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view ifndef_wrapper.sh @ 1533:2e9b6d9c7e7d

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clarify that -r skips default hostkeys
author Matt Johnston <matt@ucc.asn.au>
date Thu, 22 Feb 2018 21:57:47 +0800
parents 198e2ee0f4b1
children 0196f4f83fee
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#!/bin/sh

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

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