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Top Forums Shell Programming and Scripting Why do we use sort before compare ? Post 302257857 by yahyaaa on Thursday 13th of November 2008 08:06:51 AM
Old 11-13-2008
Yes you are right, but what if I rearrange the pages of my phone book in different order, I can still compare both of my phone books. Am I right ?

I will match my first line of my first book with all the pages of the second phone book even if they are not sorted.

ofcourse this doesn't work with diff or comm commands?

I hope that I made my point clearer...
 

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phones(4)							   File Formats 							 phones(4)

NAME
phones - remote host phone number database SYNOPSIS
/etc/phones DESCRIPTION
The file /etc/phones contains the system-wide private phone numbers for the tip(1) program. /etc/phones is normally unreadable, and so may contain privileged information. The format of /etc/phones is a series of lines of the form: <system-name>[ ]*<phone-number>. The system name is one of those defined in the remote(4) file and the phone number is constructed from [0123456789-=*%]. The `=' and `*' characters are indicators to the auto call units to pause and wait for a second dial tone (when going through an exchange). The `=' is required by the DF02-AC and the `*' is required by the BIZCOMP 1030. Comment lines are lines containing a `#' sign in the first column of the line. Only one phone number per line is permitted. However, if more than one line in the file contains the same system name tip(1) will attempt to dial each one in turn, until it establishes a connection. FILES
/etc/phones SEE ALSO
tip(1), remote(4) SunOS 5.11 14 Jan 1992 phones(4)
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