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view ifndef_wrapper.sh @ 1611:0196f4f83fee

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avoid extended regex features to avoid caring about sed -r vs -E
author Matt Johnston <matt@ucc.asn.au>
date Tue, 24 Jul 2018 20:19:05 +0800
parents 198e2ee0f4b1
children
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line source

#!/bin/sh

# Wrap all "#define X Y" with a #ifndef X...#endif"

sed 's/^\( *#define \([^ ][^ ]*\) .*\)/#ifndef \2\
\1\
#endif/'