repeat a command and be alerted when the output changes
with basher
$ basher install pforret/repeat
or with git
$ git clone https://github.com/pforret/repeat.git
$ cd repeat
$ ./repeat
Program: repeat 1.0.0 by peter@forret.com
Updated: Feb 12 15:49:50 2021
Description: repeat a command and be alerted when the output changes
Usage: repeat [-d] [-e] [-f] [-h] [-q] [-v] [-l <log_dir>] [-t <tmp_dir>] [-n <number>] [-w <wait>] <action> <command?>
Flags, options and parameters:
-d|--diff : [flag] diff the change in output instead of just showing the new output [default: off]
-e|--erase : [flag] erase last output (first call always shows up) [default: off]
-f|--force : [flag] do not ask for confirmation (always yes) [default: off]
-h|--help : [flag] show usage [default: off]
-q|--quiet : [flag] no output [default: off]
-v|--verbose : [flag] output more [default: off]
-l|--log_dir <?> : [option] folder for log files [default: /Users/pforret/log/repeat]
-t|--tmp_dir <?> : [option] folder for temp files [default: .tmp]
-n|--number <?> : [option] number of times to repeat the command [default: 100]
-w|--wait <?> : [option] seconds to wait between repeating the command [default: 5]
<action> : [parameter] action to perform: run/file
<command> : [parameter] command to repeat (optional)
@github.com:pforret/repeat.git
### TIPS & EXAMPLES
* use repeat run 'command -flag parameters' to repeat the command
repeat run 'ping -c 1 www.website.com'
* use repeat file /path/file.txt to repeatedly check the file
repeat -d file /var/log/errors.log
* use repeat check to check if this script is ready to execute and what values the options/flags are
repeat check
* use repeat env to generate an example .env file
repeat env > .env
* use repeat update to update to the latest version
repeat update
- wait for a DNS change to happen
> repeat -e run "nslookup www.example.com"
Run [nslookup example.com] (#1/100 @ 1 secs)
### Output changed at Fri Feb 12 15:36:28 CET 2021
### NEW OUTPUT
Server: 192.168.1.1
Address: 192.168.1.1#53
Non-authoritative answer:
Name: example.com
Address: 188.166.1.1
###
... Ran [nslookup example.com] (#6/100 @ 36 secs) - wait 5 seconds- wait for a file to change
> repeat -d file /var/log/results.txt
Check [/var/log/results.txt] (#5/100 @ 21 secs)
### Output changed at Fri Feb 12 15:36:28 CET 2021
### File changed at Fri Feb 12 16:09:13 CET 2021
### FILE DIFF
5d4
< Error in line 4
###
... Check [/var/log/results.txt] (#8/100 @ 36 secs) - wait 5 seconds- script created with bashew
© 2021 Peter Forret