Awk - Revision history

Scott at 17:47, 19 April 2018

2018-04-19T17:47:16Z

← Older revision		Revision as of 17:47, 19 April 2018
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	{{lowercase}}		{{lowercase title}}
	Pick out the fourth token:		Pick out the fourth token:
	<pre>		<pre>

Scott at 17:46, 19 April 2018

2018-04-19T17:46:46Z

← Older revision		Revision as of 17:46, 19 April 2018
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	{{lowercase ~~title~~}}		{{lowercase}}
	Pick out the fourth token:		Pick out the fourth token:
	<pre>		<pre>

Scott at 22:34, 27 June 2011

2011-06-27T22:34:44Z

← Older revision		Revision as of 22:34, 27 June 2011
Line 10:		Line 10:
	</pre>		</pre>

	Duplicate entries in the passwd file? ~~Compare these:~~		Duplicate entries in the passwd file?
	<pre>		<pre>
	awk -F: '{print $1}' /etc/passwd \| sort -u \| wc -l > temp1		awk -F: '{print $1}' /etc/passwd \| sort -u \| wc -l > temp1

Scott at 22:33, 27 June 2011

2011-06-27T22:33:01Z

← Older revision		Revision as of 22:33, 27 June 2011
Line 15:		Line 15:
	awk -F: '{print $1}' /etc/passwd \| sort \| wc -l > temp2		awk -F: '{print $1}' /etc/passwd \| sort \| wc -l > temp2
	diff temp1 temp2		diff temp1 temp2
			rm temp1 temp2
	</pre>		</pre>

Scott at 22:32, 27 June 2011

2011-06-27T22:32:38Z

← Older revision		Revision as of 22:32, 27 June 2011
Line 12:		Line 12:
	Duplicate entries in the passwd file? Compare these:		Duplicate entries in the passwd file? Compare these:
	<pre>		<pre>
	awk -F: '{print $1}' /etc/~~group~~ \| sort -u \| wc -l > temp1		awk -F: '{print $1}' /etc/passwd \| sort -u \| wc -l > temp1
	awk -F: '{print $1}' /etc/~~group~~ \| sort \| wc -l > temp2		awk -F: '{print $1}' /etc/passwd \| sort \| wc -l > temp2
	diff temp1 temp2		diff temp1 temp2
	</pre>		</pre>

Scott at 22:32, 27 June 2011

2011-06-27T22:32:23Z

← Older revision		Revision as of 22:32, 27 June 2011
Line 12:		Line 12:
	Duplicate entries in the passwd file? Compare these:		Duplicate entries in the passwd file? Compare these:
	<pre>		<pre>
	awk -F: '{print $1}' /etc/group \| sort -u \| wc -l		awk -F: '{print $1}' /etc/group \| sort -u \| wc -l > temp1
	awk -F: '{print $1}' /etc/group \| wc -l		awk -F: '{print $1}' /etc/group \| sort \| wc -l > temp2
			diff temp1 temp2
	</pre>		</pre>

Scott at 22:30, 27 June 2011

2011-06-27T22:30:36Z

← Older revision		Revision as of 22:30, 27 June 2011
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	<pre>		<pre>
	echo "a=b=c" \| awk -F= '{print $3}' # selects "c"		echo "a=b=c" \| awk -F= '{print $3}' # selects "c"
			</pre>

			Duplicate entries in the passwd file? Compare these:
			<pre>
			awk -F: '{print $1}' /etc/group \| sort -u \| wc -l
			awk -F: '{print $1}' /etc/group \| wc -l
	</pre>		</pre>

Scott at 18:27, 4 February 2011

2011-02-04T18:27:12Z

New page

{{lowercase title}}
Pick out the fourth token:
<pre>
mac=`/sbin/arp -a $ip | awk '{print $4}'`
</pre>

Separate by = instead of whitespace:
<pre>
echo "a=b=c" | awk -F= '{print $3}' # selects "c"
</pre>