senthilnayagam / gsub

using ruby gsub in shell scripts

gsub

using ruby gsub in shell scripts

install

requires ruby, which comes preinstalled with almost all osx or linux operating systems

move the gsub file to a path which is loaded by your OS and make it executable

mv gsub /usr/bin

chmod +x gsub

usage examples

open a new terminal and run the gsub command without arguments

gsub

no arguments provided

Usage: gsub: find replace

echo "Hello World"

Hello World

echo "Hello World" | gsub World Universe

Hello Universe

echo "Hello World" | gsub World Universe | gsub 'Universe' 'Universe!'

Hello Universe!

todo

• regular expressions
• version number
• process files