104-pipes.md

Pipes and redirects

cat filename | less

# what is a paginator?
man less

# read about "standard input" and "standard output"
echo "hello world"
echo "hello world" > test.txt
echo "hello world 2" > test.txt
echo "hello world 3" >> test.txt

# what does the -e flag do?
# research "backslash escape"
echo -e "hello\nworld!" >> test.txt

# save your session!
history
history | tail -5
history | tail -5 >> history-dump.txt
wc -l < history-dump.txt >

# somewhat more advanced
# how to sudo a file with tee pipe fit
# tee -a appends
echo "change stuff" | sudo tee -a donottouch.txt