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Hi Guys,

I have a file like below format

/my_dir/logs 2018-08-02 15:19:54 accepted connection from 10.140.75.239
/my_dir/logs 2018-08-02 15:19:56 authentication failed for id '123':...

I am getting below error

bash-3.2$ echo $input
nz
bash-3.2$ echo '@code_temp_table_$value_table'| sed -r "s/\@code/${input}/; /^(nz|sa)_/s/\\\$value_/\$value1_/"
sed: illegal option -- r...

Yes you are correct it should be |||| , and is there a generic way to replace the special characters apart from §, I mean if I get any other special character

Hi Guys,
I have a file which needs to be replaced with tab delimited


AA§Orgin Name§Mapping based on prod_usa§§§§
BB§Date§2019-08-11 23:30:01§§§§


I am trying below code


sed 's/[ -~...

I completely agree with your approach which handles all type of scenarios. Thanks guys for your help

I think its not getting sorted properly


{ read; echo $REPLY; sort -t"|" -k7bg; } </tmp/salary.txt
EMPNAME | SALARY | Q1 | Q2 | Q3 | Q4 | Avg Q | Expected Sal | Incremented Sal | Performance |...

Thanks a lot for your inputs, I would like to sort into descending order based one Avg Q while displaying the table

cat /tmp/salary.txt| sort -k 7


While using above code i am not able to sort...

Thanks for the inputs, In python is there a way to make it effective code or any other alternative approach

Agree to that, But would more keen on bash scripting for learning purpose

Thanks for your inputs, I am mainly looking for the same program to work on unix bash script. Can you able to help how i can achieve it instead of python code

Thanks Guys for your comments, I would like to know whether in unix bash script this can be done in efficient way. Can you guys help

Hi Guys,

I need to determine the employee performance and calculate their salaries based on each quarter

Expected output

enter the no. of Employee 2
2
Enter Employee Name sam
Enter...

I have to print the number of stars that increases on each line from the minimum number until it reaches the maximum number, and then decreases until it goes back to the minimum number. After...

Hi Don,

Its bash and Linux flavour,

for success scenario it will not return any exit because there will be scenario where daily and 25th will come in same time.

If the script_1.sh fails...

Let me explain you clearly. The expectation of script_1 - every month 25th it would run. Script_2 - every day and script_3 every quarterly month end. For eg. if script_1 fails due to any reason on...

Here is what i am trying


current_day=$(date +%e)
current_time=$(date +"%H:%M")
current_month=$(date +"%m")

if [ $current_day == 25 ] && [ $current_time == '10:00' ]
sh -x...

what if script_1.sh fails then if i rerun the main_script.sh it should run only script_1.sh . For eg script_1.sh fails on 25th and re-running on 26th in that case script_1.sh will not run and other...

I know its possible in crontab but can it be handled in script itslef like before trigerring each of the sub scripts

Hi Guys,

I am having a driving script which calls internally multiple scripts



sh main_script.sh > main_script.log

inside main_script.sh

sh -x script_1.sh

sh -x script_2.sh

sh...

Sorry to below example the lenght are fixed like
Country - will accept only 20 characters
id - 20 characters
role - 20 characters


country,id,role
Australia,1234,engineer...

Basically the text file have fixed length like country - 1-20,id 21-25,role - 26-30.
Country - will accept only 20 characters
id - 5 characters
role - 5 characters

Thanks don, Is there a way i can predine the columns length in shell, because here there are two columns. What if the columns are increased and the length needs to be defined accorindly instead of...

Hi All,

I have a csv file which is comma seperated. I need to convert to flat file with preferred column length


country,id
Australia,1234
Africa,12399999



Expected output

country...

Hi Guys,

I am having a script file where in getting input parameter as string. I need to assign the variable but not able to achieve


#!/bin/bash

input=$1

replace=string_$input_string2...

Is there a way to calculate the total file size of HDFS file directory in GB or MB? I dont want to use du/df command. Without that is there a way



HDFS
Directory - /test/my_dir