try_repeat

Overview

try_repeat tries to run a command n times, exiting early if the command exits with a non-zero exit code. This is useful when trying to find intermittent failures in a command.

Download and docs

• Latest release: try_repeat-0.2.0 (2023-01-29)
  • Size: 2966 bytes (2KiB)
  • SHA256: 6YfA87AwehFtdB9w/RBjOpHMRRtyaxIg9WAlaE2bOLU=
  • Release notes:
    
    • Use "$@" rather than eval to execute <command>. This preserves spaces in <command> (e.g. those contained in quotes), and thus, in general, tends to better match the user's expectations about what command will actually be executed.
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Usage

try_repeat [-hv] <count> <command> [<arg1> ... <argn>]

Options:

-v	Print out the iteration number before executing <command>

try_repeat exits with the exit code of the last iteration of <command>

Examples

$ try_repeat 3 ls /etc/motd
/etc/motd
/etc/motd
/etc/motd
$ echo $?
0
$ try_repeat 3 ls /doesntexist
ls: /doesntexist: No such file or directory
$ echo $?
1
$ try_repeat -v 3 ls /etc/motd
===> 1: ls /etc/motd
/etc/motd
===> 2: ls /etc/motd
/etc/motd
===> 3: ls /etc/motd
/etc/motd