-a file |
Test if file exists |
-b file |
Test if file exists and is a block special file |
-c file |
Test if file exists and is a character special file |
-d file |
Test if file exists and is a directory |
-e file |
Test if file exists |
-f file |
Test if file exists and is a regular file |
-g file |
Test if file exists and has the setgid bit set |
-h file |
Test if file exists and is a symbolic link |
-k file |
Test if file exists and has the sticky bit set |
-L file |
Test if file exists and is a symbolic link |
-O file |
Test if file exists and is owned by the current user |
-o file |
Test if file is older than the current file |
-p file |
Test if file exists and is a named pipe (FIFO) |
-r file |
Test if file exists and is readable |
-s file |
Test if file exists and has a size greater than zero |
-S file |
Test if file exists and is a socket |
-u file |
Test if file exists and has the setuid bit set |
-w file |
Test if file exists and is writable |
-x file |
Test if file exists and is executable |
file1 -nt file2 |
Test if file1 is newer than file2 using modification timestamp |
file1 -ot file2 |
Test if file 1 is older than file 2 using modification timestamp |
file1 -ef file2 |
Test if file1 and file2 are associated by a link |
-n string |
Test if the length of the string is nonzero bytes |
-z string |
Test if the length of the string is zero bytes |
string1 = string2 |
Test if string1 is equal to string2 |
string1 != string2 |
Test if string1 is not equal to string2 |
string |
Test if string is not empty |
int1 -eq int2 |
Test if int1 is equal to int2 |
int1 -ne int2 |
Test if int1 is not equal to int2 |
int1 -lt int2 |
Test if int1 is less than int2 |
int1 -le int2 |
Test if int1 is less than or equal to int2 |
int1 -gt int2 |
Test if int1 is greater than int2 |
int1 -ge int2 |
Test if int1 is greater than or equal to int2 |
! condition |
Test if the condition is false |
condition1 -a condition2 |
Test if both condition1 and condition2 are true |
condition1 -o condition2 |
Test if either condition1 or condition2 is true |
(( expression )) |
Test if the arithmetic expression evaluates to a nonzero value |
[ -t n ] |
Test if file descriptor n is open and associated with a terminal |
[[ expression ]] |
Test if the expression evaluates to true |
(( var++ )) |
Test if var is incremented |
