SaltyCrane Blog

Notes on Python, Django, and web development on Ubuntu Linux

Date: March 11, 2010 | Modified: Dec. 2, 2011 | Tags: linux, notestoself

curl http://example.com/path/to/blah.tar.gz | tar xz

Assume GNU sed

$ sed -i".bak" '/pattern to match/d' filename.txt

$ for filepath in $( find . -name '*.yaml' ); do sed -i '/pattern to match/d' $filepath; done

~~$ find . -size -0 | xargs rm~~

$ find . -empty -type f | xargs rm

$ for dirname in $( ls ); do grep -E '(pattern of lines to keep)' "$dirname/common_filename.csv" > "../tmp/${dirname}_common_filename.csv"; done

$ echo "Subject: test from eliot" | sendmail -v eliot@truecar.com

$ for i in `seq 19 30`; do mkdir "201111$i"; done


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