forked from vincent/notebook
72 lines
891 B
Markdown
72 lines
891 B
Markdown
# shell
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## tips
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- setter IFS au retour chariot
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```IFS=$'\n'```
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## boucle
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```bash
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for var in $variable
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do
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commande
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done
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```
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## if
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```bash
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if [ test ]; then
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echo "C'est vrai"
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else
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echo "c'est faux"
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fi
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```
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### test
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#### string
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|test|def|
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|----|---|
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|$a = j$b|egale|
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|$a != $b|different|
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|-z $a|est vide|
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|-n $a|est non vide|
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#### int
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|test|def|
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|----|---|
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|$a -eq $b|egale|
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|$a -ne $b|non egale|
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|$a -lt $b| < |
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|$a -le $b| <= |
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|$a -gt $b| >|
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|$a -ge $b| >= |
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#### file
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|test|def|
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|----|---|
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|-e $a|exist|
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|-d $a |is directory|
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|-f $a | is file|
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|-L $a | is symbolic link|
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|-r -w -x | test permition|
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|$a -nt $b| $a plus récent|
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|$a -ot $b| $a plus vieux|
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## Supprimer les Dossiers contenant 1 élement
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```bash
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IFS=$'\n';for i in $(ls) do ✔ 10022 18:29:32
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if [ $(ls $i|wc|awk '{print $1}') = 1 ]
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then
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rm -r $i
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fi
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```
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