9
votes
2answers
615 views

Why is wc so slow?

Why is the wc utility so slow? When I run it on a large file, it takes about 20 times longer than md5sum: MyDesktop:/tmp$ dd if=/dev/zero bs=1024k count=1024 of=/tmp/bigfile 1024+0 records in 1024+0 ...
1
vote
1answer
301 views

Speeding a find rm command with test through parallelization

I want to recursively delete all files in directories and subdirectories with number of lines less than 10, and am currently using the following command find . -type f -name "*.txt" | while read; do ...