04-24-2010
If the grep command returns any result set
my intension is to use a grep command inside the shell script
and if any row is returned or not..
depending on the resultset i have to code on further.
how to check this
i mean.. could anyone help me out with the if condition how to use it here !!
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi,
I'm quite new to scripting and I want to modify following line of an existing script:
MYVAR=`subst |grep 'L:\\\:' | sed -e 's/.*\\\//'`;
What I have to do is to use the content of a variable instead of the constant expression 'L:\\\:' as the grep string to be matched.
Assuming I already... (5 Replies)
Discussion started by: snowbiker99
5 Replies
2. Shell Programming and Scripting
Hello,
I would like to parse all the shell variables and get the name and the value for each variable. Set command get the list of variables but I don't know if there is a command such getopts to get each of them.
regards,
Teo (7 Replies)
Discussion started by: teodora
7 Replies
3. Shell Programming and Scripting
Hi I am trying to run 2 servers using a script one after the other.
I start the first one:
run.sh -c servername >> jboss_log.txt &
Then I have to wait until I see Started message in the log file before I launch the other server.
I can't use sleep because I am not sure how long it'll... (5 Replies)
Discussion started by: iririr
5 Replies
4. UNIX for Dummies Questions & Answers
Is there a command where I can pipe my grep into it and it will output it with spaces rather than returns?
Example
I want to turn
prompt$ grep blah file
blah
blah
into this
prompt$ grep blah file | someCommand
blah blah (1 Reply)
Discussion started by: mrwatkin
1 Replies
5. Shell Programming and Scripting
Hi all,
I am trying to grep a .txt file for a word. When I hit enter, it returns back to $
The file is 4155402 in size and is named in this way:
*_eveningtimes_done_log.txt
I use this command, being in the same directory as the file:
grep -i "invalid" *_eveningtimes_done_log.txt
... (16 Replies)
Discussion started by: DallasT
16 Replies
6. Shell Programming and Scripting
Hi,
I have an issue with the result set. I wanted to run db2 query against db2 server in unix environment using perl script. I wanted to get the result set into an array.
$db=<<DB_Name>>
connect to $db
get connection state
this is my query = SELECT DISTINCT 'R' FROM... (0 Replies)
Discussion started by: solo123
0 Replies
7. Shell Programming and Scripting
Hi all. I am trying to compare and filter two files. I have a bigfile.txt of names and ids and a smallfile.txt of ids only. What I am trying to do is use a while read loop to read the ids in the bigfile and then echo the name and id only if the id exists in the small file. Basically, I'm trying to... (5 Replies)
Discussion started by: jameswatson3
5 Replies
8. UNIX for Dummies Questions & Answers
Hello.
I want to get all modules which are loaded and which name are exactly 2 characters long and not more than 2 characters and begin with "nv"
lsmod | (e)grep '^nv????????????
I want to get all modules which are loaded and which name begin with "nv" and are 2 to 7 characters long
... (1 Reply)
Discussion started by: jcdole
1 Replies
9. Shell Programming and Scripting
Hi,
I am running following command in a bash script for testing IO and use grep to get throughput number, but it did not work, it displayed everything:
dd if=/dev/zero of=/dev/null bs=1G count=1 oflag=dsync | grep bytes | awk '{print $7}'
1+0 records in
1+0 records out
536870912 bytes... (2 Replies)
Discussion started by: hce
2 Replies
10. Shell Programming and Scripting
Hello,
I am running below command as root user
#nodetool cfstats tests | grep "Memtable switch count"
Memtable switch count: 12
Where as when I try to run same command as another user it gives different result.
#su -l zabbix -s /bin/bash -c "nodetool cfstats tests | grep "Memtable switch... (10 Replies)
Discussion started by: Pushpraj
10 Replies
LEARN ABOUT DEBIAN
dbix::class::resultclass::hashrefinflator
DBIx::Class::ResultClass::HashRefInflator(3pm) User Contributed Perl Documentation DBIx::Class::ResultClass::HashRefInflator(3pm)
NAME
DBIx::Class::ResultClass::HashRefInflator - Get raw hashrefs from a resultset
SYNOPSIS
use DBIx::Class::ResultClass::HashRefInflator;
my $rs = $schema->resultset('CD');
$rs->result_class('DBIx::Class::ResultClass::HashRefInflator');
while (my $hashref = $rs->next) {
...
}
OR as an attribute:
my $rs = $schema->resultset('CD')->search({}, {
result_class => 'DBIx::Class::ResultClass::HashRefInflator',
});
while (my $hashref = $rs->next) {
...
}
DESCRIPTION
DBIx::Class is faster than older ORMs like Class::DBI but it still isn't designed primarily for speed. Sometimes you need to quickly
retrieve the data from a massive resultset, while skipping the creation of fancy row objects. Specifying this class as a "result_class"
for a resultset will change "$rs->next" to return a plain data hash-ref (or a list of such hash-refs if "$rs->all" is used).
There are two ways of applying this class to a resultset:
o Specify "$rs->result_class" on a specific resultset to affect only that resultset (and any chained off of it); or
o Specify "__PACKAGE__->result_class" on your source object to force all uses of that result source to be inflated to hash-refs - this
approach is not recommended.
METHODS
inflate_result
Inflates the result and prefetched data into a hash-ref (invoked by DBIx::Class::ResultSet)
CAVEATS
o This will not work for relationships that have been prefetched. Consider the following:
my $artist = $artitsts_rs->search({}, {prefetch => 'cds' })->first;
my $cds = $artist->cds;
$cds->result_class('DBIx::Class::ResultClass::HashRefInflator');
my $first = $cds->first;
$first will not be a hashref, it will be a normal CD row since HashRefInflator only affects resultsets at inflation time, and prefetch
causes relations to be inflated when the master $artist row is inflated.
o Column value inflation, e.g., using modules like DBIx::Class::InflateColumn::DateTime, is not performed. The returned hash contains
the raw database values.
perl v5.14.2 2011-05-10 DBIx::Class::ResultClass::HashRefInflator(3pm)