Linux — Play with ASCII sort order by ls command

..UNDERSTAND.md

Play with ASCII sort order by ls command

Ref

http://www.asciitable.com/

Example script

create various kind of files

mkdir -p ./names

touch './names/"'
touch './names/#'
touch './names/+'

touch './names/...'
touch './names/....'

touch './names/0'
touch './names/1'
touch './names/2'

touch './names/ALICE'
touch './names/bob'
touch './names/CAROL'
touch './names/david'
touch './names/Eric'
touch './names/fred'

cd ./names/
ls -la -1
cd ../

rm -rf ./names

We found some files comes before current directory . and above directory.. . No we understood "dot directories" are nothing special, they just listed by ASCII order.

Output Exampple

"
#
+
.
..
...
....
0
1
2
ALICE
CAROL
Eric
bob
david
fred

.gist.title.txt

Play with ASCII sort order by ls command

.gist.url

https://gist.github.com/YumaInaura/cc41ab02c75fa55a2cf9679df4f26523

ascii.sh

#!/bin/bash -eu

# ## Ref
# http://www.asciitable.com/

# ## Example script

# create various kind of files

mkdir -p ./names

touch './names/"'
touch './names/#'
touch './names/+'

touch './names/...'
touch './names/....'

touch './names/0'
touch './names/1'
touch './names/2'

touch './names/ALICE'
touch './names/bob'
touch './names/CAROL'
touch './names/david'
touch './names/Eric'
touch './names/fred'

cd ./names/
ls -la -1
cd ../

rm -rf ./names

# We found some files comes before current directory `.` and above directory`..` .
# No we understood "dot directories" are nothing special, they just listed by ASCII order.

ascii.sh.log

"
#
+
.
..
...
....
0
1
2
ALICE
CAROL
Eric
bob
david
fred

run.sh

#!/bin/bash -eu

bash ascii.sh | tee ascii.sh.log

rm -f ..UNDERSTAND.md

echo "# " $(cat .gist.title.txt) >> ..UNDERSTAND.md
script2md ascii.sh >> ..UNDERSTAND.md

echo '## Output Exampple' >> ..UNDERSTAND.md
echo '```' >> ..UNDERSTAND.md
./ascii.sh >> ..UNDERSTAND.md
echo '```' >> ..UNDERSTAND.md