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I was responding to you ghostdog74. The example code you have given above will not store anything in the environment variable because no input is specified to the awk command.

Also, if you leave...

If you want to KISS it then the cat isn't required but the grep is if the file contains more lines than just the one starting with PAYSLOT:

payslot=`grep PAYSLOT $myfile | awk -F"=" '{print $NF}'`...

You could sort the files on the first key and then with each segment of the sorted file containing lines where the first key is the same you must sort on the second key.

One long-winded way of...

Close but no cigar; as the man page says "all other special characters, including '\', lose their special significance within a bracket expression".

So, it should match all lines except those that...

This means you do not have a file called bash in the directory /bin.

Do you have bash on your system?

Actually, the ^M suggests that the file has passed through a windoze system at some point....

The numeric "for" loop is bash shell syntax that is not available in the Bourne shell. You have a bash shell script. To execute it make it executable (with "chmod +x Install.sh") and then run it...

Hmm, but that is not very flexible, imagine the next problem being to remove the first 43 characters. How about:
echo "123456789ABC" | cut -c11-

Here's something to start you off:
awk '/href/ {for (i=1; i<=NF; i++) {if ($i ~ /^href/) {print $i}}}' *.html

Take that, extend it, come back for help when you can show you've made some sort of...

I'm sorry I can't help with the N_GROUPS_MAX question. That parameter is a limit to the number of groups of which a user can be a member. I believe your original question quoted above is about the...

If your current working directory is:

/abc1/abc2/abc3

and you want it to be /mnl1/mnl2/mnl3 then enter the command

cd /mnl1/mnl2/mnl3

This bit of your question "by some coding within a...

Maybe you are confused by the fact that if you put a cd command into a file and then execute the file your working directory doesn't change.

This is because the script is executing in a subshell...