Unix Timer to use in shell script

Question

I want to run a shell scipr that prints out the top 50 lines of a number of files. After the head of each file is printed, I want the script to allow the user to view that content for 10 seconds before printing out the head of the next file. E.g

head -n 50 file1
wait 10 seconds
head -n 50 file2
wait 10 seconds

and so on...

Thanks in advance for any help

Rob · Accepted Answer · 2013-12-02 10:18:58Z

2

Try it like this:

for f in *
do
 head -n 50 $f
 sleep 10;
done

answered Dec 2, 2013 at 10:18

Rob

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Comments

eRIZ · Accepted Answer · 2013-12-02 10:17:22Z

0

Use sleep within an infinite loop.

answered Dec 2, 2013 at 10:17

eRIZ

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Comments

Sergey Fedorov · Accepted Answer · 2013-12-02 12:18:36Z

0

if you want to watch some output with $n seconds interval, use

watch -n $n <commands here>

answered Dec 2, 2013 at 12:18

Sergey Fedorov

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1 Comment

chepner Over a year ago

The OP wants to pause between viewing different files, not view the same file repeatedly.

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