TRY_REPEAT(1)

NAME

try_repeat — Run a command 'n' times, exiting early if the command returns non-zero

SYNOPSIS

try_repeat [-v] count command [options ...]

DESCRIPTION

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

The options are as follows:

-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

$ echo $?

0

$ try_repeat 3 ls
  /doesntexist

ls: /doesntexist:
  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

AUTHORS

try_repeat was written by Laurence Tratt https://tratt.net/laurie/.