remove str, incorporated into bonsai
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str: str.c
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# Packaging str
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## Files
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- `src/str`
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- Can be moved to a system sources directory if it's desirable to keep
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system sources on hand. Doesn't reference anything else in the
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repository.
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- `str.1`
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- Included manual page for `str`. Can be placed in the appropriate
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manual pages directory. If it displays weirdly and your fix is
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portable, mail me and I'll probably bring it upstream.
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- `str.c`
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- A single C file that builds to a single executable, which should be
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named `str`.
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- `str`
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- Program binary. Should be placed in a user-accessible binaries
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directory.
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## Dependencies
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- `<sysexits.h>`
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- Ignored if `EX_USAGE` is already defined.
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- C standard library
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## Compilation
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```
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cc -o str str.c
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```
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Or without `<sysexits.h>`:
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```
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cc -DEX_USAGE=1 -o str str.c
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```
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47
str/str.1
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str/str.1
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.TH STRIS 1
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.SH NAME
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str \(en test the character types of string arguments
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.SH SYNOPSIS
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str
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.RB [ type ]
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.RB [ string... ]
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.SH DESCRIPTION
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Str tests each character in an arbitrary quantity of string arguments against
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the function of the same name within ctype(3).
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.SH DIAGNOSTICS
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Str exits successfully if all tests pass and unsuccessfully if a test failed.
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.PP
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Str will exit unsuccessfully if a string is empty, as none of its contents
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passed the test.
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.PP
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Str will print a message to standard error and exit unsuccessfully if used
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improperly.
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.SH ISVALUE
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Str used to have an "isvalue" type as an extension to ctype(3). This was
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removed in favor of using strcmp(1) to compare strings against the empty string
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('').
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.SH BUGS
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There's no way of knowing which argument failed the test without re-testing
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arguments individually.
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.PP
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If a character in a string isn't valid ASCII str will exit unsuccessfully.
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.SH SEE ALSO
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ctype(3), ascii(7)
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.SH COPYRIGHT
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Public domain.
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57
str/str.c
57
str/str.c
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#include <ctype.h>
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#include <stddef.h> /* NULL */
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#include <stdio.h> /* fprintf(3) */
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#include <string.h> /* strcmp(3) */
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#if !defined EX_USAGE
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# include <sysexits.h>
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#endif
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static char *program_name = "str";
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static struct {
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char *name;
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int (*f)(int);
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}ctypes[] = {
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{ "isalnum", isalnum },
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{ "isalpha", isalpha },
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{ "isblank", isblank },
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{ "iscntrl", iscntrl },
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{ "isdigit", isdigit },
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{ "isxdigit", isxdigit },
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{ "isgraph", isgraph },
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{ "islower", islower },
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{ "isprint", isprint },
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{ "ispunct", ispunct },
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{ "isspace", isspace },
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{ "isupper", isupper }
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};
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int main(int argc, char *argv[]){
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int ctype;
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int i;
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int r;
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if(argc >= 3){
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for(ctype = 0; ctype < (sizeof ctypes) / (sizeof *ctypes);
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++ctype)
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if(strcmp(argv[1], ctypes[ctype].name) == 0)
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goto pass;
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}
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fprintf(stderr, "Usage: %s [type] [string...]\n",
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argv[0] == NULL ? program_name : argv[0]);
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return EX_USAGE;
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pass: for(argv += 2, r = 1; *argv != NULL; ++argv)
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for(i = 0; argv[0][i] != '\0'; ++i)
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/* First checks if argv[0][i] is valid ASCII; ctypes(3)
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* don't handle non-ASCII.
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* This is bad. */
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if(argv[0][i] < 0x80 && !ctypes[ctype].f(argv[0][i]))
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return 1;
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else
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r = 0;
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return r;
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}
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