linux command help

[indiandomain]

have a txt file of dictionary words on my server.

need to extract only those with 5 letters or less...is it possible using some linux command?

i tried grep but it doesnt work.

thanks
sam

[mm1220]

Is each word on a new line?

[indiandomain]

yes
like

amazon
people
love
#*$!
purple

.
.
.

[nalin]

try sed:

sed 's/^.\{6,\}$//' < filename.txt

This kill all lines containing 6 or more charicters (prints to stdout, does not modify the original file)

[mcavic]

grep -v '......' file.txt

will remove any lines that have at least 6 characters.