hush/shell/ash_test/recho.c

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/*
recho -- really echo args, bracketed with <> and with invisible chars
made visible.
Chet Ramey
chet@po.cwru.edu
*/
/* Copyright (C) 2002-2005 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
Bash is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with Bash; see the file COPYING. If not, write to the Free Software
Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
#include <stdio.h>
#include <stdlib.h>
void strprint();
int
main(argc, argv)
int argc;
char **argv;
{
register int i;
for (i = 1; i < argc; i++) {
printf("argv[%d] = <", i);
strprint(argv[i]);
printf(">\n");
}
exit(0);
}
void
strprint(str)
char *str;
{
register unsigned char *s;
for (s = (unsigned char *)str; s && *s; s++) {
if (*s < ' ') {
putchar('^');
putchar(*s+64);
} else if (*s == 127) {
putchar('^');
putchar('?');
} else
putchar(*s);
}
}