README revision 63128
1 2 Less, version 358 3 4 This is the distribution of less, version 358, released 08 Jul 2000. 5 This program is part of the GNU project (http://www.gnu.org). 6 7 This program is free software. You may redistribute it and/or 8 modify it under the terms of either: 9 10 1. The GNU General Public License, as published by the Free 11 Software Foundation; either version 2, or (at your option) any 12 later version. A copy of this license is in the file COPYING. 13 or 14 2. The Less License, in the file LICENSE. 15 16 Please report any problems to bug-less@gnu.org or marknu@flash.net. 17 See http://www.flash.net/~marknu/less for the latest info. 18 You may also contact the author at: 19 Mark Nudelman 20 Greenwood Software 21 PO Box 2402 22 El Granada, CA 94018 23 USA 24 25========================================================================= 26 27This is the distribution of "less", a paginator similar to "more" or "pg". 28 29The formatted manual page is in less.man. 30The manual page nroff source is in less.nro. 31Major changes made since the last posted version are in NEWS. 32 33======================================================================= 34INSTALLATION (Unix systems only): 35 361. Move the distributed source to its own directory and unpack it, 37 if you have not already done so. 38 392. Type "sh configure". 40 This will generate a Makefile and a defines.h. 41 Warning: if you have a GNU sed, make sure it is version 2.05 or later. 42 43 The file INSTALL describes the usage of the configure program in 44 general. In addition, these options to configure are supported: 45 46 --with-editor=program 47 Specifies the default editor program used by the "v" command. 48 The default is "vi". 49 --with-regex=lib 50 Specifies the regular expression library used by less for pattern 51 matching. The default is "auto", which means the configure program 52 finds a regular expression library automatically. Other values are: 53 posix Use the POSIX-compatible regcomp. 54 pcre Use the PCRE library. 55 regcmp Use the regcmp library. 56 re_comp Use the re_comp library. 57 regcomp Use the V8-compatible regcomp. 58 regcomp-local Use Henry Spencer's V8-compatible regcomp 59 (source is supplied with less). 60 613. It is a good idea to look over the generated Makefile and defines.h 62 and make sure they look ok. If you know of any peculiarities of 63 your system that configure might not have detected, you may fix the 64 Makefile now. Take particular notice of the list of "terminal" 65 libraries in the LIBS definition in the Makefile; these may need 66 to be edited. The terminal libraries will be some subset of 67 -lncurses -lcurses -ltermcap -ltermlib 68 69 If you wish, you may edit defines.h to remove some optional features. 70 If you wish to build a "secure" version of less (which disables all 71 features which might allow a user to do unintended things to the system 72 on which less is running), edit defines.h and define SECURE to 1. 73 If you choose not to include some features in your version, you may 74 wish to edit the manual page "less.nro" and the help page "less.hlp" 75 to remove the descriptions of the features which you are removing. 76 If you edit less.hlp, you should run "make -f Makefile.aut help.c". 77 784. Type "make" and watch the fun. 79 805. If the make succeeds, it will generate the programs "less", 81 "lesskey" and "lessecho" in your current directory. Test the 82 generated programs. 83 846. When satisfied that it works, if you wish to install it 85 in a public place, type "make install". 86 87 The default install destinations are: 88 Executables (less, lesskey, lessecho) in /usr/local/bin 89 Documentation (less.nro, lesskey.nro) in /usr/local/man/man1 90 If you want to install any of these files elsewhere, define 91 bindir and/or mandir to the appropriate directories. 92 93If you have any problems building or running "less", suggestions, 94complaints, etc., you may mail to the author at marknu@flash.net. 95 96Note to hackers: comments noting possible improvements are enclosed 97in double curly brackets {{ like this }}. 98 99 100 101======================================================================= 102INSTALLATION (MS-DOS systems only, 103 with Microsoft C, Borland C, or DJGPP) 104 1051. Move the distributed source to its own directory. 106 Depending on your compiler, you may need to convert the source 107 to have CR-LF rather than LF as line terminators. 108 1092. If you are using Microsoft C, rename MAKEFILE.DSU to MAKEFILE. 110 If you are using Borland C, rename MAKEFILE.DSB to MAKEFILE. 111 If you are using DJGPP, rename MAKEFILE.DSG to MAKEFILE. 112 1133. Look at MAKEFILE to make sure that the definitions for CC and LIBDIR 114 are correct. CC should be the name of your C compiler and 115 LIBDIR should be the directory where the C libraries reside (for 116 Microsoft C only). If these definitions need to be changed, you can 117 either modify the definitions directly in MAKEFILE, or set your 118 environment variables CC and/or LIBDIR to override the definitions 119 in MAKEFILE. 120 1214. If you wish, you may edit DEFINES.DS to remove some optional features. 122 If you choose not to include some features in your version, you may 123 wish to edit the manual page LESS.MAN and the help page HELP.C 124 to remove the descriptions of the features which you are removing. 125 1265. Run your "make" program and watch the fun. 127 If your "make" requires a flag to import environment variables, 128 you should use that flag. 129 If your compiler runs out of memory, try running "make -n >cmds.bat" 130 and then run cmds.bat. 131 1326. If the make succeeds, it will generate the programs "LESS.EXE" and 133 "LESSKEY.EXE" in your current directory. Test the generated programs. 134 1357. When satisfied that it works, you may wish to install LESS.EXE and 136 LESSKEY.EXE in a directory which is included in your PATH. 137 138 139 140======================================================================= 141INSTALLATION (Windows-95, Windows-98 and Windows-NT systems only, 142 with Borland C or Microsoft Visual C++) 143 1441. Move the distributed source to its own directory. 145 1462. If you are using Borland C, rename Makefile.wnb to Makefile. 147 If you are using Microsoft Visual C++, rename Makefile.wnm to Makefile. 148 1493. Check the Makefile to make sure the definitions look ok. 150 1514. If you wish, you may edit defines.wn to remove some optional features. 152 If you choose not to include some features in your version, you may 153 wish to edit the manual page less.man and the help page help.c 154 to remove the descriptions of the features which you are removing. 155 1565. Type "make" and watch the fun. 157 1586. If the make succeeds, it will generate the programs "less.exe" and 159 "lesskey.exe" in your current directory. Test the generated programs. 160 1617. When satisfied that it works, if you wish to install it 162 in a public place, type "make install". 163 See step 6 of the Unix installation instructions for details 164 on how to change the default installation directories. 165 166 167 168======================================================================= 169INSTALLATION (OS/2 systems only, 170 with EMX C) 171 1721. Move the distributed source to its own directory. 173 1742. Rename Makefile.o2e to Makefile. 175 1763. Check the Makefile to make sure the definitions look ok. 177 1784. If you wish, you may edit defines.o2 to remove some optional features. 179 If you choose not to include some features in your version, you may 180 wish to edit the manual page less.man and the help page help.c 181 to remove the descriptions of the features which you are removing. 182 1835. Type "make" and watch the fun. 184 1856. If the make succeeds, it will generate the programs "less.exe" and 186 "lesskey.exe" in your current directory. Test the generated programs. 187 1887. Make sure you have the emx runtime installed. You need the emx DLLs 189 emx.dll and emxlibcs.dll and also the termcap database, termcap.dat. 190 Make sure you have termcap.dat either in the default location or 191 somewhere in a directory listed in the PATH or INIT environment 192 variables. 193 1948. When satisfied that it works, you may wish to install less.exe and 195 lesskey.exe in a directory which is included in your PATH. 196 197 198 199======================================================================= 200INSTALLATION (OS-9 systems only, 201 with Microware C or Ultra C) 202 2031. Move the distributed source to its own directory. 204 2052. If you are using Microware C, rename Makefile.o9c to Makefile. 206 If you are using Ultra C, rename Makefile.o9u to Makefile. 207 2083. Check the Makefile to make sure the definitions look ok. 209 2104. If you wish, you may edit defines.o9 to remove some optional features. 211 If you choose not to include some features in your version, you may 212 wish to edit the manual page less.man and the help page help.c 213 to remove the descriptions of the features which you are removing. 214 2155. Type "dmake" and watch the fun. 216 The standard OS-9 "make" will probably not work. If you don't 217 have dmake, you can get a copy from os9archive.rtsi.com. 218 2196. If the make succeeds, it will generate the programs "less" and 220 "lesskey" in your current directory. Test the generated programs. 221 2227. When satisfied that it works, if you wish to install it 223 in a public place, type "dmake install". 224 See step 6 of the Unix installation instructions for details 225 on how to change the default installation directories. 226 227