hai
in my shell script i want to replace the following commands
1) more
2) head
3) tail
i want to try all type of possible options avaliabul in the above commands
please help in implementing those commands (9 Replies)
I've a major file which includes other files and now I wanna 'cut' the file in several minor parts....like
....
find / -name "*.tmp" >filea
wc -l filea >fileb
sed -e '1s/ filea//' fileb >filec
AMOUNT=`cat filec`
if ; then
cat file a |head -100l (ell) |tail -100l >filec
cat file a |head... (6 Replies)
Hi,
I have been given assignment of 30 scripts out of which I was able to solve many, I need help with few out of which one asks to imitate head and tail command of unix without using the head and tail commands. Problem is stated below:
Write an interactive shell script to imitate the head... (5 Replies)
Hi, I only have a very limited understanding and experience with writing code and I was hoping I could get some help.
I have a dataset of two columns (txt format, numbers in each row separated by a tab)
Eg.
1 5
2 5
3 6
4 7
5 6
6 6
7 ... (5 Replies)
Hi,
As part of our project, we need to load historical data for a year before our system is live. We have the data feed files that we need to load. However, I need to make sure that the file structure (number of fields separated by a comma) on the field is same for all the files of the same... (1 Reply)
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
view the 7th line of the program xxx.sh
2. Relevant commands, code, scripts, algorithms:
head command tail... (10 Replies)
Hi All,
I am new to unix.
In this forum some days back, I have read something like below:
1) Do not use perl if awk can do your work.
2) Do not use awk if sed can do your work.
.
.
.
I do not re-collect the whole thing. I think it is good to know the precedence of using these... (2 Replies)
First month learning about the Linux terminal and it has been a challenge yet fun so far. We're learning by using a gameshell. I'm trying to display a certain line ( only allowed 1 command ) from a file only using the head or tail. I'm pretty about this answer:
head -23 history.txt | tail -1... (1 Reply)
Discussion started by: forzatekk
1 Replies
LEARN ABOUT OSX
mail::spf::v2::record5.16
Mail::SPF::v2::Record(3) User Contributed Perl Documentation Mail::SPF::v2::Record(3)NAME
Mail::SPF::v2::Record - Sender ID ("spf2.0") record class
SYNOPSIS
See Mail::SPF::Record.
DESCRIPTION
An object of class Mail::SPF::v2::Record represents a Sender ID ("spf2.0") record.
Constructors
The following constructors are provided:
new(%options): returns Mail::SPF::v2::Record
Creates a new Sender ID ("spf2.0") record object.
%options is a list of key/value pairs representing any of the following options:
text
terms
global_mods
See "new" in Mail::SPF::Record.
scopes
Required. See "new" in Mail::SPF::Record. The 'mfrom' and 'pra' scopes are supported. There is no default.
new_from_string($text, %options): returns Mail::SPF::v2::Record; throws Mail::SPF::ENothingToParse, Mail::SPF::EInvalidRecordVersion,
Mail::SPF::ESyntaxError
Creates a new Sender ID ("spf2.0") record object by parsing the string and any options given.
Class methods
The following class methods are provided:
version_tag_pattern: returns Regexp
Returns a regular expression that matches a version tag of 'spf2.0/' plus a comma-separated list of any of the 'mfrom' and 'pra'
scopes. The following are valid version tags:
spf2.0/mfrom
spf2.0/pra
spf2.0/mfrom,pra
spf2.0/pra,mfrom
default_qualifier
results_by_qualifier
See "Class methods" in Mail::SPF::Record.
Instance methods
The following instance methods are provided:
text
scopes
terms
global_mods
global_mod
stringify
eval
See "Instance methods" in Mail::SPF::Record.
version_tag: returns string
Returns 'spf2.0/' plus a comma-separated list of the scopes of the record. See "version_tag_pattern" for a list of possible return
values.
SEE ALSO
Mail::SPF, Mail::SPF::Record, Mail::SPF::Term, Mail::SPF::Mech, Mail::SPF::Mod
<http://tools.ietf.org/html/rfc4408>
For availability, support, and license information, see the README file included with Mail::SPF.
AUTHORS
Julian Mehnle <julian@mehnle.net>, Shevek <cpan@anarres.org>
perl v5.16.2 2013-08-25 Mail::SPF::v2::Record(3)