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initialise variable to stop warning
author Matt Johnston <matt@ucc.asn.au>
date Thu, 28 May 2020 22:02:03 +0800
parents 0196f4f83fee
children
line wrap: on
line source

#!/bin/sh

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

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