README revision 191930
160786Sps 2191930Sdelphij Less, version 429 360786Sps 4191930Sdelphij This is the distribution of less, version 429, released 11 Apr 2009. 560786Sps This program is part of the GNU project (http://www.gnu.org). 660786Sps 760786Sps This program is free software. You may redistribute it and/or 860786Sps modify it under the terms of either: 960786Sps 1060786Sps 1. The GNU General Public License, as published by the Free 11191930Sdelphij Software Foundation; either version 3, or (at your option) any 1260786Sps later version. A copy of this license is in the file COPYING. 1360786Sps or 1460786Sps 2. The Less License, in the file LICENSE. 1560786Sps 1689019Sps Please report any problems to bug-less@gnu.org or markn@greenwoodsoftware.com. 1789019Sps See http://www.greenwoodsoftware.com/less for the latest info. 1860786Sps 1960786Sps========================================================================= 2060786Sps 2160786SpsThis is the distribution of "less", a paginator similar to "more" or "pg". 2260786Sps 2360786SpsThe formatted manual page is in less.man. 2460786SpsThe manual page nroff source is in less.nro. 2560786SpsMajor changes made since the last posted version are in NEWS. 2660786Sps 2760786Sps======================================================================= 2860786SpsINSTALLATION (Unix systems only): 2960786Sps 3060786Sps1. Move the distributed source to its own directory and unpack it, 3160786Sps if you have not already done so. 3260786Sps 3360786Sps2. Type "sh configure". 3460786Sps This will generate a Makefile and a defines.h. 3560786Sps Warning: if you have a GNU sed, make sure it is version 2.05 or later. 3660786Sps 3760786Sps The file INSTALL describes the usage of the configure program in 3860786Sps general. In addition, these options to configure are supported: 3960786Sps 4060786Sps --with-editor=program 4160786Sps Specifies the default editor program used by the "v" command. 4260786Sps The default is "vi". 43170256Sdelphij 4460786Sps --with-regex=lib 4560786Sps Specifies the regular expression library used by less for pattern 4660786Sps matching. The default is "auto", which means the configure program 4760786Sps finds a regular expression library automatically. Other values are: 4860786Sps posix Use the POSIX-compatible regcomp. 4960786Sps pcre Use the PCRE library. 5060786Sps regcmp Use the regcmp library. 5160786Sps re_comp Use the re_comp library. 5260786Sps regcomp Use the V8-compatible regcomp. 5360786Sps regcomp-local Use Henry Spencer's V8-compatible regcomp 5460786Sps (source is supplied with less). 55161475Sdelphij --with-secure 56161475Sdelphij Builds a "secure" version of less, with some features disabled 57161475Sdelphij to prevent users from viewing other files, accessing shell 58161475Sdelphij commands, etc. 5960786Sps 60170256Sdelphij 6160786Sps3. It is a good idea to look over the generated Makefile and defines.h 6260786Sps and make sure they look ok. If you know of any peculiarities of 6360786Sps your system that configure might not have detected, you may fix the 6460786Sps Makefile now. Take particular notice of the list of "terminal" 6560786Sps libraries in the LIBS definition in the Makefile; these may need 6660786Sps to be edited. The terminal libraries will be some subset of 6760786Sps -lncurses -lcurses -ltermcap -ltermlib 6860786Sps 6960786Sps If you wish, you may edit defines.h to remove some optional features. 7060786Sps If you choose not to include some features in your version, you may 7160786Sps wish to edit the manual page "less.nro" and the help page "less.hlp" 7260786Sps to remove the descriptions of the features which you are removing. 7360786Sps If you edit less.hlp, you should run "make -f Makefile.aut help.c". 7460786Sps 7560786Sps4. Type "make" and watch the fun. 7660786Sps 7760786Sps5. If the make succeeds, it will generate the programs "less", 7860786Sps "lesskey" and "lessecho" in your current directory. Test the 7960786Sps generated programs. 8060786Sps 8160786Sps6. When satisfied that it works, if you wish to install it 8260786Sps in a public place, type "make install". 8360786Sps 8460786Sps The default install destinations are: 8560786Sps Executables (less, lesskey, lessecho) in /usr/local/bin 8660786Sps Documentation (less.nro, lesskey.nro) in /usr/local/man/man1 8760786Sps If you want to install any of these files elsewhere, define 8860786Sps bindir and/or mandir to the appropriate directories. 8960786Sps 9060786SpsIf you have any problems building or running "less", suggestions, 9189019Spscomplaints, etc., you may mail to the author at markn@greenwoodsoftware.com. 9260786Sps 9360786SpsNote to hackers: comments noting possible improvements are enclosed 9460786Spsin double curly brackets {{ like this }}. 9560786Sps 9660786Sps 9760786Sps 9860786Sps======================================================================= 9960786SpsINSTALLATION (MS-DOS systems only, 10060786Sps with Microsoft C, Borland C, or DJGPP) 10160786Sps 10260786Sps1. Move the distributed source to its own directory. 10360786Sps Depending on your compiler, you may need to convert the source 10460786Sps to have CR-LF rather than LF as line terminators. 10560786Sps 10663128Sps2. If you are using Microsoft C, rename MAKEFILE.DSU to MAKEFILE. 10760786Sps If you are using Borland C, rename MAKEFILE.DSB to MAKEFILE. 10860786Sps If you are using DJGPP, rename MAKEFILE.DSG to MAKEFILE. 10960786Sps 11060786Sps3. Look at MAKEFILE to make sure that the definitions for CC and LIBDIR 11160786Sps are correct. CC should be the name of your C compiler and 11260786Sps LIBDIR should be the directory where the C libraries reside (for 11360786Sps Microsoft C only). If these definitions need to be changed, you can 11460786Sps either modify the definitions directly in MAKEFILE, or set your 11560786Sps environment variables CC and/or LIBDIR to override the definitions 11660786Sps in MAKEFILE. 11760786Sps 11860786Sps4. If you wish, you may edit DEFINES.DS to remove some optional features. 11960786Sps If you choose not to include some features in your version, you may 12060786Sps wish to edit the manual page LESS.MAN and the help page HELP.C 12160786Sps to remove the descriptions of the features which you are removing. 12260786Sps 12360786Sps5. Run your "make" program and watch the fun. 12460786Sps If your "make" requires a flag to import environment variables, 12560786Sps you should use that flag. 12660786Sps If your compiler runs out of memory, try running "make -n >cmds.bat" 12760786Sps and then run cmds.bat. 12860786Sps 12960786Sps6. If the make succeeds, it will generate the programs "LESS.EXE" and 13060786Sps "LESSKEY.EXE" in your current directory. Test the generated programs. 13160786Sps 13260786Sps7. When satisfied that it works, you may wish to install LESS.EXE and 13360786Sps LESSKEY.EXE in a directory which is included in your PATH. 13460786Sps 13560786Sps 13660786Sps 13760786Sps======================================================================= 13860786SpsINSTALLATION (Windows-95, Windows-98 and Windows-NT systems only, 13960786Sps with Borland C or Microsoft Visual C++) 14060786Sps 14160786Sps1. Move the distributed source to its own directory. 14260786Sps 14360786Sps2. If you are using Borland C, rename Makefile.wnb to Makefile. 14460786Sps If you are using Microsoft Visual C++, rename Makefile.wnm to Makefile. 14560786Sps 14660786Sps3. Check the Makefile to make sure the definitions look ok. 14760786Sps 14860786Sps4. If you wish, you may edit defines.wn to remove some optional features. 14960786Sps If you choose not to include some features in your version, you may 15060786Sps wish to edit the manual page less.man and the help page help.c 15160786Sps to remove the descriptions of the features which you are removing. 15260786Sps 15360786Sps5. Type "make" and watch the fun. 15460786Sps 15560786Sps6. If the make succeeds, it will generate the programs "less.exe" and 15660786Sps "lesskey.exe" in your current directory. Test the generated programs. 15760786Sps 15860786Sps7. When satisfied that it works, if you wish to install it 15960786Sps in a public place, type "make install". 16060786Sps See step 6 of the Unix installation instructions for details 16160786Sps on how to change the default installation directories. 16260786Sps 16360786Sps 16460786Sps 16560786Sps======================================================================= 16660786SpsINSTALLATION (OS/2 systems only, 16760786Sps with EMX C) 16860786Sps 16960786Sps1. Move the distributed source to its own directory. 17060786Sps 17160786Sps2. Rename Makefile.o2e to Makefile. 17260786Sps 17360786Sps3. Check the Makefile to make sure the definitions look ok. 17460786Sps 17560786Sps4. If you wish, you may edit defines.o2 to remove some optional features. 17660786Sps If you choose not to include some features in your version, you may 17760786Sps wish to edit the manual page less.man and the help page help.c 17860786Sps to remove the descriptions of the features which you are removing. 17960786Sps 18060786Sps5. Type "make" and watch the fun. 18160786Sps 18260786Sps6. If the make succeeds, it will generate the programs "less.exe" and 18360786Sps "lesskey.exe" in your current directory. Test the generated programs. 18460786Sps 18560786Sps7. Make sure you have the emx runtime installed. You need the emx DLLs 18660786Sps emx.dll and emxlibcs.dll and also the termcap database, termcap.dat. 18760786Sps Make sure you have termcap.dat either in the default location or 18860786Sps somewhere in a directory listed in the PATH or INIT environment 18960786Sps variables. 19060786Sps 19189019Sps8. When satisfied that it works, you may wish to install less.exe, 19289019Sps lesskey.exe and scrsize.exe in a directory which is included in 19389019Sps your PATH. scrsize.exe is required only if you use a terminal 19489019Sps emulator such as xterm or rxvt. 19560786Sps 19660786Sps 19760786Sps 19860786Sps======================================================================= 19960786SpsINSTALLATION (OS-9 systems only, 20060786Sps with Microware C or Ultra C) 20160786Sps 20260786Sps1. Move the distributed source to its own directory. 20360786Sps 20460786Sps2. If you are using Microware C, rename Makefile.o9c to Makefile. 20560786Sps If you are using Ultra C, rename Makefile.o9u to Makefile. 20660786Sps 20760786Sps3. Check the Makefile to make sure the definitions look ok. 20860786Sps 20960786Sps4. If you wish, you may edit defines.o9 to remove some optional features. 21060786Sps If you choose not to include some features in your version, you may 21160786Sps wish to edit the manual page less.man and the help page help.c 21260786Sps to remove the descriptions of the features which you are removing. 21360786Sps 21460786Sps5. Type "dmake" and watch the fun. 21560786Sps The standard OS-9 "make" will probably not work. If you don't 21660786Sps have dmake, you can get a copy from os9archive.rtsi.com. 21760786Sps 21860786Sps6. If the make succeeds, it will generate the programs "less" and 21960786Sps "lesskey" in your current directory. Test the generated programs. 22060786Sps 22160786Sps7. When satisfied that it works, if you wish to install it 22260786Sps in a public place, type "dmake install". 22360786Sps See step 6 of the Unix installation instructions for details 22460786Sps on how to change the default installation directories. 22560786Sps 22689019Sps======================================================================= 22789019SpsACKNOWLEDGMENTS: 22889019Sps Some versions of the less distribution are packaged using 22989019Sps Info-ZIP's compression utility. 23089019Sps Info-ZIP's software is free and can be obtained as source 23189019Sps code or executables from various anonymous-ftp sites, 23289019Sps including ftp.uu.net:/pub/archiving/zip. 233