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sed '/^$/q' filename
Meaning: search for a line containing only begin (^) and end of line ($). Then quit (q).

You could be more precise in the usage of the `ps` command. Instead of using
ps -ef
(as everybody does) you might specify:
ps -e -o pid,comm,command
This would give you the pid, the short...

What is your problem exactly? Does the option "--timeout 2m" not work? If that is the case, the manual says:

-t, --timeout N
timeout after N seconds

So try "--timeout 120" . And if you...

Like this?

#!/usr/bin/ksh
for status in missing failed
do
for disk in `lspv | awk '{print $1}'`
do
for path in `lspath -l ${disk} -s ${status} -F "name parent path_id connection" |...

withdrawn

But sometimes one can do someting with nonportable options.
One example is the echo command. For ages I used echo \t\b\n to echo tab, bel or newline. But this does not work anymore in bash. If you...

apmcd47, I agree with most of your proposals, but the question of YouNicks was: ... to rm the contents of a directory without deleting the directory. So $DIR/* is not superfluous. So this line should...

find /home/test -name "*.testfile" -type f -exec rm -irf $(dirname {}) \;

Hello p1ne,
I would like to help you to make good scripts. But to do this I want you to think about the following questions:

what is the use of "for loops"? Why would one use them?
to how many...

Hello Mirwasim,
Your script is getting better.
Try this:

nawk 'BEGIN{print "<table border="1">"}
{print "<tr>";
print "<TD>";
for(i=1;i<NF;i++) printf("%s ", $i);
...

Dear Mirwasim,
You posted the input several times. But the output Corona and Rudy want to see is not so clear. Based on your script I guess you want this output:

<TABLE>
<TR>
<TD>fixed...

First: `man find` shows there are options for "UNUSUAL FILENAMES" (e.g. filenames with spaces).

-print0
True; print the full file name on the standard output, followed by a...

Scrutinizer is right when he says: "the assignment ( var=pattern* is the same as var="pattern*" )". It can be tested by adding quotes around the argument of echo:

abcversion=abc*
echo...

sed --in-place 's/0.00/#Missing/g' /app/hyp_app/files/*.csv

When you assign abcversion="abc*" then $abcversion will contain just "abc*". It will not be set to "abcga5" because the quotes prevent globbing.
In the next line you do:
echo $abcversion which...

why not use the join command to join files? The problem is it only can join on 1 field in each file (default the first field in each file). But after the first join it gets much easier.

$ join -t...