I am getting this command not found
error in this code. I want to print first word of a sentence
First code (result needed= 1)
abc="1 hello world"; L=$($abc|awk '{print $1}'); echo $L
1: command not found
Second Code (result needed= mp4)
abc="mp4 hello world"; L=$($abc|awk '{print $1}'); echo $L
No command 'mp4' found, did you mean:
Command 'mpp' from package 'makepp' (universe)
Command 'mpy' from package 'yorick-mpy-mpich2' (universe)
Command 'mpy' from package 'yorick-mpy-openmpi' (universe)
Command 'mpc' from package 'mpc' (universe)
Command 'm4' from package 'm4' (main)
Command 'mp4h' from package 'mp4h' (universe)
Command 'mpv' from package 'mpv' (universe)
Command 'mpd' from package 'mpd' (universe)
Command 'mp' from package 'mp' (universe)
Command 'mpb' from package 'mpb' (universe)