pure-sh-bible issues

string truncate

6

This leverages string iteration in #17 to truncate a given string to a specified length. ``` shell string_truncate() { string_length_maximum="$1" shift string="$*" string_length=${#string} # if [ "$string_length" -le "$string_length_maximum" ];...

spiralofhope

Add example for looping over command output

adigitoleo

Hexadecimal to Decimal

In bash: ``` echo $(( 16#FF )) 255 ``` In pure sh: ``` echo $(( 0xFF )) 255 ```

JoshuaFern

basename

1

For usage messages and such in my shell scripts I typically use `prog=${0##*/}` instead of `prog=$(basename $0)`. `dirname` can similarly be replace with `${var%/*}`. You noted the ''#' and '%'...

mmessmore

This is great

1

Not an issue, just more of a compliment. I deal with so many "Linux admins" and "DevOps Engineers" these days. The problem is many of them cannot do (seemingly) basic...

kajukenbo

dash "-L" test for symbolic link may not be reliable

4

Using `dash` I came across this and thought it may effect you. ``` -L file True if file exists and is a symbolic link. This operator is retained for compatibility...

TinCanTech

set examples with bash

Set with bash soruce: https://catonmat.net/set-operations-in-unix-shell

vay3t

Change some trimming functions to subshells

1

We can have the situation that shell options are already unset, in that case we actually change them to setted. The correct way of preventing shell options overriding is using...

augustobmoura