3
votes
2answers
148 views

Range of the command cut in unix

I'm trying to make a shell script, I want to cut a string using the 'cut' unix command, as follows: namecmpaux=$(echo $namecmp |cut -c0-19) But when I run the shell tells me the following error: ...
5
votes
5answers
109 views

A shell script to write selected fields to a single line

I have a log file trace.log which prints the time stamp, thread name and Transaction method and transaction ID as below. 2014-01-23 15:50:41,724 [catalina-exec-35] INFO TRANSACTION getConnection ...
1
vote
2answers
77 views

Split out data from a column

So at the moment I have some input email addresses and would like to separate the alias and the domain, then copy them to the end of the line. For example, from a line that has ...
0
votes
6answers
1k views

Using cut/awk/sed with two different delimiters

I have the following cases: case@test.com case_1_2@test.com case_1@test.com I'm trying to convert these to case@test.com case@test.com case@test.com So it should remove everything from ...
1
vote
2answers
5k views

Help understanding cut command in script

In a bash script, there are the following 2 lines: ipaddr=$0 segments=`echo $ipaddr | cut --delimiter=. --fields=2-3 --output-delimiter=/` I do not know how to interpret the second line where the ...
2
votes
2answers
256 views

Manipulating and saving multiple files

I have ~2k files that I want to extract 12 of 26 columns and save the extracted information into a new file. I have been doing this for individual files using cat "oldfile.csv" | grep -v "=" | cut ...