Created
February 7, 2011 22:44
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i want to have the same thing for dinner
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| # pack lunch | |
| echo "i like tacos" > lunch.txt | |
| # pack dinner | |
| echo "i like burritos" > dinner.txt | |
| # generate ed-style diff | |
| diff -e dinner.txt lunch.txt > order.ed | |
| # add a write to the end of the diff | |
| echo 'w' >> order.ed | |
| # make dinner | |
| ed - dinner.txt < order.ed |
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http://docs.freebsd.org/info/diff/diff.info.ed_Scripts.html