/usr/bin/bash: Difference between revisions

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=== Word Designators ===

Word designators are used to select desired words from the event. A : separates the event ~~speci‐~~

Word designators are used to select desired words from the event. A : separates the event specification from the word designator. It may be omitted if the word designator begins with a ^, $, *, -, or %. Words are numbered from the beginning of the line, with the first word being denoted by 0 (zero). Words are inserted into the current line separated by single spaces.

~~fication~~ from the word designator. It may be omitted if the word designator begins with a ^, $,

*, -, or %. Words are numbered from the beginning of the line, with the first word being denoted

by 0 (zero). Words are inserted into the current line separated by single spaces.

0 (zero)

;0 (zero)

The zeroth word. For the shell, this is the command word.

:The zeroth word. For the shell, this is the command word.

n The nth word.

;n

^ The first argument. That is, word 1.

:The nth word.

$ The last word. This is usually the last argument, but will expand to the zeroth word if

;^

there is only one word in the line.

:The first argument. That is, word 1.

% The first word matched by the most recent `?string?' search, if the search string begins

;$

with a character that is part of a word.

:The last word. This is usually the last argument, but will expand to the zeroth word if there is only one word in the line.

x-y A range of words; `-y' abbreviates `0-y'.

;%

* All of the words but the zeroth. This is a synonym for `1-$'. It is not an error to use

:The first word matched by the most recent `?string?' search, if the search string begins with a character that is part of a word.

* if there is just one word in the event; the empty string is returned in that case.

;x-y

x* Abbreviates x-$.

:A range of words; `-y' abbreviates `0-y'.

x- Abbreviates x-$ like x*, but omits the last word. If x is missing, it defaults to 0.

;*

:All of the words but the zeroth. This is a synonym for `1-$'. It is not an error to use * if there is just one word in the event; the empty string is returned in that case.

;x*

:Abbreviates x-$.

;x-

:Abbreviates x-$ like x*, but omits the last word. If x is missing, it defaults to 0.

If a word designator is supplied without an event specification, the previous command is used as

If a word designator is supplied without an event specification, the previous command is used as the event.

the event.

=== Modifiers ===

@@ Line 2,345: / Line 2,345: @@
 === Word Designators ===
-       Word designators are used to select desired words from the event.  A : separates the event speci‐
+Word designators are used to select desired words from the event.  A : separates the event specification from the word designator.  It may be omitted if the word designator begins with a ^,  $, *, -, or %.  Words are numbered from the beginning of the line, with the first word being denoted by 0 (zero).  Words are inserted into the current line separated by single spaces.
-       fication from the word designator.  It may be omitted if the word designator begins with a ^,  $,
-       *, -, or %.  Words are numbered from the beginning of the line, with the first word being denoted
-       by 0 (zero).  Words are inserted into the current line separated by single spaces.
-(zero)
+;0 (zero)
-              The zeroth word.  For the shell, this is the command word.
+:The zeroth word.  For the shell, this is the command word.
-       n      The nth word.
+;n
-       ^      The first argument.  That is, word 1.
+:The nth word.
-       $      The last word.  This is usually the last argument, but will expand to the zeroth  word  if
+;^
-              there is only one word in the line.
+:The first argument.  That is, word 1.
-       %      The  first  word matched by the most recent `?string?' search, if the search string begins
+;$
-              with a character that is part of a word.
+:The last word.  This is usually the last argument, but will expand to the zeroth  word  if there is only one word in the line.
-       x-y    A range of words; `-y' abbreviates `0-y'.
+;%
-       *      All of the words but the zeroth.  This is a synonym for `1-$'.  It is not an error to  use
+:The  first  word matched by the most recent `?string?' search, if the search string begins with a character that is part of a word.
-              * if there is just one word in the event; the empty string is returned in that case.
+;x-y
-       x*     Abbreviates x-$.
+:A range of words; `-y' abbreviates `0-y'.
-       x-     Abbreviates x-$ like x*, but omits the last word.  If x is missing, it defaults to 0.
+;*
+:All of the words but the zeroth.  This is a synonym for `1-$'.  It is not an error to  use * if there is just one word in the event; the empty string is returned in that case.
+;x*
+:Abbreviates x-$.
+;x-
+:Abbreviates x-$ like x*, but omits the last word.  If x is missing, it defaults to 0.
-       If  a word designator is supplied without an event specification, the previous command is used as
+If  a word designator is supplied without an event specification, the previous command is used as the event.
-       the event.
 === Modifiers ===