

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Name

substitute

Synopsis

[address] s [/pattern/replacement/] [options] [count]

Replace the first instance of pattern on each of the specified lines with replacement. If pattern and replacement are omitted, repeat last substitution. count specifies the number of lines on which to substitute, starting with address. See additional examples in Chapter 7.

Options

c

Prompt for confirmation before each change.

g

Substitute all instances of pattern on each line (global).

p

Print the last line on which a substitution was made.

Examples

:1,10s/yes/no/g                         Substitute on first 10 lines

:%s/[Hh]ello/Hi/gc          Confirm global substitutions
:s/Fortran/\U&/ 3           Uppercase "Fortran" on next three lines
:g/^[0-9][0-9]*/s//Line &:/ For every line beginning with
                                                           one or more
 digits, add "Line" and a colon

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