[*] /tmp/work/lang/chezscheme/work/.tools/bin/egrep 'i386|i686|amd64|athlon|x86_64'
<.> /usr/xpg4/bin/grep -E 'i386|i686|amd64|athlon|x86_64'
[*] /tmp/work/lang/chezscheme/work/.tools/bin/egrep 'amd64|x86_64|aarch64|arm64|ppc64|powerpc64|riscv64|loongarch64'
<.> /usr/xpg4/bin/grep -E 'amd64|x86_64|aarch64|arm64|ppc64|powerpc64|riscv64|loongarch64'
[*] /tmp/work/lang/chezscheme/work/.tools/bin/egrep aarch64
<.> /usr/xpg4/bin/grep -E aarch64