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Top Forums Shell Programming and Scripting [Solved] Question for Perderabo on date calc Post 302808431 by CleoBos on Thursday 16th of May 2013 05:27:14 PM
Old 05-16-2013
Quote:
Originally Posted by Yoda
Instead of modifying Perderabo's script, you can use printf formatting option to zero lpad:
Code:
$ ./datecalc -a 2003 10 01 - 1 | read y m d
$ printf "%d%02d%02d\n" $y $m $d
20030930


Yoda - Thanks for your prompt reply. But I am not sure if I understand correctly.

Can I use the printf command as an conjuction to Perderabo's script's output?

Basically, the reason why I am using Perderabo's script is to find out the date which is 21 days older than system date in the format of YYYYMMDD. I would really appreciate if there is an easier way to do so without using the Perderabo's script.

P.S. I am using KSH on AIX 6.1.
 

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script(1)						      General Commands Manual							 script(1)

NAME
script - Makes a transcript of terminal session SYNOPSIS
script [-a] [file] The script command makes a transcript of everything printed on your terminal. OPTIONS
Appends the transcript to file rather than writing it to file. OPERANDS
The name of an output file that will contain the transcript of the session. If this parameter is omitted, the file typescript is written. DESCRIPTION
The transcript is written to file, or appended to file if the -a option is given. If no file name is given, the transcript is saved in the file typescript. The script ends when the forked shell exits. This program is useful when you are using a CRT and want a hard-copy record of the dialog (for example, a technical writer might create an example of a working session this way). If you specify the -a option and the file does not exist, it is created. If you do not specify the -a option and the file exists, it is replaced. RESTRICTIONS
The script command requires a streams based terminal. In single user mode, streams may not be enabled. Under these circumstances, script will exit with no action. If you are the superuser and need to run this command in single user mode, use the following special instruc- tions. Enabling Streams If it is necessary to enable a streams environment in the single user mode, enter the command /sbin/init.d/streams. This command is avail- able to the superuser only. SEE ALSO
Commands: autopush(8), cat(1), echo(1), strsetup(8), tee(1) System Administration script(1)
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