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On Sunday 28 February 2010, Stroller wrote: |
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> If I want to automagically replace text in a file, I can use `sed`. I don't |
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> believe that `sed` can be invoked in such a way to change the file in |
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> place, therefore two commands are necessary: |
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> |
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> $ sed 's/Project Gutenberg/Wordsworth Classics/' foo > bar |
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> $ mv bar foo |
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> $ |
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Have a look at sed's "-i" option. |
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> Using `grep` I can search *recursively* through directories to find the |
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> text I'm looking for. EG: `grep -R Gutenberg ~` |
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> |
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> I would like to find every instance of $foo in a directory hierarchy and |
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> replace it with $bar. |
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> |
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> Is there any tool that will combine all these operations for me? |
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> |
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> If not, what is the best way to string together grep and sed so that |
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> they'll do what I want? |
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A starting point could be (after you make a backup of the whole tree) |
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find /basedir -type f -exec sed -i 's/foo/bar/g' {} + |
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