murex Shell Docs

Command Reference: catch

Handles the exception code raised by try or trypipe

Description

catch is designed to be used in conjunction with try and trypipe as it handles the exceptions raised by the aforementioned.

Usage

[ try | trypipe ] { code-block } -> <stdout>

catch { code-block } -> <stdout>

!catch { code-block } -> <stdout>

Examples

try {
    out: "Hello, World!" -> grep: "non-existent string"
    out: "This command will be ignored"
}

catch {
    out: "An error was caught"
}

!catch {
    out: "No errors were raised"
}

Detail

catch can be used with a bang prefix to check for a lack of errors.

catch forwards on the STDIN and exit number of the calling function.

Synonyms

See Also

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