TEST.1
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- TEST(1) Minix Programmer's Manual TEST(1)
- NAME
- test, [ - test for a condition
- SYNOPSIS
- test expr
- [ expr ]
- OPTIONS
- (none)
- EXAMPLES
- test -r file # See if file is readable
- DESCRIPTION
- Test checks to see if files exist, are readable, etc. and returns an exit
- status of zero if true and nonzero if false. The legal operators are
- -r file true if the file is readable
- -w file true if the file is writable
- -x file true if the file is executable
- -f file true if the file is not a directory
- -d file true if the file is a directory
- -s file true if the file exists and has a size > 0
- -t fd true if file descriptor fd (default 1) is a terminal
- -z s true if the string s has zero length
- -n s true if the string s has nonzero length
- s1 = s2 true if the strings s1 and s2 are identical
- s1 != s2 true if the strings s1 and s2 are different
- m -eq m true if the integers m and n are numerically equal
- The operators -gt, -ge, -ne, -le, and -lt may be used as well. These
- operands may be combined with -a (Boolean and), -o (Boolean or), !
- (negation). The priority of -a is higher than that of -o. Parentheses are
- permitted, but must be escaped to keep the shell from trying to interpret
- them.
- SEE ALSO
- expr(1), sh(1).
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