rain1
f2c1a2d532
organizing
|
%!s(int64=8) %!d(string=hai) anos | |
|---|---|---|
| .. | ||
| GRAMMAR | %!s(int64=8) %!d(string=hai) anos | |
| README | %!s(int64=8) %!d(string=hai) anos | |
| TODO | %!s(int64=8) %!d(string=hai) anos | |
| notes.txt | %!s(int64=8) %!d(string=hai) anos | |
README
Anti-example:
$ env | grep -E '^V='
$ V="x" echo $V
$ V="x"; echo $V
x
$ env | grep -E '^V='
$ V="y" env | grep -E '^V='
V=y
$ V="y" echo $V
x
# ANTI-FEATURES
## expansion
In normal shells:
$ X="a b" ; ls $X
ls: a: No such file or directory
ls: b: No such file or directory
$ X="a b" ; ls "$X"
ls: a b: No such file or directory
In our shell, one lexical token stays one lexical token.
In our shell, we exit on undefined variables
$ env | grep -E '^V='
$ V="x" echo $V
$ V="x"; echo $V
x
$ env | grep -E '^V='
$ V="y" env | grep -E '^V='
V=y
$ V="y" echo $V
x
# ANTI-FEATURES
## expansion
In normal shells:
$ X="a b" ; ls $X
ls: a: No such file or directory
ls: b: No such file or directory
$ X="a b" ; ls "$X"
ls: a b: No such file or directory
In our shell, one lexical token stays one lexical token.
In our shell, we exit on undefined variables