Linux Shell Test

(EXPRESSION)

Expression is true expression true

! EXPRESSION

Expression is false expression false

Expression1-a EXPRESSION2

Both EXPRESSION1 and EXPRESSION2 are true both true

Expression1-o EXPRESSION2

Either EXPRESSION1 or EXPRESSION2 is true one of them is true

-N STRING

The length of string is nonzero string length not 0

String equivalent To-n string

-Z STRING

The length of string is a zero string is 0

STRING1 = STRING2

The strings are equal strings are equal

STRING1! = STRING2

The strings is not equal strings are unequal

Integer1-eq INTEGER2

INTEGER1 is equal to INTEGER2 INTEGER1 equals INTEGER2

Integer1-ge INTEGER2

INTEGER1 is greater than or equal to INTEGER2 INTEGER1 greater than or equal to INTEGER2

INTEGER1-GT INTEGER2

INTEGER1 is greater than INTEGER2 INTEGER1 greater than INTEGER2

Integer1-le INTEGER2

INTEGER1 is lesser than or equal to INTEGER2 INTEGER1 are less than or equal to INTEGER2

Integer1-lt INTEGER2

INTEGER1 is less than INTEGER2 INTEGER1 smaller than INTEGER2

Integer1-ne INTEGER2

INTEGER1 isn't equal to INTEGER2 INTEGER1 does not equal INTEGER2

File1-ef FILE2

FILE1 and FILE2 have the same device and inode numbers

File1-nt FILE2

FILE1 is newer (modification date) than FILE2

File1-ot FILE2

FILE1 is older than FILE2

-B FILE

File exists and is block special file exists and is a block special file

-C FILE

File exists and is character special files exist and are character special files

-D FILE

File exists and is a directory file exist and are directories

-E FILE

File exists files exist

-F FILE

File exists and is a regular file files exist and are regular files

-G FILE

File exists and is Set-group-id files exist and group IDs are set

-G FILE

File exists and is owned by the effective group ID file exists and is a valid group ID

-H FILE

File exists and is a symbolic link (same as-l) files exist and are symbolic links

-K FILE

File exists and have its sticky bit set file exists and Sticky-bit permissions are set

-L FILE

File exists and is a symbolic link (same as-h) files exist and are symbolic links

-O FILE

File exists and is owned by the effective user ID file exists and is owner-valid

-P FILE

FILE exists and is a named pipe

-R FILE

File exists and Read permission is granted files exist and are readable

-S FILE

File exists and has a size greater than zero file exists and non-0

-S FILE

File exists and is a socket file exists and is a socket file

-T FD file descriptor FD is opened on a terminal

-U FILE

File exists and its Set-user-id bit is set file exists with Set-user-id bit permission set

-W FILE

File exists and write permission is granted file exists and is writable

-X FILE

File exists and execute (or search) permission is granted files exist and are executable

Linux Shell Test