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Full Discussion: Sort based on positions in flat file
Top Forums Shell Programming and Scripting Sort based on positions in flat file Post 302876660 by summer_cherry on Tuesday 26th of November 2013 02:10:39 AM
Old 11-26-2013
python OR perl
python
Code:
def leo(x):
 return(x[0],x[1],int(x[2]))
d=[]
with open("a.txt") as file:
 for line in file:
  line=line.replace("\n","")
  items = line.split(" ")
  d.append(items)
for i in sorted(d,key=leo):
 print(i)

perl
Code:
my @result;
while(<DATA>){
	my @arr=split(" ",$_);
	push @result,\@arr;
}
for my $val (sort {$a->[0] cmp $b->[0] || $a->[1] cmp $b->[1] || $a->[2] <=> $b->[2]} @result){
	print join " ", @$val;
	print "\n";
}
__DATA__
c d 10
a b 20
d c 10
c a 10
c d 20
b b 100
d a 13
d c 8

 

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LEARN ABOUT DEBIAN

suspend

suspend(1)                                                         User Commands                                                        suspend(1)

NAME

       suspend - shell built-in function to halt the current shell

SYNOPSIS

   sh
       suspend

   csh
       suspend

   ksh
       suspend

DESCRIPTION

   sh
       Stops the execution of the current shell (but not if it is the login shell).

   csh
       Stop the shell in its tracks, much as if it had been sent a stop signal with ^Z. This is most often used to stop shells started by su.

   ksh
       Stops the execution of the current shell (but not if it is the login shell).

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcsu                      |
       +-----------------------------+-----------------------------+

SEE ALSO

       csh(1), kill(1), ksh(1), sh(1), su(1M), attributes(5)

SunOS 5.10                                                          15 Apr 1994                                                         suspend(1)
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