definition of shell:
-sharp!/bin/bash
res=`2222222222 | md5sum | cut -d " " -f1`
echo "res: " ${res}
write in a file and run the result as follows:
./sh-test.sh: line 3: 2222222222: command not found
res: d41d8cd98f00b204e9800998ecf8427e
I"d like to ask why you prompted command not found?.