This is a crude example that may do what you want (scriptname.pl)
Say if your data are in the file "file.dat", type
cat file.dat | perl scriptname.pl
should extract the first field for you and assign to $var, eliminating the leading zeros. You may also want to use open/close to read the data file directly as RTM demonstrated.
Hi Guys,
I'm a Perl newbie and was wondering if there's a way of displaying
double quotes within double quotes.
I'm try to print the contents of the variable to a file by using the system function.
Here is an example of my code:
#==============================
$website = <STDIN>;... (2 Replies)
I have a cgi script I run through apache2 and I need to have a line that contains double quotes within double quotes.
Here's what I need PERL to pass to rrdtool:
HRULE:30#BBBB00:"30.0 constant":dashesIt's a little more complicated since I also have variables in the statement which requires... (13 Replies)
I need to echo a string that has double quotes in a Perl script.
#!/usr/bin/env perl
`echo Rule123 -comment \"blah blah\" >> $filename`
I'd like to get below appended to $filename:
Rule 123 -comment "blah blah"
But instead, the double quotes are lost:
Rule 123 -comment blah bah
... (1 Reply)
Hi,
I have string like this:
$str=' DNA OR ("rna AND binding AND protein")';
I just wanted to substitute AND with a blank. How can i do that?
I want the output like this:
$string= DNA OR ("rna binding protein") (3 Replies)
Hi,
I have an input file like this
$ cat infile
hi,i,"am , sam", y
hello ,good, morning
abcd, " ef, gh " ,ij
no, "good,morning", yes, "good , afternoon"
from this file I have to split the fields on basis of comma"," however, I the data present inside double qoutes should be treated as... (3 Replies)
i want extract where the 2nd column having "3" or "7".
Based on the forums tried like this but it is not working
awk -F"," '$2=3;$2=7 {print}' filename
Source
"1","2","3","4"
"1","3","3","4"
"1","7","3","4"
"1","8","3","4"
"1","2","3","4"
"1","2","3","4"
Output :
... (5 Replies)
Hi,
Trying to change the prompt. I have the following code.
export PS1='
<${USER}@`hostname -s`>$ '
The hostname is not displayed
<abc@`hostname -s`>$ uname -a
AIX xyz 1 6 00F736154C00
<adcwl4h@`hostname -s`>$
If I use double quotes, then the hostname is printed properly but... (3 Replies)
Hi All,
I'm stuck-up in finding a way to skip the delimiter which come within double quotes using awk or any other better option. can someone please help me out.
Below are the details:
Delimited: |
Sample data: 742433154|"SYN|THESIS MED CHEM PTY.... (2 Replies)
Hi All,
I'm unable to load the data using sql loader where there are double quotes within the double quotes As these are optionally enclosed by double quotes.
Sample Data :
"221100",138.00,"D","0019/1477","44012075","49938","49938/15043000","Television - 22" Refurbished - Airwave","Supply... (6 Replies)
Hi All,
I have my data like below
"1","abc,db","hac,aron","4","5"
Now I need to extract 1,2,4th columns
Output should be like
"1",abc,db","4"
Am trying to use cut command but not able to get the results.
Thanks in advance. (4 Replies)
Discussion started by: weknowd
4 Replies
LEARN ABOUT REDHAT
pdl::gslsf::trig
TRIG(3) User Contributed Perl Documentation TRIG(3)NAME
PDL::GSLSF::TRIG - PDL interface to GSL Special Functions
DESCRIPTION
This is an interface to the Special Function package present in the GNU Scientific Library.
SYNOPSIS FunctionsFUNCTIONS
gsl_sf_sin
Signature: (double x(); double [o]y(); double [o]e())
Sin(x) with GSL semantics.
gsl_sf_cos
Signature: (double x(); double [o]y(); double [o]e())
Cos(x) with GSL semantics.
gsl_sf_hypot
Signature: (double x(); double xx(); double [o]y(); double [o]e())
Hypot(x,xx) with GSL semantics.
gsl_sf_complex_sin
Signature: (double zr(); double zi(); double [o]x(); double [o]y(); double [o]xe(); double [o]ye())
Sin(z) for complex z
gsl_sf_complex_cos
Signature: (double zr(); double zi(); double [o]x(); double [o]y(); double [o]xe(); double [o]ye())
Cos(z) for complex z
gsl_sf_complex_logsin
Signature: (double zr(); double zi(); double [o]x(); double [o]y(); double [o]xe(); double [o]ye())
Log(Sin(z)) for complex z
gsl_sf_lnsinh
Signature: (double x(); double [o]y(); double [o]e())
Log(Sinh(x)) with GSL semantics.
gsl_sf_lncosh
Signature: (double x(); double [o]y(); double [o]e())
Log(Cos(x)) with GSL semantics.
gsl_sf_polar_to_rect
Signature: (double r(); double t(); double [o]x(); double [o]y(); double [o]xe(); double [o]ye())
Convert polar to rectlinear coordinates.
gsl_sf_rect_to_polar
Signature: (double x(); double y(); double [o]r(); double [o]t(); double [o]re(); double [o]te())
Convert rectlinear to polar coordinates. return argument in range [-pi, pi].
gsl_sf_angle_restrict_symm
Signature: (double [o]y())
Force an angle to lie in the range (-pi,pi].
gsl_sf_angle_restrict_pos
Signature: (double [o]y())
Force an angle to lie in the range [0,2 pi).
gsl_sf_sin_err
Signature: (double x(); double dx(); double [o]y(); double [o]e())
Sin(x) for quantity with an associated error.
gsl_sf_cos_err
Signature: (double x(); double dx(); double [o]y(); double [o]e())
Cos(x) for quantity with an associated error.
AUTHOR
This file copyright (C) 1999 Christian Pellegrin <chri@infis.univ.trieste.it> All rights reserved. There is no warranty. You are allowed to
redistribute this software / documentation under certain conditions. For details, see the file COPYING in the PDL distribution. If this
file is separated from the PDL distribution, the copyright notice should be included in the file.
The GSL SF modules were written by G. Jungman.
perl v5.8.0 2003-01-29 TRIG(3)