I want to create a conditional expression string and pass in an awk script. My script is as below...
Code:
comm="\$3 == "hello""
awk -F "^T" -v command="${comm}" ' {
if ( command ) { print "hye" }
}' test
But the statement "if ( command )" always evaluates to true which is not correct. I want to know the correct way of executing this statement..
On Running...
I have a txt file like below:
testin.txt
AB
BC
CD
DE
I have the following awk script
BEGIN {flag1="N"}
/(AB)|(BC)|(CD)|(DE)/ {flag1="Y"}
END {print flag1}
>awk -f testin.awk testin.txt
Returns
Y (8 Replies)
Hello world,
I was wondering if there is a nicer way to write the following code (in AWK):
awk '
FNR==NR&&$1~/^m$/{tok1=1}
FNR==NR&&$1~/^m10$/{tok1=1}
' my_file
In fact, it looks for m2, m4, m6, m8 and m10 and then return a positive flag. The problem is how to define 10 thanks... (3 Replies)
Hi,
I am trying to do evaluate one numerical string after substitution.
++++++++++++++++==
What I have = "7.04+2.3Xlog(0.72e-6X1.0e6)X1.9596"
What I need = evaluate 7.04+2.3*log(0.72e-6*1.0e6)*1.9596 = 5.55941
what I am doing;
echo "7.04+2.3Xlog(0.72e-6X1.0e6)X1.9596" | awk... (2 Replies)
I have the following simplified code that I am planning on putting into a larger shell script. I have been butchering it to try and make work amongst google searches and reading awk documentation.
amixer sset Master toggle | awk '{ if ( /^ Front Left/ { print $7 } == // ) print "MUTED" }'I... (2 Replies)
Hi,
Could somebody help me in understanding the following awk expression:
awk -v n="POINT" '/%/{print $0 "\n" n ;next}1' < file name
Thanks,
Arun (6 Replies)
Hello,
I have big files which I wanna filter them based on first column.
first column should be one of these strings: chr2L || chr2R || chr3L || chr3R || chr4 || chrX
and something like chr2Lh or chrY or chrM3L is not accepted.
I used the following command:
awk '{ if ($1=="chr2L" ||... (5 Replies)
Hi All,
I have a doubt in awk print exp.
Where in some awk commands have seen a digit 1 appended at the end of the awk ,didnt remember the command .
like ..
cat file |awk '{print }1'
Could some one help in understanding these cases where we use them.
Regards,
Ganesh, (2 Replies)
I am trying to write a simple function to select values from a database and assign them to variables. It can have any number of arguments sent into it, and I want to assign the value retrieved to a different variable name for each argument sent in. So my code looks something like this:
... (6 Replies)
I have to display only those subscribers which are in "unconnected state" and the date is 90 days older than today's date.
Below command is used for this purpose:
cat vfsubscriber_20170817.csv | sed -e 's/^"//' -e '1d' | \
nawk -F '",' '{if ( (substr($11,2,4) == 2017) && ( substr($11,2,8)... (1 Reply)
Discussion started by: dia
1 Replies
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prophet::test
Prophet::Test(3pm) User Contributed Perl Documentation Prophet::Test(3pm)
set_editor($code)
Sets the subroutine that Prophet should use instead of "Prophet::CLI::Command::edit_text" (as this routine invokes an interactive editor)
to $code.
set_editor_script SCRIPT
Sets the editor that Proc::InvokeEditor uses.
This should be a non-interactive script found in t/scripts.
import_extra($class, $args)
in_gladiator($code)
Run the given code using Devel::Gladiator.
repo_path_for($username)
Returns a path on disk for where $username's replica is stored.
repo_uri_for($username)
Returns a file:// URI for $USERNAME'S replica (with the correct replica type prefix).
replica_uuid
Returns the UUID of the test replica.
database_uuid
Returns the UUID of the test database.
replica_last_rev
Returns the sequence number of the last change in the test replica.
as_user($username, $coderef)
Run this code block as $username. This routine sets up the %ENV hash so that when we go looking for a repository, we get the user's repo.
replica_uuid_for($username)
Returns the UUID of the given user's test replica.
database_uuid_for($username)
Returns the UUID of the given user's test database.
ok_added_revisions( { CODE }, $numbers_of_new_revisions, $msg)
Checks that the given code block adds the given number of changes to the test replica. $msg is optional and will be printed with the test
if given.
serialize_conflict($conflict_obj)
Returns a simple, serialized version of a Prophet::Conflict object suitable for comparison in tests.
The serialized version is a hash reference containing the following keys:
meta => { original_source_uuid => 'source_replica_uuid' }
records => { 'record_uuid' =>
{ change_type => 'type',
props => { propchange_name => { source_old => 'old_val',
source_new => 'new_val',
target_old => 'target_val',
}
}
},
'another_record_uuid' =>
{ change_type => 'type',
props => { propchange_name => { source_old => 'old_val',
source_new => 'new_val',
target_old => 'target_val',
}
}
},
}
serialize_changeset($changeset_obj)
Returns a simple, serialized version of a Prophet::ChangeSet object suitable for comparison in tests (a hash).
run_command($command, @args)
Run the given command with (optionally) the given args using a new Prophet::CLI object. Returns the standard output of that command in
scalar form or, in array context, the STDOUT in scalar form *and* the STDERR in scalar form.
Examples:
run_command('create', '--type=Foo');
load_record($type, $uuid)
Loads and returns a record object for the record with the given type and uuid.
as_alice CODE, as_bob CODE, as_charlie CODE, as_david CODE
Runs CODE as alice, bob, charlie or david.
perl v5.10.1 2009-09-02 Prophet::Test(3pm)