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← linux

Redirection in Linux

July 17, 2014

Redirection Basics

Output umleiten:

code
ls -al > listing.txt

> ueberschreibt die Datei. >> haengt an:

code
echo "hello" >> hello.txt

Input

code
wc -l < listing.txt

Stdout vs Stderr

  • Stdout = FD 1
  • Stderr = FD 2
code
command > out.txt 2> err.txt
command > out.txt 2>&1
command &> all.txt

Tipp

Wenn du sowohl Log als auch Errors brauchst: erst > dann 2>&1.

Link