Shell Programming and Scripting

^[[1mtl21ss01^[[0m 
^[[1mtl21ss02^[[0m 
^[[1mtl21ss03^[[0m

tl21ss01 
tl21ss02 
tl21ss03 

 awk -F"[" '{print $3}' <filename> | tr -d '1m' | tr -d '^'

0 
0 
0

 
perl -ne 's/\^.{1,7}?m//g;print' < input.txt > out.txt

sed 's/.\[[01]m//g' infile

sed 's/.\[[0-9]\{1,\}m//g' infile

perl -ne 's/\e\[\d+m//g;print' < input.txt > output.txt

perl -ne 's/\e\[\d+m//g;print' < input.txt > output.txt