eval command (concatenates arguments into a command and executes it)

Organization of this page

Format
Description
Arguments
Return codes
Notes
Usage example

Format

eval  [command  [args ...]]

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Description

This command concatenates arguments into a command that it executes. The character strings provided as the arguments are interpreted as a single command that is executed.

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Arguments

command: Specifies a name for the command that is to be executed. If this argument is omitted, the eval command terminates normally but without executing anything.
args: Specifies the arguments that are to be concatenated into a command and executed.

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Return codes

Return code	Meaning
`0`	Normal termination
`127`	Error termination The command could not be identified.
Other than the above	Error termination The format of the command is invalid, or the command terminated with an error.

Return code

Meaning

0

Normal termination

127

Error termination

The command could not be identified.

Other than the above

Error termination

The format of the command is invalid, or the command terminated with an error.

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Notes

The execution results of this command are not output to the job execution log. Note also that this command does not identify whether the job or job step terminated normally or with an error. Refer instead to the execution results of the command that was called.
If the command syntax of this special built-in command is invalid, it exits the shell that is executing the command.

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Usage example

Change directories to /home/adsh/script.
```
eval cd /home/adsh/script
```

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