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Greppes are GREP's that Edit with many options. They are programming or admin tools for Investigation and Change of any files on ANY PC's that use MS-DOS. They are oriented towards English byte characters but can be adapted for other languages to include UNICODE double bytes. PDGREPPE is Pattern Definition GREP with Pattern Editing FGREPPE is Fast or Fixed GREP with Pattern Editing. Each uses (CLI) Command Line Interface and can be customised for International Text bytes, data logging, default directories, environment and extended command line files. Both can edit by interactive or automatic modes with full respect for file-sharing properties. User must specify DOS 8.3 file names. Options are available by menus of FILE, VIEW, SEARCH, REPLACE, MISC & HELP. PDGREPPE has other menus for DEBUG & DEFINITIONS. PDGREPPE searches by Extended Regular Expressions similar to EGREP on UNIX systems. It can reuse search patterns from user created definition files, employ (MarkedGroups) of pattern data that may be reused later BY USER SPECIFIED NAMES in search or replace patterns. Magic or wildcard symbols and formats are like those in other GREPS, and PERL. They include any of " ^$ [].(){}< > #%-; ; !?*+& |~`'@:; =" and backslash "" that represent data positions, ranges of characters (sets), ANY byte, Marked and Unmarked Groups, naming and reuse of Marked Groups, positive and negative Repititions, OR and AND operators, control, file inclusion, literal and separation. These allow searches to be made for imprecise or alternate forms of data. FGREPPE is more simple like FGREP on UNIX systems and does a search and replace based on FIXED patterns. GREPPES feature screen paging, word wrap, high light of match areas, recursive descent into file system, multiple drive specification and MANY other options as detailed in on-line documentation file README.EXE and WWW on-line reference guide. Some support for IFS file names on Windows 9X, 2000 and XP.
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