Hamilton LaboratoriesHamilton C shell 2012User guideLanguage reference

Substitution modifiers

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Substitution modifiers
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Topics

Usage
See also

Usage

Substitution modifiers can be applied to any command, variable or history substitution. Any number in a row can be applied.

Operator Meaning
:n

nth word

:#

Count the number of words

:^

Word number 1, counting from 0

:$

Last word

:%

Word matched by a !?str? history search

:n-m

nth through mth words

:-n

0 through nth words

:n-

nth through next-to-last words

:n*

nth through last word

:*

1 through last word

:q

Single-quote each word

:s/str1/str2/

Substitute str2 for str1 and then reparse into words. Match failures are considered to be errors unless ignoreerrors == 2.

:S/str1/str2/

Substitute str2 for str1 but leave it as a single string. Also, failure to match is not considered an error.

:&

Repeat last substitution

:g

Global editing: as a prefix character to any of the other editing operators, it means apply the edit operation everywhere it matches, not just the first occurrence.

:x

Treat each word as a string, break it up into words, then single-quote each word.

:p

Print the substitution but don't execute the statement. (Ignored except in history substitutions.)

:h  :r  :t
:e  :f  :m
:M  :A  :L

Pathname editing operators: head, root, tail, extension, fullpath, mixedpath, fullmixedpath, shortname and longname.

See also

Pathname editing
Variable substitutions
History recall
Command substitution
Tutorial: Editing
Tutorial: Variables
Tutorial: History
Tutorial: Command substitution

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