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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Last built on Thu Oct 13 08:08:18 UTC 2022 against commit ed6b6fced6b6fc609f4be93c5d3348695a762facfecf48f.

Current version is 2.11.2200 which has been verified against 16798 tests cases.