pad0

Name

pad0 : Add zeros to the beginning

Synopsis

Usage   : pad0 <f1.w1> <f2.w2> .. <file>

Option  : --ngthrough <str>

Version : Mon Jun  2 19:07:54 JST 2014

Description

Pads the specified fields in the specified file or standard input

with zeros to the specified number of digits.

Example 1

$ cat data

12 345 6789

$ pad0 1.5 2.6 data

00012 000345 6789

Example 2

If the content of specified field is same as the string of --ngthrough

option, the field is not padded.

$ pad0 --ngthrough 345 1.5 2.6 data

00012 345 6789

Example 3

Contiguous fields can be specified.

$ pad0 1.6/3.6 data

000012 000345 006789

Example 4

NF or NF-<n> can be used as field specifier.

$ pad0 NF-1.6 data

12 000345 6789

Important

1. The pad0 command does not look at the contents of the fields.

2. If the length of the field is already greater than the specified

   number of digits then that field is not processed.

3. The fields must be specified in ascending order.