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Top Forums UNIX for Dummies Questions & Answers Produce the number 2014 without any numbers in your source code... Post 302899271 by alister on Monday 28th of April 2014 09:08:58 AM
Old 04-28-2014
Quote:
Originally Posted by SriniShoo
Code:
 
awk 'BEGIN{a++;printf "%d%d%d%d\n",++a,c++,c++,a+c}'

---------- Post updated at 03:07 AM ---------- Previous update was at 02:42 AM ----------

Code:
awk 'BEGIN{a++a++; print a (a-a) (a/a) (a*a)}'

The shortest portable AWK script I could construct:
Code:
awk '{print NF x*x NR NF*NF}'<<<.\ .

For the price of three additional characters, a piped echo can be used instead of the here-string.

Regards,
Alister

---------- Post updated at 09:08 AM ---------- Previous update was at 08:51 AM ----------

The shortest non-portable AWK script:
Code:
gawk '$x=NF x*x NR NF*NF'<<<.\ .

It only works with gawk and busybox (the use of an undefined variable as a field reference, $x, fails with nawk and mawk). A portable version of this solution:
Code:
awk '$(NF-NF)=NF x*x NR NF*NF'<<<.\ .

Regards,
Alister
 

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HXWLS(1)							  HTML-XML-utils							  HXWLS(1)

NAME
hxwls - list links in an HTML file SYNOPSIS
hxwls [ -l ] [ -t ] [ -r ] [ -h ] [ -b base ] [ file ] DESCRIPTION
The hxwls command reads an HTML file (standard input by default) and prints out all links it finds. The output is written to stdout. OPTIONS
The following options are supported: -l Produce a long listing. Instead of just the URI, hxwls prints three columns: the element name, the value of the REL attribute, and the target URI. -t Produce a tuple listing. hxwls prints four columns: the URI of the document itself, the element name, the value of the REL attribute, and the target URI. -r Print relative URLs as they are, without converting them to absolute URLs. -b base Use base as the initial base URL. If there is a <base> element in the document, it will override the -b option. -h Output as HTML. The output will be listed in the form of <a> elements. OPERANDS
The following operand is supported: file The name or the URL of an HTML file. If absent, standard input is read instead. DIAGNOSTICS
The following exit values are returned: 0 Successful completion. > 0 An error occurred in the parsing of the HTML file. hxwls will try to correct the error and produce output anyway. SEE ALSO
asc2xml(1), hxnormalize(1), hxnum(1), xml2asc(1) 6.x 10 Jul 2011 HXWLS(1)
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