Thank you very much for your help!I will try to learn it now!And you are right!The person who wrote this is completely insane!In three hours he taught us the grep,sort,tr and sed command(not cut)!I dont know how can i learn this code with 3 hours of lesson,because i see these things for first time!Anyway if i have any more questions i will post here to help me again
---------- Post updated at 03:28 AM ---------- Previous update was at 03:00 AM ----------
As i said before he didn't taught us the cut command and now i have to learn the code without cut
In this command how do i understand pulling out only the username and the uid?
As i know according to this
the username is on the first field and the uid on the third,but i can't understand nothing on this code!Could you explain it without the cut command?
Hi I am new to shell script programming...
want to know the process of the following:
if
then
echo "$0: missing argument for option(s) :$MISSINGOPTARG"
echo "usage" $USAGE"
exit 1
fi (1 Reply)
how does below tr command replace nonletters with newlines?
I think I understand tr -cs '\n' part.. but what is
A-Za-z\' <--- what is this??
tr -cs A-Za-z\' '\n' |
-c --complement
-s, --squeeze-repeats
replace each input sequence of a repeated character that is... (0 Replies)
Could someone give me a quick simple explanation for the AWK command.
And also help me to explain the code i have made. I have made some general comments about it myself. I was wondering if people could help me with the rest:
awk -F'' 'END {
fmt = "%-20s\t%s\t%s\n" ... (0 Replies)
Hi
I have a line/command which greps certain pattern () from the file and 22 lines AFTER that:
nawk '/\/{c=22}c&&c--' input_file
Can somebody explain the coding in this command (what " c&&c-- " does)? and how to modify this command to output 22 lines BEFORE this pattern () Thanks a lot ... (3 Replies)
I have the following piece of codes. Please explain it to me in great detail how are these codes working.
1. #include <stdio.h>
int main(){
int x;
x=0;
while (x<2 && fork()){
if (!fork()) execlp("echo","x++","x",0);
x++;
system("echo x+x");
}
}
2.
#include <stdio.h>
int i;... (1 Reply)
Its great someone provided this script that strips out a filename and extension but can someone explain how each line works?
file1='Jane Mid Doe.txt'
newfile='Jane.txt'
1) ext=${file1##*.}
2) filename=${file%%.???}
3) set -- $filename
4) newfile="1.$extension" (1 Reply)
Can you please explain the following code plz?
my_cd=' '
while getopts :e: OPTION;
do
case "$OPTION" in
e) my_cd ="$OPTARG";;
esac
done
if ; then
echo " >>> ERROR - I am wrong"
echo " >>> ERROR - Hello"
exit 99
fi
What I don't understand is what is OPTION or... (3 Replies)
Hi all,
I need your help in understanding the meaning and syntax of the below nawk line.
Here is an extract of a script which I use daily and works well. The script extracts the hostnames and messages within a syslog file. I would also like to extract the message time in the 3rd column by... (2 Replies)
1. I've been asked to provide a detailed description on how Minix's source code is organised. This may sound slightly simple, but what exactly am I to refer to when explaining? Any documents that would provide assistance to understand whats being asked? Thanks
2. Not applicable:
3.... (1 Reply)
Hi. Can somebody please explain the following lines of KSH code for me? The code checks all sub directories in a specific location which are numbered (E.g. test_01, test_02 ... etc.), then finds the one with highest number and extracts that number from the dir name into the variable num. I'd just... (9 Replies)
Discussion started by: user052009
9 Replies
LEARN ABOUT DEBIAN
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)