I am checking whether each line is having "n" number of commas or nor. In case not then I need to exit the process.
I tried
It's working fine. However the number of records in the file is around .5 million. So it's taking too much time to process it. Anyway I can improve the performance?
Hi there,
I'm wanting to produce a shell script that will check through some file names and identify a skip in sequence (four digit seq num in file name).
I have played on the idea of havng a file that has a sorted list of file names which I can read line at a time and cut out the sequence... (1 Reply)
Hello, I need help in appending the line number of each line to the file and also to get the total number of lines. Can somebody please help me.
I have a file say:
abc
def
ccc
ddd
ffff
The output should be:
Instance1=abc
Instance2=def
Instance3=ccc
Instance4=ddd
Instance5=ffff
... (2 Replies)
Hi,
I have a huge file & I want to add a specific text in column. But I want to add this text from a specific line number to a specific line number & another text in to another range of line numbers.
To be more specific: lets say my file has 1000 lines & 4 Columns. I want to add text "Hello"... (2 Replies)
Hi Everybody,
I am trying to write a script that will get some perticuler data from a file and redirect to a file.
My Question is,
I have a Very huge file,In that file I have my required data is started from 25th line and it will ends in 100th line.
I know the line numbers, I need to get all... (9 Replies)
Hi,
Newbie here. I have a file that consists of data that I want to convert to a csv file. For example:
Jul 20 2008 1111 / visit home / BlackBerry8830/4.2.2 Profile/MIDP-2.0 Configuration/CLOC-1.1 VendorID/105
Jul 21 2008 22222 / add friend / BlackBerry8830/4.2.2 Profile/MIDP-2.0... (3 Replies)
Hi all,
I am having problems counting commas (,) from a variable in shell scripting..
the variable contains similiar to: ID@NAME@DESCRIPTION,ID@NAME@DESCRIPTION, .....
It can go on and on..
So i need to count the number of sets i.e.( ID@NAME@DESCRIPTION is one set) and process the... (4 Replies)
Hello Everyone.
I am trying to display contains of a file from a specific line to a specific line(let say, from line number 3 to line number 5). For this I got the shell script as shown below:
if ; then
if ; then
tail +$1 $3 | head -n $2
else
... (5 Replies)
ok im trying to find out how many cars a user enters. Its giving me an error message of "integer expression expected"
Basically if i enter any number over 0 (zero) it should continue
read -p "How many cars:" carsn
test $cars -ge 1
test $? -ne 0 && read -p "Invalid number.... (8 Replies)
Hello everyone,
I don't really know anything about scripting, but I have to manage to make this script, out of necessity.
#!/bin/bash
while read -r line; do #I'm reading from a big wordlist
instructions using $line
done
Is there a way to automatically write the $line number the script... (4 Replies)
Hello everyone,
I am manipulating a large CSV file and am trying to read it into a program and started running into trouble. The have manually edited the file trying to make it correctly run through the program and have made progress. However, I am know stuck with an issue involving too many... (3 Replies)