Living in the Shell #23; cut (Cut Text/Fields from Text Streams)

cut ✂️

Cuts/extracts text/fields out of text streams.

⚠️ Index values are one-based.

Cut characters on a range -c

echo "Hello World\!\nGoodbye\!" | cut -c2-5 

Takes characters at indices 2 through 5.

ello oodb 

Cut characters on a half-limited range -c

echo "Hello World\!\nGoodbye\!" | cut -c3- 

Takes characters from indices 3 and afterwards.

llo World! odbye! 

Cut fields split by any delimiter -f & -d

echo "1,20,300\n40,500,6000\n700,8000,90000" | cut -f2,3 -d',' 

20,300 500,6000 8000,90000 

Change fields delimiter --output-delimiter

echo "1,20,300\n40,500,6000\n700,8000,90000" | cut -f1- -d',' --output-delimiter '/' 

1/20/300 40/500/6000 700/8000/90000 

Invert selection --complement

echo "1,20,300\n40,500,6000\n700,8000,90000" | cut -f2,3 -d',' --complement 

1 40 700