12-13-2006
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I am doing KSH script to remove duplicate lines in a file. Let say the file has format below.
FileA
1253-6856
3101-4011
1827-1356
1822-1157
1822-1157
1000-1410
1000-1410
1822-1231
1822-1231
3101-4011
1822-1157
1822-1231
and I want to simply it with no duplicate line as file... (5 Replies)
Discussion started by: Teh Tiack Ein
5 Replies
2. UNIX for Dummies Questions & Answers
I have a log file "logreport" that contains several lines as seen below:
04:20:00 /usr/lib/snmp/snmpdx: Agent snmpd appeared dead but responded to ping
06:38:08 /usr/lib/snmp/snmpdx: Agent snmpd appeared dead but responded to ping
07:11:05 /usr/lib/snmp/snmpdx: Agent snmpd appeared dead but... (18 Replies)
Discussion started by: Nysif Steve
18 Replies
3. Shell Programming and Scripting
Hi,
I came to know that using awk '!x++' removes the duplicate lines. Can anyone please explain the above syntax. I want to understand how the above awk syntax removes the duplicates.
Thanks in advance,
sudvishw :confused: (7 Replies)
Discussion started by: sudvishw
7 Replies
4. Shell Programming and Scripting
Hi, I have a huge file which is about 50GB. There are many lines. The file format likes
21 rs885550 0 9887804 C C T C C C C C C C
21 rs210498 0 9928860 0 0 C C 0 0 0 0 0 0
21 rs303304 0 9941889 A A A A A A A A A A
22 rs303304 0 9941890 0 A A A A A A A A A
The question is that there are a few... (4 Replies)
Discussion started by: zhshqzyc
4 Replies
5. Shell Programming and Scripting
Hello Folks,
Can some one help me with the removal of duplicate lines from a log file and send it to another log file. It's bit complicated as two lines are same but only difference is the timestamp, but some lines are uniq. Line has been seperated by colon's.
Log file:... (5 Replies)
Discussion started by: sim_je
5 Replies
6. Shell Programming and Scripting
hi to all
Does anyone know if there's a way to remove duplicate lines which we consider the same only if they have the first and the second column the same?
For example I have :
us2333 bbb 5
us2333 bbb 3
us2333 bbb 2
and I want to get
us2333 bbb 10
The thing is I cannot... (2 Replies)
Discussion started by: vlm
2 Replies
7. UNIX for Dummies Questions & Answers
Hi
I need this output. Thanks.
Input:
TAZ
YET
FOO
FOO
VAK
TAZ
BAR
Output:
YET
VAK
BAR (10 Replies)
Discussion started by: tara123
10 Replies
8. Shell Programming and Scripting
Hi,
I have a csv file which contains some millions of lines in it.
The first line(Header) repeats at every 50000th line. I want to remove all the duplicate headers from the second occurance(should not remove the first line).
I don't want to use any pattern from the Header as I have some... (7 Replies)
Discussion started by: sudhakar T
7 Replies
9. Shell Programming and Scripting
Within my text file i have several thousand lines of text with some lines containing duplicate strings/words. I would like to entirely remove those lines which contain the duplicate strings.
Eg;
One and a Two
Unix.com is the Best
This as a Line Line
Example duplicate sentence with the word... (22 Replies)
Discussion started by: martinsmith
22 Replies
10. Shell Programming and Scripting
Hi All,
I am storing the result in the variable result_text using the below code.
result_text=$(printf "$result_text\t\n$name") The result_text is having the below text. Which is having duplicate lines.
file and time for the interval 03:30 - 03:45
file and time for the interval 03:30 - 03:45 ... (4 Replies)
Discussion started by: nalu
4 Replies
LEARN ABOUT DEBIAN
dpkg::control::hash
Dpkg::Control::Hash(3) libdpkg-perl Dpkg::Control::Hash(3)
NAME
Dpkg::Control::Hash - parse and manipulate a block of RFC822-like fields
DESCRIPTION
The Dpkg::Control::Hash object is a hash-like representation of a set of RFC822-like fields. The fields names are case insensitive and are
always capitalized the same when output (see field_capitalize function in Dpkg::Control::Fields). The order in which fields have been set
is remembered and is used to be able to dump back the same content. The output order can also be overridden if needed.
You can store arbitrary values in the hash, they will always be properly escaped in the output to conform to the syntax of control files.
This is relevant mainly for multilines values: while the first line is always output unchanged directly after the field name, supplementary
lines are modified. Empty lines and lines containing only dots are prefixed with " ." (space + dot) while other lines are prefixed with a
single space.
During parsing, trailing spaces are stripped on all lines while leading spaces are stripped only on the first line of each field.
FUNCTIONS
my $c = Dpkg::Control::Hash->new(%opts)
Creates a new object with the indicated options. Supported options are:
allow_pgp
Configures the parser to accept PGP signatures around the control information. Value can be 0 (default) or 1.
allow_duplicate
Configures the parser to allow duplicate fields in the control information. Value can be 0 (default) or 1.
drop_empty
Defines if empty fields are dropped during the output. Value can be 0 (default) or 1.
name The user friendly name of the information stored in the object. It might be used in some error messages or warnings. A default
name might be set depending on the type.
$c->set_options($option, %opts)
Changes the value of one or more options.
my $value = $c->get_option($option)
Returns the value of the corresponding option.
$c->load($file)
Parse the content of $file. Exits in case of errors. Returns true if some fields have been parsed.
$c->parse($fh, $description)
Parse a control file from the given filehandle. Exits in case of errors. $description is used to describe the filehandle, ideally it's
a filename or a description of where the data comes from. It's used in error messages. Returns true if some fields have been parsed.
$c->find_custom_field($name)
Scan the fields and look for a user specific field whose name matches the following regex: /X[SBC]*-$name/i. Return the name of the
field found or undef if nothing has been found.
$c->get_custom_field($name)
Identify a user field and retrieve its value.
$c->save($filename)
Write the string representation of the control information to a file.
my $str = $c->output()
"$c"
Get a string representation of the control information. The fields are sorted in the order in which they have been read or set except
if the order has been overridden with set_output_order().
$c->output($fh)
Print the string representation of the control information to a filehandle.
$c->set_output_order(@fields)
Define the order in which fields will be displayed in the output() method.
$c->apply_substvars($substvars)
Update all fields by replacing the variables references with the corresponding value stored in the Dpkg::Substvars object.
AUTHOR
Raphael Hertzog <hertzog@debian.org>.
1.16.15 2014-06-05 Dpkg::Control::Hash(3)