stat243-bash

stat243-bash.txt

1. mypython=$(which python)

2. myvar=$(hostname)@$(whoami)

3. mkdir -p temp/proj{1..3}/{code,data}

4. wc -l FILE

5. 
#first 3 lines in file
head -n 3 FILE
#3rd line in file
sed -n '3p' FILE

6. sed -n '3p' FILE >> NEWFILE

7. sed -n '5p' FILE >> NEWFILE

8.
# download data
curl https://raw.githubusercontent.com/berkeley-scf/tutorial-using-bash/master/cpds.csv > cpds.csv
# take out australia
awk -F "\"*,\"*" '$2=="Australia" {print $0}' cpds.csv >> cpds_australia.csv

9. grep -v "," FILE

10.
#!/bin/bash
touch file{1..3}.txt
echo blah | tee file{1..3}.txt