Here follows an answer in C:
(best viewed with "tabstop=4" in ~/.vimrc)
you can simply add some more char's (e.g: '/')
to be ignored as whitespace: just add them
to the head of the 'case' list, e.g. "case '/':"
without futher additions and recompile: "cc <file.c>
-----------------------------------------------------------
This program is to be called up as a filter, e.g:
a.out < textfile > lexical_file
or
cat textfile | a.out > lexical_file
or
cat textfile | a.out # output goes to the screen
-----------------------------------------------------------
#include <stdio.h>
#define CR '\r' //CarriageReturn
#define LF '\n' //LineFeed
#define TAB '\t' //Tabulator
#define YES 1
#define NO 0
int ch; //text
char newline; //mark LineFeed condition
main () {
newline = YES; //NO Linefeed before text
while ((ch = getchar()) != EOF) { //read text
switch (ch) {
case CR:
case TAB:
case LF: if (newline == NO) {
putchar(LF);
newline = YES;
}
break;
default: putchar(ch);
newline = NO;
}
}
}
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