bidon.ca · Jun 4, 2021

Bash, sed, awk

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Awk 1 ps ax| awk '{ print $1 ' ' $5 }' Compter les occurences:
1 awk ' {foo[$4]++} END {for (f in foo) { print f , foo[f] }}' < test-did Sed Utilisation de “backreferences”:
1 echo 'abc123' | sed 's/$.*$$123$/\2\1/' Scripts bash 1 2 3 4 5 6 ${VAR:-text if $VAR is empty} ${VAR:=text if $VAR is empty and set VAR to this} ${VAR:+text if $VAR is set} ${#VAR} -> length of $VAR…

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