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Update README

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Utkarsh Verma 2021-10-15 10:41:45 +05:30
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@ -110,5 +110,21 @@ Like `i3blocks`, this build allows you to build in additional actions into your
For this feature to work, you need `dwm` to be patched with [statuscmd](https://dwm.suckless.org/patches/statuscmd/).
Because `dwmblocks-async` creates a child process, it messes up the way the original `statuscmd` patch gets the PID of statusbar. It is necessary to modify the following lines in the definition of `getstatusbarpid()`.
```diff
return statuspid;
}
}
- if (!(fp = popen("pidof -s "STATUSBAR, "r")))
+ if (!(fp = popen("pgrep -o "STATUSBAR, "r")))
return -1;
fgets(buf, sizeof(buf), fp);
pclose(fp);
```
This modification is backwards-compatible with other versions of `dwmblocks` as well.
## Credits
This work would not have been possible without [Luke's build of dwmblocks](https://github.com/LukeSmithxyz/dwmblocks) and [Daniel Bylinka's statuscmd patch](https://dwm.suckless.org/patches/statuscmd/).