I'm trying to use awk to write new entries to a hosts file if they don't exist. I need to do so depending on the type of system I have. Below is what I have, but it isn't working.
Does anybody have an explanation for the following:
The following scripts runs fine on IRIX64 6.5 but has bugs on Solaris 8.
#! /bin/sh
echo run only on an SGI machine
echo type in linenumber
read j
echo value
read value
awk -f rmspass2 level=$value $j'step1.mlf'
When the script is... (5 Replies)
Hi
I have a unix shell script with an awk statement. I would like to print some of the fields of an input file. However, I would like to print them dynamically, ie by passing the literal $1 $3 into the script to define the output.
I have tried the following:
variable1='$1'
awk... (2 Replies)
I am trying to pass the results from a variable gathered from awk, however when I echo the 'PARSE' and 'SUB', the response is blank. This is my command.
awk -F= '/Unit/''{ PARSE=substr($2,1,5) ; SUB=substr($2,1,1) }' inputfile.lst
Is this a kind of valid attempt or am I obligated to declare... (3 Replies)
Hi,
How to pass space seprated variables in awk. (HP-UX, sh shell)
I have the problem like below:
var="Hello"
var2="Manu Batham"
echo $var2 | awk -v variable=${var} '{ printf "%s %s", variable, $1}'
and its output is:
Hello Manu
while output should be:
Hello Manu Batham
Please... (4 Replies)
Hi.
I need to parse file and assign some values to variables, right now i do like below
MYHOMEDIR=`awk '/Home/ {print $NF}' output.txt`
MYSHELL=`awk '/Shell/ {print $NF}' output.txt`
PRGRP=`awk '/Primary/ {print $NF}' output.txt`
SECGRP=`awk '/Second/ {print $NF}' output.txt`
In this... (10 Replies)
Using ksh to call a function which has awk script embedded.
It parses a long two element list file, filled with text numbers (I want column 2, beginning no sooner than line 45, that's the only known thing) . It's unknown where to start or end the data collection, dynamic variables will be used. ... (1 Reply)
Hi all,
I am wanting to pass variables from a file to an awk arithmetic formula.
When I use the formula with the value it works well. As soon as I make these variables I get an inf (infinity) response. I can certainly echo the variables back and they look correct. My googling for answers has... (3 Replies)
Hi guys,
I need to fetch data from logfile between two given dates,i got the below code from our forum.It works perfect,but i need to enter the value dynamically to awk while running.
awk '/2012 Jun/{p=1}!/2012 Jul/ && prev~/2012 Jul/ && p{p=0}{prev=$0}p' file
i tried the below code,but... (4 Replies)
Am looking to pass some Linux environment variables into AWK , can I simply use the -v option ?
awk -F: -v AHOME=$HOME '{ if
{rm AHOME/file.txt
a=2 } }'
config.txt
... (4 Replies)
Discussion started by: alldbest
4 Replies
LEARN ABOUT SUSE
xs::apitest
XS::APItest(3pm) Perl Programmers Reference Guide XS::APItest(3pm)NAME
XS::APItest - Test the perl C API
SYNOPSIS
use XS::APItest;
print_double(4);
ABSTRACT
This module tests the perl C API. Currently tests that "printf" works correctly.
DESCRIPTION
This module can be used to check that the perl C API is behaving correctly. This module provides test functions and an associated test
script that verifies the output.
This module is not meant to be installed.
EXPORT
Exports all the test functions:
print_double
Test that a double-precision floating point number is formatted correctly by "printf".
print_double( $val );
Output is sent to STDOUT.
print_long_double
Test that a "long double" is formatted correctly by "printf". Takes no arguments - the test value is hard-wired into the function (as
"7").
print_long_double();
Output is sent to STDOUT.
have_long_double
Determine whether a "long double" is supported by Perl. This should be used to determine whether to test "print_long_double".
print_long_double() if have_long_double;
print_nv
Test that an "NV" is formatted correctly by "printf".
print_nv( $val );
Output is sent to STDOUT.
print_iv
Test that an "IV" is formatted correctly by "printf".
print_iv( $val );
Output is sent to STDOUT.
print_uv
Test that an "UV" is formatted correctly by "printf".
print_uv( $val );
Output is sent to STDOUT.
print_int
Test that an "int" is formatted correctly by "printf".
print_int( $val );
Output is sent to STDOUT.
print_long
Test that an "long" is formatted correctly by "printf".
print_long( $val );
Output is sent to STDOUT.
print_float
Test that a single-precision floating point number is formatted correctly by "printf".
print_float( $val );
Output is sent to STDOUT.
call_sv, call_pv, call_method
These exercise the C calls of the same names. Everything after the flags arg is passed as the the args to the called function. They
return whatever the C function itself pushed onto the stack, plus the return value from the function; for example
call_sv( sub { @_, 'c' }, G_ARRAY, 'a', 'b'); # returns 'a', 'b', 'c', 3
call_sv( sub { @_ }, G_SCALAR, 'a', 'b'); # returns 'b', 1
eval_sv
Evaluates the passed SV. Result handling is done the same as for "call_sv()" etc.
eval_pv
Exercises the C function of the same name in scalar context. Returns the same SV that the C function returns.
require_pv
Exercises the C function of the same name. Returns nothing.
SEE ALSO
XS::Typemap, perlapi.
AUTHORS
Tim Jenness, <t.jenness@jach.hawaii.edu>, Christian Soeller, <csoelle@mph.auckland.ac.nz>, Hugo van der Sanden <hv@crypt.compulink.co.uk>
COPYRIGHT AND LICENSE
Copyright (C) 2002,2004 Tim Jenness, Christian Soeller, Hugo van der Sanden. All Rights Reserved.
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.12.1 2010-05-13 XS::APItest(3pm)