A modern alternative to watch command

Tavo Annus

Last update: Oct 7, 2022

Related tags

Overview

neowatch

Usage

USAGE:
    neowatch [OPTIONS] [SUBCOMMAND]

OPTIONS:
        --change-color 
   
          Color for changed text [word|ANSI|rr,gg,bb]
    -d, --differences               Highlight differences since last update
        --decrease-color 
    
         Color for decreasing numeric values
    -e, --errexit                   Exit on non-zero return code
    -g, --chgexit                   Exit on output change
    -h, --help                      Print help information
        --increase-color 
     
          Color for increaseing numeric values
    -n, --interval 
      
                  Set update insterval [default: 1.0]
        --new-color 
       
         Color for new text [word|ANSI|rr,gg,bb] -p, --precise Attempt to run command at precise intervals --radix 
        
          Radix for numbers [default: 10] -V, --version Print version information -z, --number-changes Highlight number changes based on increase/decrease

Example

neowatch -n 0.1 --new-color=magenta --change-color=255,155,0 -d sensors

Installation

Currently the neowatch app is available on crates.io

cargo install neowatch

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Comments

'cargo install neowatch' fails on Windows

Hi! Just tried to install neowatch on my box (rust 1.63.0 and 1.65.0-nightly)

On stable , 'cargo install neowatch' fails with 4 errors :

error[E0432]: unresolved import libc::SIGHUP --> C:\Users\olivier.cargo\registry\src\github.com-1ecc6299db9ec823\neowatch-0.1.3\src\signal.rs:1:41 | 1 | use libc::{c_int, sighandler_t, signal, SIGHUP, SIGINT, SIGTERM}; | ^^^^^^ no SIGHUP in the root

error[E0554]: #![feature] may not be used on the stable release channel --> C:\Users\olivier.cargo\registry\src\github.com-1ecc6299db9ec823\neowatch-0.1.3\src\main.rs:1:12 | 1 | #![feature(termination_trait_lib)] | ^^^^^^^^^^^^^^^^^^^^^

error[E0554]: #![feature] may not be used on the stable release channel --> C:\Users\olivier.cargo\registry\src\github.com-1ecc6299db9ec823\neowatch-0.1.3\src\main.rs:2:12 | 2 | #![feature(int_abs_diff)] | ^^^^^^^^^^^^

error[E0053]: method report has an incompatible type for trait --> C:\Users\olivier.cargo\registry\src\github.com-1ecc6299db9ec823\neowatch-0.1.3\src\error.rs:48:24 | 48 | fn report(self) -> i32 { | ^^^ | | | expected struct ExitCode, found i32 | help: change the output type to match the trait: ExitCode | = note: expected fn pointer fn(Exit<'_>) -> ExitCode found fn pointer fn(Exit<'_>) -> i32

On nightly (with the features that solves 2 of the 4 above errors), 'cargo install neowatch' fails with the 2 remaining errors :

error[E0432]: unresolved import libc::SIGHUP --> C:\Users\olivier.cargo\registry\src\github.com-1ecc6299db9ec823\neowatch-0.1.3\src\signal.rs:1:41 | 1 | use libc::{c_int, sighandler_t, signal, SIGHUP, SIGINT, SIGTERM}; | ^^^^^^ no SIGHUP in the root

error[E0053]: method report has an incompatible type for trait --> C:\Users\olivier.cargo\registry\src\github.com-1ecc6299db9ec823\neowatch-0.1.3\src\error.rs:48:24 | 48 | fn report(self) -> i32 { | ^^^ | | | expected struct ExitCode, found i32 | help: change the output type to match the trait: ExitCode | = note: expected fn pointer fn(Exit<'_>) -> ExitCode found fn pointer fn(Exit<'_>) -> i32

2nd error : error message is explicit, should be easy to solve.

1sr error : off course libc has SIGHUP etc. only for linux/*bsd/solaris etc. Unices. There are crates (e.g. ctrlc) to get portable CTRL-C handlers (i.e. not having to deal with winapi SetConsoleCtrlHandler on Windows).

Hope this helps.

opened by olivier-fs 2