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readme.txt

      1 Copyright (C) 2016 and later: Unicode, Inc. and others.
      2 License & terms of use: http://www.unicode.org/copyright.html#License
      3 
      4 Copyright (c) 2002-2005, International Business Machines Corporation and others. All Rights Reserved.
      5 ugrep: a sample program demonstrating the use of ICU regular expression API.
      6 
      7 usage:   ugrep [options] pattern [file ...]
      8 
      9    --help                 Output a brief help message
     10    -n,  --line-number     Prefix each line of output with the line number within its input file.
     11    -V,  --version         Output the program version number
     12 
     13 
     14 The program searches for the specified regular expression in each of the
     15 specified files, and outputs each matching line.
     16 
     17 Input files are in the system default (locale dependent) encoding, unless they
     18 begin with a BOM, in which case they are assumed to be in the UTF encoding
     19 specified by the BOM.  Program output is always in the system's default
     20 8 bit code page.
     21 
     22    
     23 Files:
     24     ./ugrep.c                 source code for the sample
     25     ./ugrep.sln               Windows MSVC workspace.  Double-click this to get started.
     26     ./ugrep.vcproj            Windows MSVC project file.
     27     ./Makefile                Makefile for Unixes.  Needs gmake.
     28     
     29 
     30 To Build ugrep on Windows
     31     1.  Install and build ICU
     32     2.  In MSVC, open the workspace file icu\samples\ugrep\ugrep.sln
     33     3.  Choose a Debug or Release build.
     34     4.  Build.
     35 	
     36 To Run on Windows
     37     1.  Start a command shell window
     38     2.  Add ICU's bin directory to the path, e.g.
     39             set PATH=c:\icu\bin;%PATH%
     40         (Use the path to where ever ICU is on your system.)
     41     3.  cd into the ugrep directory, e.g.
     42             cd c:\icu\source\samples\ugrep\debug
     43     4.  Run it
     44             ugrep ...
     45      
     46 
     47 To Build on Unixes
     48     1.  Build ICU.  Specify an ICU install directory when running configure,
     49         using the --prefix option.  The steps to build ICU will look something
     50         like this:
     51            cd <icu directory>/source
     52            runConfigureICU <platform-name> --prefix <icu install directory> [other options]
     53            gmake all
     54            
     55     2.  Install ICU, 
     56            gmake install
     57            
     58     3.  Build the sample
     59            Put the install directory containing icu-config on the $PATH.  
     60                This will generally be <icu install directory>/bin
     61            cd <icu directory>/source/samples/ugrep
     62            gmake
     63            
     64  To Run on Unixes
     65            cd <icu directory>/source/samples/ugrep
     66            
     67            export LD_LIBRARY_PATH=<icu install directory>/lib:.:$LD_LIBRARY_PATH
     68            ugrep ...
     69            
     70            
     71  Note:  The name of the LD_LIBRARY_PATH variable is different on some systems.
     72         If in doubt, run the sample using "gmake check", and note the name of
     73         the variable that is used there.  LD_LIBRARY_PATH is the correct name
     74         for Linux and Solaris.
     75