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Top Forums UNIX for Dummies Questions & Answers Getting non unique lines from concatenated files Post 302506370 by bartus11 on Sunday 20th of March 2011 11:04:17 AM
Old 03-20-2011
I combined those two Perl lines. You can specify files to be compared in the red part of the code:
Code:
perl -l -0e 'BEGIN{@f=(file_3,file_4,file_1);$N=$#f}for $i (0..$N){for $j (0..$i-1,$i+1..$N){open I,"<$f[$j]";$a.=<I>}open O,">files${i}.tmp";print O $a;$a=""};
for $i (0..$N){print "$f[$i] unique\n";system "bash -c \"comm -23 <(sort $f[$i]) <(sort files$i.tmp);rm -f files$i.tmp\"";print "\n##############\n"}'

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GRUB-RENDER-LABEL(1)                                               User Commands                                              GRUB-RENDER-LABEL(1)

NAME
grub-render-label - generate a .disk_label for Apple Macs. SYNOPSIS
grub-render-label [OPTION...] [OPTIONS] DESCRIPTION
Render Apple .disk_label. -b, --bgcolor=COLOR use COLOR for background -c, --color=COLOR use COLOR for text -f, --font=FILE use FILE as font (PF2). -i, --input=FILE read text from FILE. -o, --output=FILE set output filename. Default is STDOUT -t, --text=STRING set the label to render -v, --verbose print verbose messages. -?, --help give this help list --usage give a short usage message -V, --version print program version Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options. REPORTING BUGS
Report bugs to <bug-grub@gnu.org>. SEE ALSO
The full documentation for grub-render-label is maintained as a Texinfo manual. If the info and grub-render-label programs are properly installed at your site, the command info grub-render-label should give you access to the complete manual. grub-render-label (GRUB) 2.02-2ubuntu8.3 July 2018 GRUB-RENDER-LABEL(1)
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