Unix Tip: FTP AUTOMATED TRANSFERS

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3037 - May 31, 2010

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FTP AUTOMATED TRANSFERS

To add to the earlier tip on automated transfer using FTP, you can define a macro by name 'init' which will automate the whole transfer.

Defining the macro.

In the .netrc file after the definition for the machine name,add the following definition.

macdef init
bin
hash
cd <directory>
!cd <directory>
put/get <filename>
bye

The line begining with macdef starts the definition of a macro.All the sub sequent lines upto a blank line (or end of file) are part of the macro.

Now if you type ftp <machine name> at the prompt, the whole ftp will happen automatically.

These macros can also be defined in any other name in which case,you will have to type the macro name at the ftp prompt for its statements to get executed.

This tip generously supported by: subha@hitechclub.com

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ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

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Unix Tip: TRUE64 SENDING JOBS

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3033 - May 27, 2010

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TRUE64 SENDING JOBS

I use this script in tru64 unix -Alpha servers to send jobs to all printers.

#!/bin/ksh
# this script is sending
# the required printing
# job to all printers
# already configured in
# your system,

cat /etc/printcap|grep "|" |cut -f 1 -d "|" | while read line anything
do
echo " sending file $1 to printer $line "
echo " lpr -P$line " $1
sleep 1
echo " to stop printing, press ctrl+c"
clear
lpr -P$line $1
done

This tip generously supported by: shadia@dohms.gov.ae

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DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
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Unix Tip: USING PERL TO REVERSE

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UNIX GURU UNIVERSE UNIX HOT TIP

Unix Tip 3032 - May 26, 2010

http://www.ugu.com/sui/ugu/show?tip.today

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USING PERL TO REVERSE

Yet another file reversal (I don't know many apps that need this, though!):

perl -e 'print reverse <>' filename

This tip generously supported by: madhu@usa.alcatel.com

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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: GETTING RID OF ^M

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3031 - May 25, 2010

http://www.ugu.com/sui/ugu/show?tip.today

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GETTING RID OF ^M

How to get rid of ^M in text files using vi.

:1,$ s'^M''g

But how to get this '^M' in the command line:

Keep CTRL pressed and then press v and m

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DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: SPECIFIC REMOVALS

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3030 - May 24, 2010

http://www.ugu.com/sui/ugu/show?tip.today

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SPECIFIC REMOVALS

To remove every file in the folder that is not dated March:

rm ` ls -al | grep -v "Mar" | awk '{print $9}'`

Or a specific date in March:

rm ` ls -al | grep -v "Mar 28" | awk '{print $9}'`

Note: that this is a dangerous command to issue since it assumes that you are consciously using it on a directory which is full of files that are out of date or not belonging to March or whatever.

(If this is not the case you might get some undesirable results.)

The other thing is that you might want to keep more than one month's worth of files. You would then need to move the files from the other month out into a temporary subfolder while you "clean" the top folder. Then move them back in. Also, note that you have two types of single quote, the first and last are from the key under the escape key and the one that is used to delimit the awk print statement is the one next to the hash key. I have used this command myself regularly with a few extra pipes (to do certain specific things which are irrelevant here) in order to clean out subdirectories where the df is running at 100%! This has been a time-saver when I have had to log on to different servers around the world and do a regular purge.

THIS TIP IS NOT SUPPORT, UGU ADVICES TESTING BE FOR USING.

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DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================

Unix Tip: CHECKING FOR FILESYSTEMS FULL

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3029 - May 23, 2010

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CHECKING FOR FILESYSTEMS FULL

Many times we have a file systems which is too full.
To quickly find out which are the file system We could use:

df -k|awk '{if ( $4 >= 90 ) print $4," " $7 }'

Check the fields on your flavor, it may not be $4 or $7. Yours could be different.

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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
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Unix Tip: SORT BY FILE SIZE

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3232 - December 12, 2009

http://www.ugu.com/sui/ugu/show?tip.today

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SORT BY FILE SIZE

Sort a directory / certain files in a directory by file size (HP-UX):

===================== begin script =======================
#!/bin/ksh
# script Ls
# use 1 : Ls
# use 2 : Ls *
if [ -n "$*" ]
then
ls -1 -al $* | sort -nbk5
else
ls -al | sort -nbk5
fi
===================== end script =========================

This tip generously supported by: Marc.VanOosterwyck@vlafo.be

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==========================================================================
DISCLAIMER: All UNIX HOT TIPS ARE OWNED BY THE UNIX GURU UNIVERSE AND ARE
NOT TO BE SOLD, PRINTED OR USED WITHOUT THE WRITTEN CONSENT OF THE UNIX
GURU UNIVERSE. ALL TIPS ARE "USE AT YOUR OWN RISK". UGU ADVISES THAT
ALL TIPS BE TESTED IN A NON-PRODUCTION DEVELOPMENT ENVIRONMENT FIRST.

Unix Guru Universe - www.ugu.com - tips@ugu.com - Copyright 1994-2001
==========================================================================