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This package contains a reimplementation of getopt(1). |
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PREFACE |
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Getopt(1) is a program to help shell scripts parse command-line parameters. |
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It is for example included in the util-linux distribution (upto version |
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2.7.1). But, there are some problems with that getopt(1) implementation, |
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as listed in the 'BUGS' section of its man-page: |
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>BUGS |
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> Whatever getopt(3) has. |
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> |
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> Arguments containing white space or imbedded shell metacharacters gener- |
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> ally will not survive intact; this looks easy to fix but isn't. |
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> |
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> The error message for an invalid option is identified as coming from |
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> getopt rather than from the shell procedure containing the invocation of |
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> getopt; this again is hard to fix. |
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> |
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> The precise best way to use the set command to set the arguments without |
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> disrupting the value(s) of shell options varies from one shell version to |
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> another. |
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This implementation of getopt(1) is written to solve some of these problems, |
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while still staying (for all practical purposes) completely compatible with |
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other getopt(1) implementations. |
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INSTALLATION |
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Installation should be very easy. Just type 'make' to compile the sources. |
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It should compile cleanly, without any warnings, but even if it does not |
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you probably don't have to worry. You must use GNU Make and gcc, or you |
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will have to edit the Makefile. |
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Type 'make install' to install the binary and the manual page. It installs |
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by default in /usr/local/bin and /usr/local/man/man1, to install in /usr/bin |
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and /usr/man/man1 try 'make install prefix=/usr'. |
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The example files can be installed in /usr/local/lib/getopt by calling |
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'make install_doc'. |
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If you do not trust the getopt(3) in your libc, or if you do not use a libc |
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with the GNU getopt(3) routines, you can use the gnu sources as provided |
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in the gnu directory. Try 'make LIBCGETOPT=0'. Ignore any compile warnings. |
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You can check whether the new implementation of getopt is found first |
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in your path by calling 'bash test.bash'. |
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HIGHLIGHTS |
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It can do anything that the GNU getopt(3) routines can do. |
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It can cope with spaces and shell metacharacters within arguments. |
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It can parse long parameters. |
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It can shuffle parameters, so you can mix options and other parameters on |
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the command-line. |
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It can be easily identified as an enhanced getopt(1) from within shell scripts. |
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It can report parse errors as coming from the shell script. |
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It is fully compatible with other getopt(1) implementations. |
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COPYING |
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This program comes under the GNU general public licence version 2. See the |
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file COPYING included in this package. Note that though you may freely |
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copy it, it is copyright (c) 1997-2014 by Frodo Looijaard |
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<frodo@frodo.looijaard.name>. |
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Files in the gnu directory are from glibc-2.0.4: copyright (C) 1987, 88, |
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89, 90, 91, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc. |
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DOWNLOADING |
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You can find the latest version of this program at: |
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http://software.frodo.looijaard.name/getopt/ |
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