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75 lines
2.8 KiB
75 lines
2.8 KiB
4 months ago
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Copyright (C) 2016 and later: Unicode, Inc. and others.
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License & terms of use: http://www.unicode.org/copyright.html
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Copyright (c) 2002-2005, International Business Machines Corporation and others. All Rights Reserved.
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ugrep: a sample program demonstrating the use of ICU regular expression API.
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usage: ugrep [options] pattern [file ...]
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--help Output a brief help message
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-n, --line-number Prefix each line of output with the line number within its input file.
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-V, --version Output the program version number
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The program searches for the specified regular expression in each of the
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specified files, and outputs each matching line.
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Input files are in the system default (locale dependent) encoding, unless they
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begin with a BOM, in which case they are assumed to be in the UTF encoding
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specified by the BOM. Program output is always in the system's default
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8 bit code page.
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Files:
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./ugrep.c source code for the sample
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./ugrep.sln Windows MSVC workspace. Double-click this to get started.
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./ugrep.vcproj Windows MSVC project file.
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./Makefile Makefile for Unixes. Needs gmake.
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To Build ugrep on Windows
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1. Install and build ICU
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2. In MSVC, open the workspace file icu\samples\ugrep\ugrep.sln
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3. Choose a Debug or Release build.
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4. Build.
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To Run on Windows
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1. Start a command shell window
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2. Add ICU's bin directory to the path, e.g.
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set PATH=c:\icu\bin;%PATH%
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(Use the path to where ever ICU is on your system.)
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3. cd into the ugrep directory, e.g.
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cd c:\icu\source\samples\ugrep\debug
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4. Run it
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ugrep ...
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To Build on Unixes
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1. Build ICU. Specify an ICU install directory when running configure,
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using the --prefix option. The steps to build ICU will look something
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like this:
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cd <icu directory>/source
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runConfigureICU <platform-name> --prefix <icu install directory> [other options]
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gmake all
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2. Install ICU,
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gmake install
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3. Build the sample
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Put the install directory containing icu-config on the $PATH.
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This will generally be <icu install directory>/bin
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cd <icu directory>/source/samples/ugrep
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gmake
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To Run on Unixes
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cd <icu directory>/source/samples/ugrep
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export LD_LIBRARY_PATH=<icu install directory>/lib:.:$LD_LIBRARY_PATH
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ugrep ...
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Note: The name of the LD_LIBRARY_PATH variable is different on some systems.
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If in doubt, run the sample using "gmake check", and note the name of
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the variable that is used there. LD_LIBRARY_PATH is the correct name
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for Linux and Solaris.
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