On Wed, Mar 21, 2018 at 9:44 PM, <sankarram...@gmail.com> wrote: > Hi, > > I have a requirement. > > cmd="cat <file>|grep -c 'if [ -t 1 ]; then mesg n 2>/dev/null; fi'" > > I need to escape only the square brackets in above variable since its not > grepping without escaping the brackets. > > Please help.
You're putting this into a Python script. Why not use Python to search the file instead of grep? That'd also eliminate the superfluous "cat file |" at the start. Python is not a shell language. You don't have to, and shouldn't, write everything by invoking other programs. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
