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Full Discussion: Help with diff command
Top Forums UNIX for Dummies Questions & Answers Help with diff command Post 302895494 by John K on Tuesday 1st of April 2014 05:02:23 AM
Old 04-01-2014
Thank You Subbeh.

Two questions:
1. What is the role of less than character in red below ?

2. What is the role of double pipe operater ?

Code:
$ diff <(sort a.txt) <(sort b.txt) || echo 'there is a difference'
1a2
> NETHERLANDS

 

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LEARN ABOUT CENTOS

ibus-table-createdb

IBUS-TABLE-CREATEDB(1)													    IBUS-TABLE-CREATEDB(1)

NAME

       ibus-table-createdb - create ibus-table database from table source

SYNOPSIS

       ibus-table-createdb  [  [ -n name ]  [ --name name ]  ]	[  [ -s source ]  [ --source source ]  ]  [  [ -e extra ]  [ --extra extra ]  ]  [
       [ -p pinyin ]  [ --pinyin pinyin ]  ]  [ -o ]  [ --no-create-index ]  [ -i ]  [ --create-index-only ]  [ -d ]  [ --debug ]

DESCRIPTION

       ibus-table-createdb creates a database for ibus-table from a source table.

OPTIONS

       This program follows the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is  included
       below.

       -n     database-file  specifies	the  file name for the binary database for the IME. The default is ''. If the file name of the database is
	      not specified, the file name of the source file before the first '.' will be appended with '.db' and that will be used as  the  file
	      name of the database.

       -s     source-file specifies the file which contains the source of the IME. The default is ''.

       -e     extra-words-file specifies the file name for the extra words for the IME. The default is ''.

       -p     pinyin-file specifies the source file for the pinyin. The default is '/usr/share/ibus-table/data/pinyin_table.txt.bz2'.

       -o     Do not create an index for a database (Only for distribution purposes, a normal user should not use this flag!)

       -i     Only  create  an	index  for  an	existing database. Specifying the file name of the binary database with the -n or --name option is
	      required when this option is used.

       -d     Print extra debug messages.

EXAMPLES

       ibus-table-createdb -n ipa-x-sampa.db -s ipa-x-sampa.txt
	      Create the binary database ``ipa-x-sampa.db'' from the source file ``ipa-x-sampa.txt''.

       ibus-table-createdb -i -n ipa-x-sampa.db
	      Create an index for the database ``ipa-x-sampa.db''.

AUTHOR

       This manual page was written by Mike FABIAN <mfabian@redhat.com>.

								   Apr 18, 2013 					    IBUS-TABLE-CREATEDB(1)
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