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Full Discussion: awk for join
Top Forums Shell Programming and Scripting awk for join Post 302357863 by repinementer on Wednesday 30th of September 2009 09:58:58 PM
Old 09-30-2009
awk for join

Is it possible to do this with awk command??

sort1.txt
Code:
a    10
b    20

sort2.txt
Code:
a
b
c
d

join command

Code:
join sort1.txt sort2.txt && join -v1 sort2.txt sort1.txt

output
Code:
a    10
b    20
c
d

Thanx

---------- Post updated at 05:44 PM ---------- Previous update was at 05:35 PM ----------

I come up with this. working fine but still has some join command in it

Code:
gispc290 ~/Desktop
$ awk 'NR==FNR{_[$1]=$1;next}$1 in _{print _[$1],$2,$3}' sort2.txt sort1.txt && join -v1 sort2.txt sort1.txt



---------- Post updated at 05:58 PM ---------- Previous update was at 05:44 PM ----------

May be this
Code:
gispc290 ~/Desktop
$ awk 'NR==FNR{_[$1]=$1;next}$1 in _{print _[$1],$2,$3}' sort2.txt sort1.txt && awk 'FNR==NR{a[$1]++;next}!a[$1] {print $0}' sort1.txt sort2.txt

 

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PAPS(1) 						      General Commands Manual							   PAPS(1)

NAME
paps - UTF-8 to PostScript converter using Pango SYNOPSIS
paps [options] files... DESCRIPTION
paps reads a UTF-8 encoded file and generates a PostScript language rendering of the file. The rendering is done by creating outline curves through the pango ft2 backend. OPTIONS
These programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. --landscape Landscape output. Default is portrait. --columns=cl Number of columns output. Default is 1. --font=desc Set the font description. Default is Monospace 12. --rtl Do rtl layout. --paper ps Choose paper size. Known paper sizes are legal, letter, a4. Default is A4. --bottom-margin=bm Set bottom margin in postscript points (1/72 inch). Default is 36. --top-margin=tm Set top margin. Default is 36. --left-margin=lm Set left margin. Default is 36. --right-margin=rm Set right margin. Default is 36. --help Show summary of options. --header Draw page header for each page. --markup Interpret the text as pango markup. --encoding=ENCODING Assume the documentation encoding is ENCODING. --lpi Set the lines per inch. This determines the line spacing. --cpi Set the characters per inch. This is an alternative method of specifying the font size. --stretch-chars Indicates that characters should be stretched in the y-direction to fill up their vertical space. This is similar to the texttops behaviour. AUTHOR
paps was written by Dov Grobgeld <dov.grobgeld@gmail.com>. This manual page was written by Lior Kaplan <kaplan@debian.org>, for the Debian project (but may be used by others). April 17, 2006 PAPS(1)
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