Assuming you are using a shell that accepts standard POSIX shell arithmetic expansions, and you want to wake up on the second (rather than just within a minute), or if you want intervals other than hours, you might also try:
By default, invoking this script without operands, it will sleep until the start of the next hour.
Invoking it with the operand 60, it will sleep until the start of the next minute.
And, invoking it with the operand 86400, it will sleep until midnight.
Hi,
I have some 2000 names in a table like below.
Java
Oracle/SQL
ANSI SQL
SQL,DWH,DB
DB&Java
And by using for loop in my code i am able to get a single word but if there is any special character or space then it is considering as a next line.
I have to execute the below queries in... (10 Replies)
I am looking for help in processing of those options: '-n' or '-p'
I understand what they do and how to use them.
But, I would like to use them with more than one file (and without any shell-loop; loading the 'perl' once.)
I did try it and -n works on 2 files.
Question is:
- is it possible to... (6 Replies)
Sed command to replace a line in a file using line number from the output of a pipe.
Is it possible to replace a whole line piped from someother command into a file at paritcular line...
here is some basic execution flow..
the line number is 412
lineNo=412
Now i have a line... (1 Reply)
here is what i want to achieve.. i have a file with below contents
cat fileName
blah blah blah
.
.DROP this
REJECT that
.
--sport 7800 -j REJECT --reject-with icmp-port-unreachable
--dport 7800 -j REJECT --reject-with icmp-port-unreachable
.
.
.
more blah blah blah
--dport 3306... (14 Replies)
my requirement is,
consider a file output
cat output
blah sdjfhjkd jsdfhjksdh
sdfs 23423 sdfsdf sdf"sdfsdf"sdfsdf"""""dsf
hellow there
this doesnt look good
et cetc etc
etcetera
i want to replace a line of line number 4 ("this doesnt look good") with some other line
... (3 Replies)
I have been trying this a lot of different ways and haven't found too much online. Here's what I've got so far:
j=0
declare -a first
zero=(`cat $tmpfile`)
for i in "${zero}"
do
command $i >> "${first}"
... (4 Replies)
Hello friends,
Only very recently i started learning sed command...an i found that sed is faster in finding the patterns than some of my scripts that uses grep to check the patten inside a file using line by line search method which is time consuming.
The below script... (4 Replies)