On Mon, Apr 04, 2005 at 10:38:57AM -0500, Ronald J Marchand wrote:
| "Bob Stockler" <bob@trebor.iglou.com> wrote in message
| news:20050404151525.GD6745@trebor.iglou.com...
| > On Mon, Apr 04, 2005 at 07:20:46AM -0700, pablo hernandez wrote:
| > |
| > | I want to "cat" one file , but shortening each line to maximum 70
| characters .
| > |
| > | I think this can be done with awk , but probably there is a easy way :
| >
| > awk '{print substr($0,1,70)}' infile >outfile
| >
| > Bob
|
| When logged in I see an environment variable COLUMNS set to 80. What is
| this used for?

That tells programs (examples: less and mutt) how wide your window
is. Right now I'm typing this in a 123 column wide ScoTerm window,
using mutt to reply, so I have COLUMNS set to 123.

Bob

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