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cb(1) [v7 man page]

CB(1)							      General Commands Manual							     CB(1)

cb - C program beautifier SYNOPSIS
Cb places a copy of the C program from the standard input on the standard output with spacing and indentation that displays the structure of the program. BUGS

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lex(1)							      General Commands Manual							    lex(1)

       lex - generate lexical analyzer

       lex [-tvfn] file...

       The  command  generates	programs  to be used in simple lexical analysis of text.  The input files (standard input default) contain regular
       expressions to be searched for, and actions written in C to be executed when expressions are found.

       A C source program, 'lex.yy.c', is generated.  It is compiled using the following command line:
       cc lex.yy.c -ll
       This program copies unrecognized portions of the input to the output, and executes the associated C action for each regular expression that
       is recognized.

       -f   Runs a faster compilation (does not pack resulting tables).  This is limited to small programs.

       -n   Prints no summary information (default option).

       -t   Writes to standard output instead of to file

       -v   Prints one-line summary of generated statistics.

       In the following example, the command
       lex lexcommands
       draws instructions from the file lexcommands, and places the output in lex.yy.c.  The command
       [A-Z]	 putchar(yytext[0]+'a'-'A');
       [ ]+$
       [ ]+ putchar(' ');

       is  an example of a program that would be put into a command file.  This program converts upper case to lower, removes blanks at the end of
       lines, and replaces multiple blanks by single blanks.

See Also
       sed(1), yacc(1)
       "LEX - Lexical Analyzer Generator", Supplementary Documents, Volume 2: Programmer

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