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regenerate readme

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Connor Olding 2021-08-01 09:46:52 -07:00
parent b027daf9cf
commit b478b3e210
1 changed files with 30 additions and 5 deletions
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README.md
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@ -33,6 +33,7 @@ myfunc() {
perform arithmetic using the shell and display the result. perform arithmetic using the shell and display the result.
see also [`hex`](#hex) and [`bin`](#bin). see also [`hex`](#hex) and [`bin`](#bin).
this example requires zsh:
``` ```
% db=6 % db=6
@ -57,7 +58,7 @@ this is sometimes nicer than `ssh`-ing into a server and running `vim` remotely.
### [bak](/sh/bak#L6) ### [bak](/sh/bak#L6)
backup files by copying each and appending ".bak" to their names. backup files by creating copies and appending ".bak" to their names.
this calls itself recursively to avoid clobbering existing backups. this calls itself recursively to avoid clobbering existing backups.
``` ```
@ -213,6 +214,17 @@ Continue? [y/N] n
nay nay
``` ```
a real world example:
```
% g1 && confirm && git commit -a --amend --no-edit
daf84e3 document a ton of stuff
Continue? [y/N] y
[master 92bdf76] document a ton of stuff
Date: Sun Aug 1 09:27:25 2021 -0700
20 files changed, 406 insertions(+), 29 deletions(-)
```
### [countdiff](/sh/countdiff#L6) ### [countdiff](/sh/countdiff#L6)
count the number of lines changed between two files. count the number of lines changed between two files.
@ -336,11 +348,17 @@ note that this uses GitHub's API, so it requires internet connectivity.
this script utilizes the CSS provided at this script utilizes the CSS provided at
[sindresorhus/github-markdown-css.](https://github.com/sindresorhus/github-markdown-css) [sindresorhus/github-markdown-css.](https://github.com/sindresorhus/github-markdown-css)
```
~/sh/ghmd < ~/rc/README.md > ~/rc/README.html
```
### [has](/sh/has#L6) ### [has](/sh/has#L6)
print the result of `which` if the program is found, else simply return 1. print the result of `which` if the program is found, else simply return 1.
`export CC="$(has clang || has clang-3.8 || has gcc)"` ```
export CC="$(has clang || has clang-3.8 || has gcc)"
```
### [hex](/sh/hex#L9) ### [hex](/sh/hex#L9)
@ -377,10 +395,15 @@ return 0 if a given website returns a 2xx HTTP code.
mimic certain features of `sudo` for systems without it installed. mimic certain features of `sudo` for systems without it installed.
as it stands, this mostly just handles some environment variables. as it stands, this mostly just handles some environment variables.
try this: `maybesudo_ -u "$USER" printenv`
### [minutemaid](/sh/minutemaid#L6) ### [minutemaid](/sh/minutemaid#L6)
return 0 if the current minute is divisible by a number. return 0 and/or execute a command if the current minute
note that a minute is relative to the seconds since the epoch, not the minute of the hour. is divisible by a given number. note that a minute is
relative to the seconds since the epoch, not the minute of the hour.
this ensures that commands will run roughly every N minutes,
regardless of the minute hand on the clock.
``` ```
# crontab usage: # crontab usage:
@ -392,7 +415,9 @@ note that a minute is relative to the seconds since the epoch, not the minute of
this is [watch(1)](https://www.man7.org/linux/man-pages/man1/watch.1.html) this is [watch(1)](https://www.man7.org/linux/man-pages/man1/watch.1.html)
loosely reimplemented as a shell script. loosely reimplemented as a shell script.
`usage: monitor [-fs] [-n {period}] {command} [{args...}]` ```
usage: monitor [-fs] [-n {period}] {command} [{args...}]
```
### [noccom](/sh/noccom#L10) ### [noccom](/sh/noccom#L10)