Bash Expansion - Revision history

Admin: /* Save Typing */

2017-07-15T03:54:20Z

Save Typing

← Older revision		Revision as of 03:54, 15 July 2017
Line 35:		Line 35:


	Make a backup copy of a file:<br />		'''Make a backup copy of a file:'''<br />
	<code>cp -a /home/user/public_html/test.txt{,.bak}</code> - is the same as typing: <code>cp -a /home/user/public_html/test.txt /home/user/public_html/test.txt.bak</code>		<code>cp -a /home/user/public_html/test.txt{,.bak}</code> - is the same as typing: <code>cp -a /home/user/public_html/test.txt /home/user/public_html/test.txt.bak</code>

Admin: /* Save Typing */

2017-07-15T03:54:07Z

Save Typing

← Older revision		Revision as of 03:54, 15 July 2017
Line 35:		Line 35:


	Make a backup copy of a file:		Make a backup copy of a file:<br />
	<code>cp -a /home/user/public_html/test.txt{,.bak}</code> - is the same as typing: <code>cp -a /home/user/public_html/test.txt /home/user/public_html/test.txt.bak</code>		<code>cp -a /home/user/public_html/test.txt{,.bak}</code> - is the same as typing: <code>cp -a /home/user/public_html/test.txt /home/user/public_html/test.txt.bak</code>




	== References ==		== References ==

Admin at 03:53, 15 July 2017

2017-07-15T03:53:52Z

← Older revision		Revision as of 03:53, 15 July 2017
Line 36:		Line 36:

	Make a backup copy of a file:		Make a backup copy of a file:
	<code>cp -a /home/user/public_html/test.txt{,.bak}</code> - is the same as typing: <code>cp -a /home/user/public_html/test.txt /home/user/public_html/test.bak</code>		<code>cp -a /home/user/public_html/test.txt{,.bak}</code> - is the same as typing: <code>cp -a /home/user/public_html/test.txt /home/user/public_html/test.txt.bak</code>

Admin at 03:53, 15 July 2017

2017-07-15T03:53:05Z

← Older revision		Revision as of 03:53, 15 July 2017
Line 29:		Line 29:
	file6.txt		file6.txt
	</pre>		</pre>

			== Save Typing ==

			<code>/a/long/path/{foo,bar}</code> expands to: <code>/a/long/path/foo /a/long/path/bar</code> (Handy for copy commands...)


			Make a backup copy of a file:
			<code>cp -a /home/user/public_html/test.txt{,.bak}</code> - is the same as typing: <code>cp -a /home/user/public_html/test.txt /home/user/public_html/test.bak</code>

Admin at 03:35, 15 July 2017

2017-07-15T03:35:54Z

← Older revision		Revision as of 03:35, 15 July 2017
Line 29:		Line 29:
	file6.txt		file6.txt
	</pre>		</pre>


			== References ==

			<ul>
			<li>[http://www.devopsservice.com/bash-brace-expansion-tutorial devopservice tutorial]</li>
			</ul>

Admin: Created page with "Bash brace expansion "autofills" some commands for you. == Create Multiple files == touch file{1,2,3,4}.txt - Expands to:

  file1.txt  file2.txt  file3.t..."

2017-07-15T03:34:53Z

Created page with "Bash brace expansion "autofills" some commands for you. == Create Multiple files == <code>touch file{1,2,3,4}.txt</code> - Expands to: <pre> file1.txt file2.txt file3.t..."

New page

Bash brace expansion "autofills" some commands for you.

== Create Multiple files ==

<code>touch file{1,2,3,4}.txt</code> - Expands to:

<pre>
file1.txt
file2.txt
file3.txt
file4.txt
</pre>

So, we can use a comma to separate the stuff we want to expand. Can we do ranges, I don't want to type all that?

We sure can!!

<code>touch file{1..6}.txt</code> - Expands to:

<pre>
file1.txt
file2.txt
file3.txt
file4.txt
file5.txt
file6.txt
</pre>

Bash Expansion - Revision history

Admin: /* Save Typing */

Admin: /* Save Typing */

Admin at 03:53, 15 July 2017

Admin at 03:53, 15 July 2017

Admin at 03:35, 15 July 2017

Admin: Created page with "Bash brace expansion "autofills" some commands for you. == Create Multiple files == touch file{1,2,3,4}.txt - Expands to: file1.txt file2.txt file3.t..."

Admin: Created page with "Bash brace expansion "autofills" some commands for you. == Create Multiple files == `touch file{1,2,3,4}.txt` - Expands to:
file1.txt file2.txt file3.t..."