sarken : faq

sarken

Remove all newlines

cat file.txt | tr -d '\n' > newfile.txt

Chop the last character of a file

head -c -1 file.txt

From line m to end of file

tail +m file.txt

sed -n 'm,$p' file.txt > file.new.txt

Exec'ing a command with find

find . -name "pattern" -exec cmd {} \;

Size of a file without using ls

stat -s "%s %N" file.txt

Rename file extensions using sh and sed

ls *.mp3 | sed 's/\(.\)\.mp3/mv "\1.mp3" "\1.m4a"/' | sh

Back to back tar via ssh

tar cf - files | ssh sarken.org "(cd /home/gord/tmp; tar xf -)"

Comparing two binary files byte by byte

cmp -lb file1 file2

Adding up a text file containing numbers

cat file.txt | awk '{total+=$0}END{print total}'