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Thank you for the well though out explanation, I really appreciate you taking the time to write it. As someone who only dabbles in Linux very occasional it can get very daunting :)

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Thank you, it's good to know the best practice. It's interesting that there is an error when using DASH, but no error when using BASH.

I wonder why systems don't link /bin/sh to BASH rather than...

As I said, it's great to learn new things :)

Thank you, the script now runs without errors, and even better, I understand why!

Hmmmmm, there is a space before the #!



-rwxr-xr-x 1 root root 813992 Sep 26 06:55 /bin/bash
-rwxr-xr-x 1 root root 88340 Mar 30 2012 /bin/dash
lrwxrwxrwx 1 root root 4 Sep 26 06:55...

Direct from the command line eg. "sudo ./ip full"

/bin/sh points to dash.

This is a default raspbian system, running on a raspbery pi. I haven't changed anything really, and /bin/bash is not a symlink so it "should" be running correctly I guess?...

Well look at that, no more errors!

Thank you very much sea, I'll complete full testing once the POS is online and post up how I go.

Thank you everyone for your help, I really appreciate it.

OK well that has made a huge difference, I can't test 100% until the POS is back online but it appears to have fixed most of the problem. Now when I run the script I do not see the error any more...

I just gave that a try and no difference unfortunately.

I edited the script using nano. The text above I ran through notepad to remove passwords before posting it here so maybe notepad has messed up the text?

Actually thinking about it, I may have...

Hi everyone,

I have been using a shell script for the last 6 months to copy a database from a POS system, then analyse the database and print the current sales total. This has worked flawlessly,...

If you want to learn about networking, I would strongly suggest setting up a virtual lab and playing around with the devices. Have a look at Cisco Modeling Labs:

Cisco Modeling Labs - Cisco...

Like Jim says, the main purpose would be security enforcement. It is very typical for an application to make use of a web server, an application server, and a database server. The Web server is...

I believe that DLNA uses Multicast to advertise itself, so depending on the router you are using you may be able to configure something like IGMP to enable multicast routing.

I guess the first question is why in the world would you connect a cable between the WAN and LAN port?

At a guess I would say yes, the DHCP Daemon would certainly respond to DHCP Discover requests...

Firstly, if I sounded dismissive I certainly did not intend my post to appear so, I genuinely appreciate people sharing their experience freely with novices like myself. So Chubler_XL if my post came...

Thanks, but I think you missed the point of my post. I need to convert the date that is contained in the file, in to a day of the week. I do not need to know the current day of the week according to...

Thank you very much for your help guys.

I've been playing around with a way to get this done with a "while read line" approach:

#!/bin/bash

while read line
do
DOW=`awk '{print $1}'`
...

Hi everyone,

I have a shell script that merges many files down in to one, then removes unwanted lines, that part is working fine:

#!/bin/bash
FILES=/home/pi/temp/qbd/*
for f in $FILES
do
...

You sir, are a GENIUS!!!!!

Those 2 small letter made all the difference, and it now works. I can not thank you enough.

I still can not understand why on earth the script would work on local...

Hi everyone,

I'm trying to write my first ever shell script, the OS is Raspbian. The code I have written must be executed whenever a certain database has been modified. The database resides on a...