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Re: [Help-bash] have the same column L
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From: |
Seth David Schoen |
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Subject: |
Re: [Help-bash] have the same column L |
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Date: |
Thu, 13 Jul 2017 18:39:52 -0700 |
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User-agent: |
Mutt/1.5.24 (2015-08-30) |
Val Krem writes:
> Hi all,
>
> How can I starndarzied string column to have the same column length for each
> row.
>
> Example
> filename
>
> A135953
> D10036050
> C135858000
>
> I want add leading zeros and the column length should be 10
I'm not sure if this is GNU sed-specific, but you could use
sed -r ':x; /^.{,9}$/ s/^/0/; tx'
--
Seth David Schoen <address@hidden> | No haiku patents
http://www.loyalty.org/~schoen/ | means I've no incentive to
8F08B027A5DB06ECF993B4660FD4F0CD2B11D2F9 | -- Don Marti