Hi,
Is is possible to get the value using shell script?
x=1
y1 = 10
y2 = 15
y3 = 7
echo $y$x is giving y1 (variable name)
but I need the value of y1 (i.e. 10 dynamically)
Is there any solution?
if so, please mail me at kkodava@maxis.com.my
... (2 Replies)
Hi,
I do have a file and the contents are as follws:
10
20
30
40
50
Now I want to store those values into an array. How can be done this ?? (3 Replies)
I know there are caveats about using read in pipelines because read is treated by a subshell. I know this but I can't think of any way to accomplish this regardless, I'm still a rookie.
I hope somebody will be able to interpret what it is that I'm trying to accomplish and correct me.
... (2 Replies)
Hi,
I want to put values in .txt file into array. Example :
$vi repo.txt
abc
def
ghi
jkl
mno
pqr
i want the output to be like this:
$echo ${mydf}
abc
$echo ${mydf}
def
$echo ${mydf}
ghi (3 Replies)
Hi all.
Well, I have the next code:
I need to make an array with the values I have in the bucle, but just don't get it...
Question is, how can I store in an array that values, and how can I display them with echo? (8 Replies)
Hi Friends,
I am having some trouble reading into an array. Basically, I am trying to grep for a pattern and extract it's value and store the same into an array. For eg., if my input is:
<L:RECORD>name=faisel farooq,age=21,
company=TCS,project=BT</L:RECORD>
<L:RECORD>name=abc... (1 Reply)
Dear All,
I have been trying to do a simple task of extracting 2 fields from the file (3 rows) and store it in an array variable. I tried with:
#! /bin/bash
ch=`cut -f10 tmp.txt`
counter=0
for p in $pid
do
c=${ch}
echo "$c ..$counter"
counter=$((counter+1))... (2 Replies)
Hi,
How to store the values in array from output result,
EG:
I have the result like this,
ps, google, 1.txt, 1
sam, google, 2.txt, 2
These are the four values followed by comma in two sets. I need to store these values set by set. One set contains four values followed by comma.
... (2 Replies)
Hi,
when I enter 'ps -ef| grep process_name'/'psu | grep process_name', i am getting multiple number of lines output( i mean multiple no of processes).how can i store it one by one and echo it in the same way(one by one).
part of script is
var1=$(remsh hostname -l username ps -ef|grep... (2 Replies)
Here's my code:
awk -F '' 'NR==FNR {
if (/time/ && $5>10)
A=$2" "$3":"$4":"($5-01)
else if (/time/ && $5<01)
A=$2" "$3":"$4-01":"(59-$5)
else if (/time/ && $5<=10)
A=$2" "$3":"$4":0"($5-01)
else if (/close/) {
B=0
n1=n2;
... (2 Replies)
Discussion started by: klane
2 Replies
LEARN ABOUT DEBIAN
arch::sharedindex
Arch::SharedIndex(3pm) User Contributed Perl Documentation Arch::SharedIndex(3pm)NAME
Arch::SharedIndex - a synchronized data structure (map) for IPC
SYNOPSIS
use Arch::SharedIndex;
my $map = Arch::SharedIndex->new(file => "/tmp/logintimes.idx");
my $time = time;
$map->store(migo => $time - 75, bob => $time - 5, enno => $time);
printf "All users: %s, %s, %s
", $map->keys;
printf "New users: %s
", $map->grep(sub { $_[1] == $time });
printf "Login time of migo: %s
", $map->fetch('migo');
$map->update(sub { $_[1] + 10 }, sub { $_[1] == $time });
$map->store(migo => $time);
$map->delete('bob');
printf "Logged users with times: (%s)
", join(", ", $map->hash);
DESCRIPTION
Arch::SharedIndex provides a key-value map that can be shared and accessed safely by multiple processes.
METHODS
The following methods are available:
new, encode_value, decode_value, store_value, fetch_value, delete_value, store, fetch, delete, fetch_store, keys, values, hash, list, grep,
filter, update, query_index_list.
new options
Create a new index object. option is a hash of parameters.
file
The path of the index file, used to store data. Must not be omitted.
can_create
Whether the index file is automatically created. Defaults to 1.
max_size
Maximum number of entries in the index. Defaults to 0 (no limit).
expiration
Timeout in seconds after which unused entries are removed. Defaults to 0 (don't expire entries)
time_renewal
Whether fetching values resets the entry expiration timeout. Defaults to 1 if max_size is set, 0 otherwise.
perl_data
Whether non-scalar perl data can be stored. If true, values are encoded using Data::Dumper.
perl_data_indent
Indent value for Data::Dumper when perl_data is set. Defaults to 0.
perl_data_pair
Pair value for Data::Dumper when perl_data is set. Defaults to "=>".
encode_value ref
Encode the value referenced by ref in a string representation. The encoding is done in place.
decode_value ref
Decode a value encoded with encode_value from its string representation. The decoding is done in place.
store_value key token value
Store a value for the given key and token. Create a new token if none is given. Returns the (new) token. Sub-classes should
implement this method.
fetch_value key token
Fetch the value stored for the given key and token. Sub-classes should implement this method.
delete_value key token
Delete a value stored for the given key and value. Sub-classes should implement this method.
store kvp
Store a set of key-value pairs. kvp may either be a reference to a hash or array, or list of keys and values.
fetch keys
Fetch values stored for a list of keys. keys may either be an array reference, or a list of keys.
delete keys
Delete values stored for a list of keys. keys may either be an array reference, or a list of keys.
fetch_store mapfunc keys
This is an optimized (fetch or store) in a single step. Fetch values stored for keys, just like fetch, but store values for the
missing keys in the process. keys may be an array reference or a list of keys. mapfunc will be called once for every key in keys that
has no associated value, with the key as its only argument. Its return value will be stored for that key.
keys
Returns a list of all valid keys. In scalar context, returns an array reference.
Keys are returned in no particular order, but values will return values in matching order if the index has not been changed between
calls.
values
Returns a list of all stored values. In scalar context, returns an array reference.
Values are returned in no particular order, but keys will return values in matching order if the index has not been changed between
calls.
hash
Returns the stored keys and values as a perl hash. In scalar context, returns hash reference.
list
Returns the stored keys and values as a list of pairs (array references with two elements each). In scalar context, returns an array
reference.
grep predicate
Returns a list of keys for which predicate returns a true value. predicate is called once for every key, with the key and the stored
value as its first and second argument.
filter predicate
Deletes every entry for which predicate returns a true value. predicate is called once for every key, with the key and the stored
value asi its first and second argument.
update mapfunc predicate
Updates the value for every key for which predicate returns a true value with the return value from mapfunc. Both predicate and
mapfunc are called with the key and the stored values as their first and second argument.
update_index_list code
Synchronize access and call code with a reference to a list of pairs, each containing the key and token, for every stored value.
Used internally by store, fetch, delete, fetch_store, keys, values, hash, list, grep, filter and update.
BUGS
Awaiting for your reports.
AUTHORS
Mikhael Goikhman (migo@homemail.com--Perl-GPL/arch-perl--devel).
Enno Cramer (uebergeek@web.de--2003/arch-perl--devel).
SEE ALSO
For more information, see Arch::SharedCache.
perl v5.10.1 2005-09-17 Arch::SharedIndex(3pm)