Print 3. col
awk '{ print $3 }
Find every file modified at 2.8.2015
find . -type f -newermt 2015-8-02 ! -newermt 2015-08-03
Replace the 4. line in every tfw file inplace with "-0.2"
for i in *.tfw; do sed -i '4 c-0.2' $i; done
For every jpeg2000 image, resize and convert it to an compressed tif image.
Replace file extention ".jp2" with ".tif" and use this as output file.
for i in *jp2; do convert -resize 1000x1000 $i -compress lzw correctedWorldfile/`basename -z $i .jp2 ;echo ".tif"`; done
Print only every 10. line starting with the first one
sed -n 1~10p in.dat > out.dat
Replace character | with a whirespace
tr '|' ' ' < a.xyz > b.xyz
Compiler Hersteller ermitteln
+ifeq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1) +endif
stdout -> Datei umleiten
programm > Datei.txt
stderr -> Datei umleiten
programm 2> Datei.txt
stdout UND stderr -> Datei umleiten
programm &> Datei.txt
stdout -> stderr
programm 1>&2
stderr -> stdout
programm 2>&1