Reference

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str2hex

Arguments:

Description:

Convert specified string argument into a sequence of hexadecimal values (returned as a string).

See also:

hex2str.

Example of use:

$ gmic hex=${"str2hex \"Hello my friends\""} echo $hex

[gmic]-0./ Start interpreter.
[gmic]-0./ 48656c6c6f206d7920667269656e6473
[gmic]-0./ End interpreter.