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The if statement:

is incorrect. It should have been:
if [[ $psup -gt 0 ]](without the trailing semicolon)

What you did was execute the command "1" (which was the value of the variable psup) in...

This awk script will (almost) do what you need:
BEGIN { FS = OFS = ","; }
NR == 1 { print; next; }
{ f = $1 FS $2 FS $3; if (m[f] < $4) { m[f] = $4; } }
END { for (f in m) { print f, m[f]; }...

The range expression of awk
The pattern1, pattern2 form of an expression is called a range pattern. It matches all input records starting with a record that matches pattern1, and continuing until...

Hi there.

You wrote:

I made a poor assumption that HP-UX 11 was more similar to a linux system, where find does have a -print0 option. But since you are running a system-V unix, you can use:...

I have to admit some puzzlement from:

This will run grep on every file and directory found - one at a time. Also, the output of these greps is then piped to -exec, which I am pretty sure does not...

I thought so as well, but the linux version of find has path as an optional argument. A bit of a surprise to me.

For this, I would use split:
cat f1 f2 f3 ... | split -b 1GB - merged.This will merge you files and generate 1GB files named merged.aa, merged.ab, merged.ac, etc. Each merged.xx file, except for...

I am not sure why find is not passing in the path to the file. You can check what is being exec'ed with:
find -type f -name "*.mp3" -exec echo eyeD3 --add-image=cover.jpg:FRONT_COVER {} \;
Now if...

I do apologize, I skipped right over the 'XQuery' requirement.

Since you are a self-professed "newbie", I will add commentary to the script.
#! /bin/bash

NAME=$(basename ${0})

declare -A extlist
...

There are several ways to do this:
for a in $(seq 1 10); do
echo $a
done
or
a=0
while [[ ${a} -le 10 ]]; do
a=$(expr ${a} + 1)
done
or
a=0
while [[ ${a} -le 10 ]]; do
(( a =...

Have you tried something like:
echo kill `ps -ef |grep test.sh| grep -v grep`to see what arguments you are passing to kill.
Or even sh -x badscript?

If I would have to guess ... you are running...

Simply:
ls Projects/S*/MP(assuming there is only S1, S2, ... S20 in Projects)

If there are others, then:
ls Projects/S{{,1}{1,2,3,4,5,6,7,8,9},{1,2}0}/MP(assuming bash or csh)
or even:
ls...

If you can run su - dummy, run alias to get the list of aliases. If this is some sort of shell function, you might have to look at dummy's profile files.

IMHO, this is perfectly fine. I would have done a few things differently

not source ~/.profile, this script inheirits your enviornment
use variables for the files
not save the results in...

Use the path to sshX in the argument to the -c option. If you need to find it:

su - dummy
which sshX

Best is subjective :), but I would use awk:

{ $2 += 0; } # force numeric comparisions
$1 == "nFaces" { n = $2; }
$1 == "startFace" { if (startFace < $2) { nFaces = n;...

su - dummy -c 'sshX -n dummy "ls -ltr"' > ${HOME}/tmp
This will save the output of the command as file in the current user's home directory.

Since you can run ssh, can you add the local user's...

I have no idea what you are trying to do. What is being indexed? Please give a verbal description of your process, or something.

Use capital letters in the replacement text.

$ sed -e 's/^.*SMB_[12][0-9]\([0-9][0-9][0-9][0-9][0-9][0-9]\)_.*/mv & TCAPMI_CatastropheLog_G\1_V6.csv/' filelist | sh -x
+ mv MSIRP_CatastropheLog_Data_Extract_-_TCAPMI_SMB_20111116_040028.txt...

join might do what you need. Now to make it clearer, I changed file1 to:

A 1
B 2
C 3
So with join, you get:
$[b] join -j 2 file1 file2
1 A 7
2 B 9
3 C 10
You can use awk, sed, cut, or...

I think something like:
xargs listoclients | rsync syncargsmight do what you want.

The problem is the split.
Taking a section of your code (in blue), and printing out the arguments to timelocal:

my $beginning = 'Fri Oct 6 05:54:09 2007';
my @b = split(/[:\s]/, $beginning);
...

0936 - 09C1 is

egrep '09(3[6-9A-F]|[4-9AB][0-9A-F]|C[01])$'

(assuming hexidecimal data)