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Great. I never thought it is so simple !!!

It works !!!

Thanks

Great. It worked. But a small issue again. If the input line has one or more blanks in between they are converted to single blank and if at the end of teh line they are truncated.

Naturally...

In the earlier mail I described that only.

Input file is


001 123 456 789 x
002 This is just a x
001 test data x
003 file. x
11111111112
12345678901234567890

...

That's what. It runs but it does not change the output (i.e. 5th and 6th columns are not becoming blank


Server:cat ~/a.txt
001 123 456 789 x
002 This is just a x
001 test data x
003...

Yes, I tried nawk. Now it does not give error but not desired result. Columns do not become blank.I even tried to change columns 3 and 4 to 5 and 6.

I meant position 5 and 6.

I tried your command. Unfortunately it gives error


awk: syntax error near line 1
awk: bailing out near line 1

It is type. It should be 001 in code

I have a test file a.txt


001 123 456 789
002 This is just a
001 test data
003 file.


I want to clear columns 5 and 6 if the first 3 characters are 001 using awk.

I tried following but...