Bash for loops
Don't do:
for i in `ls *.txt`; do echo $i; done;
When you can do it the correct way:
for i in *.txt; do echo $i; done;
Don't do:
for i in `ls *.txt`; do echo $i; done;
When you can do it the correct way:
for i in *.txt; do echo $i; done;