[Buildroot] [PATCH] support/scripts: tool to create fragments

[Yann E. MORIN]

Matt, Sam, All,

On 2016-10-26 23:17 +0200, Yann E. MORIN spake thusly:
> On 2016-10-25 15:01 -0500, Matt Weber spake thusly:
> > From: Sam Voss <samuel.voss at rockwellcollins.com>
> > Add script to create kconfig fragment; defaults to busybox fragment if
> > only one config is specified (compares to package/busybox/busybox.config).
[--SNIP--]
> But we can do it much more simply, in a single command. Your script
> would be just (without even a requirement for bash):
> 
>     #!/bin/sh
> 
>     usage() {
>         cat <<-_EOF_
>         Blabla
>         _EOF_
>     }
> 
>     [ ${#} -eq 2 ] || { usage; exit 1; }
>     [ -f "${1}" ]  || { usage; exit 1; }
>     [ -f "${2}" ]  || { usage; exit 1; }
> 
>     comm -23 <( sed -r -e 's/ /_S_P_A_C_E_/g' "${FirstConfig}"  |sort -d ) \
>              <( sed -r -e 's/ /_S_P_A_C_E_/g' "${SecondConfig}" |sort -d ) \
>     |sed -r -e 's/_S_P_A_C_E_/ /g'

Of course, you would already noticed that you would have to replace
${FirstConfig} with ${1} and ${SecondConfig} with ${2}. ;-)

Regards,
Yann E. MORIN.

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