fukui-no-MacBook-Air:tmp ftakao2007$ brew install gnu-sed
Warning: Your Xcode (4.2.1) is outdated
Please install Xcode 4.6.1.
==> Downloading http://ftpmirror.gnu.org/sed/sed-4.2.2.tar.bz2
######################################################################## 100.0%==> ./configure --prefix=/usr/local/Cellar/gnu-sed/4.2.2 --program-prefix=g==> make install==> Caveats
The command has been installed with the prefix 'g'.
If you do not want the prefix, install using the 'default-names' option.
==> Summary
🍺 /usr/local/Cellar/gnu-sed/4.2.2: 8 files, 356K, built in 31 seconds
fukui-no-MacBook-Air:tmp ftakao2007$ which gsed
/usr/local/bin/gsed
fukui-no-MacBook-Air:tmp ftakao2007$ brew install gawk
Warning: Your Xcode (4.2.1) is outdated
Please install Xcode 4.6.1.
==> Installing gawk dependency: xz==> Downloading http://tukaani.org/xz/xz-5.0.4.tar.bz2
######################################################################## 100.0%==> ./configure --prefix=/usr/local/Cellar/xz/5.0.4
==> make install
🍺 /usr/local/Cellar/xz/5.0.4: 58 files, 1.5M, built in 23 seconds==> Installing gawk==> Downloading http://ftpmirror.gnu.org/gawk/gawk-4.0.2.tar.xz
######################################################################## 100.0%==> ./configure --prefix=/usr/local/Cellar/gawk/4.0.2
==> make==> make check==> make install
🍺 /usr/local/Cellar/gawk/4.0.2: 39 files, 1.5M, built in 26 seconds
fukui-no-MacBook-Air:tmp ftakao2007$ which gawk
/usr/local/bin/gawk