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United Public Domain Gold 2
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United Public Domain Gold 2.iso
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pt030.dms
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Less
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version.c
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1987-06-15
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7KB
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135 lines
/*
* less
* Copyright (c) 1984,1985 Mark Nudelman
*
* This program may be freely used and/or modified,
* with the following provisions:
* 1. This notice and the above copyright notice must remain intact.
* 2. Neither this program, nor any modification of it,
* may be sold for profit without written consent of the author.
*
* -----------------------------------------------------------------
*
* This program is a paginator similar to "more",
* but allows you to move both forward and backward in the file.
* Commands are based on "more" and "vi".
*
* ----------------------- CHANGES ---------------------------------
*
* Allowed use on standard input 1/29/84 markn
* Added E, N, P commands 2/1/84 markn
* Added '=' command, 'stop' signal handling 4/17/84 markn
* Added line folding 4/20/84 markn
* v2: Fixed '=' command to use BOTTOM_PLUS_ONE,
* instead of TOP, added 'p' & 'v' commands 4/27/84 markn
* v3: Added -m and -t options, '-' command 5/3/84 markn
* v4: Added LESS environment variable 5/3/84 markn
* v5: New comments, fixed '-' command slightly 5/3/84 markn
* v6: Added -Q, visual bell 5/15/84 markn
* v7: Fixed jump_back(n) bug: n should count real
* lines, not folded lines. Also allow number
* on G command. 5/24/84 markn
* v8: Re-do -q and -Q commands 5/30/84 markn
* v9: Added "+<cmd>" argument 9/25/84 markn
* v10: Fixed bug in -b<n> argument processing 10/10/84 markn
* v11: Made error() ring bell if \n not entered. 10/18/84 markn
* -----------------------------------------------------------------
* v12: Reorganized signal handling and made
* portable to 4.2bsd. 2/13/85 mark
* v13: Reword error message for '-' command. 2/16/85 mark
* v14: Added -bf and -bp variants of -b. 2/22/85 mark
* v15: Miscellaneous changes. 2/25/85 mark
* v16: Added -u flag for backspace processing. 3/13/85 mark
* v17: Added j and k commands,
* changed -t default. 4/13/85 mark
* v18: Rewrote signal handling code. 4/20/85 mark
* v19: Got rid of "verbose" eq_message(). 5/2/85 mark
* Made search() scroll in some cases.
* v20: Fixed screen.c ioctls for System V. 5/21/85 mark
* v21: Fixed some first_cmd bugs. 5/23/85 mark
* v22: Added support for no RECOMP nor REGCMP. 5/24/85 mark
* v23: Miscellanous changes and prettying up. 5/25/85 mark
* Posted to USENET.
* v24: Added ti,te terminal init & de-init 6/3/85 Mike Kersenbrock
* v25: Added -U flag, standout mode underlining. 6/8/85 mark
* v26: Added -M flag. 6/9/85 mark
* Use underline termcap (us) if it exists.
* v27: Renamed some variables to make unique in 6/15/85 mark
* 6 chars. Minor fix to -m.
* v28: Fixed right margin bug. 6/28/85 mark
* v29: Incorporated M.Rose's changes to signal.c 6/28/85 mark
* v30: Fixed stupid bug in argument processing. 6/29/85 mark
* v31: Added -p flag, changed repaint algorithm. 7/15/85 mark
* Added kludge for magic cookie terminals.
* v32: Added cat_file if output not a tty. 7/16/85 mark
* v33: Added -e flag and EDITOR. 7/23/85 mark
* v34: Added -s flag. 7/26/85 mark
* v35: Rewrote option handling; added option.c. 7/27/85 mark
* v36: Fixed -e flag to work if not last file. 7/29/85 mark
* v37: Added -x flag. 8/10/85 mark
* v38: Changed prompting; created prompt.c. 8/19/85 mark
* v39: (Not -p) does not initially clear screen. 8/24/85 mark
* v40: Added "skipping" indicator in forw(). 8/26/85 mark
* Posted to USENET.
* v41: ONLY_RETURN, control char commands, 9/17/85 mark
* faster search, other minor fixes.
* v42: Added ++ command line syntax; 9/25/85 mark
* ch_fsize for pipes.
* v43: Added -h flag, changed prim.c algorithms. 10/15/85 mark
* v44: Made END print in all cases of eof; 10/16/85 mark
* ignore SIGTTOU after receiving SIGTSTP.
* v45: Never print backspaces unless -u. 10/16/85 mark
* v46: Backwards scroll in jump_loc. 10/24/85 mark
* v47: Fixed bug in edit(): *first_cmd==0 10/30/85 mark
* v48: Use TIOCSETN instead of TIOCSETP. 11/16/85 mark
* Added marks (m and ' commands).
* Posted to USENET.
* -----------------------------------------------------------------
* v49: Fixed bug: signal didn't clear mcc. 1/9/86 mark
* v50: Added ' (quote) to gomark. 1/15/86 mark
* v51: Added + cmd, fixed problem if first_cmd
* fails, made g cmd sort of "work" on pipes
* even if bof is no longer buffered. 1/16/86 mark
* v52: Made short files work better. 1/17/86 mark
* v53: Added -P option. 1/20/86 mark
* v54: Changed help to use HELPFILE. 1/20/86 mark
* v55: Messages work better if not tty output. 1/23/86 mark
* v56: Added -l option. 1/24/86 mark
* v57: Fixed -l to get confirmation before
* overwriting an existing file. 1/31/86 mark
* v58: Added filename globbing. 8/28/86 mark
* v59: Fixed some bugs with very long filenames. 9/15/86 mark
* v60: Incorporated changes from Leith (Casey)
* Leedom for boldface and -z option. 9/26/86 mark
* v61: Got rid of annoying repaints after ! cmd. 9/26/86 mark
* Posted to USENET.
* -----------------------------------------------------------------
* v62: Added is_directory(); change -z default to
* -1 instead of 24; cat-and-exit if -e and
* file is less than a screenful. 12/23/86 mark
* v63: Fixed bug in cat-and-exit if > 1 file. 1/8/87 mark
* v64: Changed puts/putstr, putc/putchr,
* getc/getchr to avoid name conflict with
* stdio functions. 1/12/87 mark
* v65: Allowed '-' command to change NUMBER
* valued options (thanks to Gary Puckering) 1/26/87 mark
* v66: Fixed bug: prepaint should use force=1. 2/13/87 mark
* v67: Added !! and % expansion to ! command. 2/24/87 mark
* v68: Added SIGWINCH and TIOCGWINSZ support;
* changed is_directory to bad_file.
* (thanks to J. Robert Ward) 2/25/87 mark
* v69: Added SIGWIND and WIOCGETD (for Unix PC). 2/25/87 mark
* v70: Changed help cmd from 'h' to 'H'; better
* error msgs in bad_file, errno_message. 3/13/87 mark
* v71: Changed -p to -c, made triple -c/-C
* for clear-eol like more's -c. 5/11/87 mark
* v72: Added -E, -L, use $SHELL in lsystem(). 6/26/87 mark
* (thanks to Steve Spearman)
* v73: Allow Examine "#" for previous file. 6/26/87 mark
* Posted to USENET 8/25/87.
* -----------------------------------------------------------------
*/
char version[] =
"@(#)Amiga Less 1.3beta (ported from version 73)";