Messages in this thread | | | From | David Laight <> | Subject | RE: [PATCH 05/15] kbuild: build init/built-in.a just once | Date | Wed, 14 Sep 2022 09:46:08 +0000 |
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... > > +VERSION=$(cat .version) 2>/dev/null && > > +VERSION=$(expr $VERSION + 1) 2>/dev/null || > > +VERSION=1
What's wrong with: VERSION=$(($(cat .version 2>/dev/null) + 1))
If you are worried about .version not containing a valid number and $((...)) failing then use ${VERSION:-1} later.
David
- Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)
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