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Thank you Mr. Scrutinizer.

Let me put what I was looking for and the nice solution.
THIS IS THE COMMON WAY.
# rightmatch value pattern

echo -e ${1%$2}
echo
rightmatch value pattern...

1. I am working on a small project in my job where we need to run a database for a small program in redhat but we need the home directory of every user, so since we don't want to make the changes...

Hi, Can somebody help me to know how to invert the positions of this construct?
${variable%pattern} to ${pattern%variable} for pattern matching positions.

Example 1
var=testcase
echo {var%e}...

Hi everybody. I am finishing this program but there is just one detail.
I need to define the number of files that have to be deleted in this way MAXFILES=3 ./program 1 2 3 4 if the...

Thank you very much for your help Mr. Scrutinizer. Your second comment was very helpful, I made the change and that works perfect. I would like to explain my idea behind the line that you mentioned....

Hello!. I am working on a very simple program and I have been trying different things. This is so far what I have done and there is one small detail that still does not work. It finds all the records...

Wow! this was very simple. Option 2) worked for me and I am sure that option 3) would work as well. Thank you very much Mr ctsgnb (https://www.unix.com/members/302085304.html).

I am trying to understand a program in a book and this program suppose to call other programs which are in the same folder, the other programs are called 'lu' and 'add' but for some reason when it...

Thank you very much guys. Happens that some times I want to reinvent the wheel. Thank you thank you.

Does any body can help me with a loop in this example?
if [ "$i" -eq 1 -a "$#" -ge 1 ]
then
if [ "$#" -ne 1 ]
then
runner=$(grep "$1" "$2")
runne=$(grep "$1" "$3")
...

I have a file with hundreds of records and I need to find those records that have three digits at the beginning and the same three digits at the end.

$GREP '\([a-z]\)\([a-z]\)\([a-z]\)\3\2\1'I

...

oh! no is not homework. Too late hu!? alright thanks I will post it in the other forum then.

yep, out of 25.

How to print the first and the third word of each line. Thanks for the help.