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4
votes
3answers
122 views

Compare two files with four columns

I have two csv files with some log information. I need to compare line to line the field1 (file1) with field2 (file2) with a range of 1 minute (-00:00:01 < time < 00:00:01) and the field5 ...
1
vote
2answers
114 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 ...
3
votes
1answer
256 views

zsh and COLUMNS

I cannot understand the behavior of the $COLUMNS variable under zsh. Here's an example of the sort of behavior I'm referring to. The script $HOME/cols.sh is the following: echo "COLUMNS=$COLUMNS" ...
0
votes
1answer
56 views

How do I center-align a column in UNIX?

I’m trying to center-align a column using the command column. The output should look like this: temperatures 50 12 89 63 How can I do this?