Mercurial > hg > toybox
changeset 832:75526930cdd7
Add help text for pending test command. (No actual implementation yet.)
author | Rob Landley <rob@landley.net> |
---|---|
date | Tue, 26 Mar 2013 22:31:10 -0500 |
parents | 4b9b7c9a194f |
children | 98dc18ed57a3 |
files | toys/pending/test.c |
diffstat | 1 files changed, 45 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toys/pending/test.c Tue Mar 26 22:31:10 2013 -0500 @@ -0,0 +1,45 @@ +/* test.c - evaluate expression + * + * Copyright 2013 Rob Landley <rob@landley.net> + * + * See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/test.html + +USE_TEST(NEWTOY(test, NULL, TOYFLAG_USR|TOYFLAG_BIN)) + +config TEST + bool "test" + default n + help + usage: test [-bcdefghLPrSsuwx PATH] [-nz STRING] [-t FD] [X ?? Y] + + Return true or false by performing tests. (With no arguments return false.) + + --- Tests with a single argument (after the option): + PATH is/has: + -b block device -f regular file -p fifo -u setuid bit + -c char device -g setgid -r read bit -w write bit + -d directory -h symlink -S socket -x execute bit + -e exists -L symlink -s nonzero size + STRING is: + -n nonzero size -z zero size (STRING by itself implies -n) + FD (integer file descriptor) is: + -t a TTY + + --- Tests with one argument on each side of an operator: + Two strings: + = are identical != differ + Two integers: + -eq equal -gt first > second -lt first < second + -ne not equal -ge first >= second -le first <= second + + --- Modify or combine tests: + ! EXPR not (swap true/false) EXPR -a EXPR and (are both true) + ( EXPR ) evaluate this first EXPR -o EXPR or (is either true) +*/ + +#include "toys.h" + +void test_main(void) +{ + return; +}