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No just something i need for a project.

I need a script to read the first 1000 characters of a text file regardless of how many lines it will span. So if my first line has 2000 characters i only want the first 1000 from this line, if my...

I get seq: command not found

I have a for loop and i pass in number of times i want to loop as argument to script.


I have attached a snippet of my script. Problem is this does not work, if I manually replace the...

How can I recursively list file permission including all subdirectories and save the result to a file. I also want to exclude certain file type. All I need is the UID and GID of each of the files.

How can I recursively list file permission including all subdirectories and save the result to a file. I also want to exclude certain file type such as *.log.
All I need is the UID and GID of...

Nice. Can you also do range so print columns 5 to 20.

---------- Post updated at 03:41 AM ---------- Previous update was at 03:14 AM ----------

Forgot that how do i print substring from each...

How can I print a section of each line in a text file. Eg

CODE1 XYR Test2 10319389
CODE2 XYR Test2 10319389
CODE3 XYR Test2 10319389
CODE4 XYR Test2 10319389
CODE5 XYR Test2 10319389
...

How do i run this in a script and assing it to a variable.

I try something like:

numVal=`awk '/COD1/&&++c==3{print NR}' infile`

And get the following error when running script
...

If i have text file how do i find the line with the nth occurance of a certain string, so in example below i want line number of 3rd occurance of COD1 which should be line 7

COD1
COD2
COD2...

If i have a file, how do i create a new file with say line x to y from the file i have. Eg. File1 has 100 line, i want File2 to have line 50-60 from File1

I am processing each line, so i need to need to do it another way

I have a script which read a file it does
while read -r line, then i echo line out
echo "$line"

Problem is the echo does not echo space and tabs at the end of each line. How do i get the end...

How can i print a future time, so i get current time by date "+%H:M" but how can i say add 20 minutes to the current time and display as I have just done for current time.

Thanks that works perfectly. Instead of echoing how can i write all the contents to a file.

CODE A_123
TEXT
TEXT
VAL 1,2,3
TEXT
CODE A_321
TEXT
TEXT
VAL 1,2,3
would become:

CODE A_123
TEXT
TEXT
VAL 1,5,2
TEXT
CODE A_321
TEXT
TEXT
VAL 5,6,7

I have a text file for which i need a script which does some fancy search and replace.
Basically i want to loop through each line, if i find an occurance of certain string format then i want to...