Hi,
i have a txtfile with the format <Nr>tab<word>tab<other stuff>new line and i want to sort the <word>-colum with a perl script.
My textfile:
i found this posting, but i am to stupid to find a fitting REGEX for my program =(
unix.com/shell-programming-scripting/15334-sort-array-strings-perl.html
so i've got 1to5 numbers, a tab (\t), the word , another tab and some random stuff
Hi,
When using sort on an associative array:
foreach $key (sort(keys(%opalfabet))){
$value = $opalfabet{$key};
$result .= $value;
}
How does it handle double values?
It seems to me that it removes them, is that true? If so, is there a way to get... (2 Replies)
I have an array full of string values that need to be sorted, but if a value starts with (regex) 0^ it should be at the beginning of the array. Otherwise the array should be sorted normally using ascii sort.
Please help me create the sub to pass to the sort function. (7 Replies)
Hi All
I want to search a string from an array in Perl. If a match occurs, assign that string to a variable else assign 'No match'. I tried writing the script as follows but it's in vain. Please help me..
#!/usr/bin/perl
use strict;
my $NER;
my @text=("ORG","PER");
... (4 Replies)
Hi All,
I have an array in perl as @match = (201001,201002,201001,201002);
I am trying to sort this array as
@match = sort(@match);
print "@match";
I dont see the output sorted any answers
I also tried another way, but still the results are not sorted
foreach my $match (sort { $a... (2 Replies)
#!/usr/bin/perl
my @arr=("hello", "how", "are", "you");
$l=length(@arr);
print $l;
This print 1.Why?
How can i print the array size = 4?
I want to store these in an array.
hello
how
are
you
And then i want to access these element through indexing.
How can i do this? (4 Replies)
Hi,
I would like to do the following sorting, but the output is not what i expected. Why 222 and 2222 are not at the last two elements of array?
awk 'BEGIN{a="22";a="2222";a="33";a="44";a="222";a="11";a="22";a="33";asort(a); for (i=1;i<=8;i++) print a}'
11
22
22
222
2222
33
33
44... (1 Reply)
I have an array and two variables as below,
I need to check if $datevar is present in $filename.
If so, i need to replace $filename with the values in the array.
I need the output inside an ARRAY
How can this be done.
Any help will be appreciated. Thanks in advance. (2 Replies)
Hi all,
Not sure if this should be in the programming forum, but I believe it will get more response under the Shell Programming and Scripting FORUM.
Am trying to write a customized df script in Perl and need some help with regards to using arrays and file handlers.
At the moment am... (3 Replies)
sub uniq {
my %h;
return grep { !$h{$_}++ } @_
}
The above code is to remove duplicates from array.
I am having hard time understanding below things (basically around highlighted code in bold)-
when was the value inserted in hash?
and are we only adding a key in Hash not... (1 Reply)
Discussion started by: Tanu
1 Replies
LEARN ABOUT BSD
join
JOIN(1) General Commands Manual JOIN(1)NAME
join - relational database operator
SYNOPSIS
join [ options ] file1 file2
DESCRIPTION
Join forms, on the standard output, a join of the two relations specified by the lines of file1 and file2. If file1 is `-', the standard
input is used.
File1 and file2 must be sorted in increasing ASCII collating sequence on the fields on which they are to be joined, normally the first in
each line.
There is one line in the output for each pair of lines in file1 and file2 that have identical join fields. The output line normally con-
sists of the common field, then the rest of the line from file1, then the rest of the line from file2.
Fields are normally separated by blank, tab or newline. In this case, multiple separators count as one, and leading separators are dis-
carded.
These options are recognized:
-an In addition to the normal output, produce a line for each unpairable line in file n, where n is 1 or 2.
-e s Replace empty output fields by string s.
-jn m Join on the mth field of file n. If n is missing, use the mth field in each file.
-o list
Each output line comprises the fields specified in list, each element of which has the form n.m, where n is a file number and m is a
field number.
-tc Use character c as a separator (tab character). Every appearance of c in a line is significant.
SEE ALSO sort(1), comm(1), awk(1)BUGS
With default field separation, the collating sequence is that of sort -b; with -t, the sequence is that of a plain sort.
The conventions of join, sort, comm, uniq, look and awk(1) are wildly incongruous.
7th Edition April 29, 1985 JOIN(1)