======Command eval======

====Name====
**eval** Evaluates its arguments as a command and executes it


====Synopsis====

**eval** [cmd]

The eval command parses its arguments, concatenates them with spaces then passes the resultant string to the current Shell for evaluation and execution. This command can be used to dynamically construct and execute commands.



====Examples====

Example
%%
A="echo foo"
eval $A
%%
Result
%%
foo
%%

Example storing the result in a variable
%%
width=$(eval 'identify -format \"%[fx:w]\" dir1/picture.jpg')
%%
Result
%%
$ echo ${width}
"592"
%%


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[[Commands]]
[[CategoryCommands]]