how to use lex and yacc?plz help..

dawg0x0 · #1 5th May 2009, 07:46 AM

how do I use lex and yacc on Fedora10 .
i am getting this message
bash: lex: command not found.
plz help me.
thanks a lot in advance.

aleph · #2 5th May 2009, 08:20 AM

yum install flex bison
flex -- GNU implementation of lex
bison -- GNU YACC

madhureshjha · #3 9th June 2009, 05:51 PM

hay.. but in this only lex is wroking.. yacc is not working...

pankajp · #4 9th June 2009, 06:22 PM

use

Code:

bison -y <filename>

for yacc

***bob*** · #5 9th June 2009, 08:22 PM

(moved to General Support)

manhh · #6 10th June 2009, 04:42 AM

mark this topic.

Kasun Peiris · #7 13th February 2010, 03:28 PM

I am new to the UNIX environment and I am running Fedora 9 in a virtual machine. But for some reason internet connection is unavailable for the VM. I do not have lex and yacc (flex and bison) installed in Fedora and I would like to know how to install both of them (Offline of course).

abhik5443 · #8 29th October 2010, 04:39 AM

got error while instlling lex nd yacc in fedora13
after few days my xams r their,
pl help??????????????????

[root@localhost abhinav]# yum install flex bison
Loaded plugins: presto, refresh-packagekit
Error: Cannot retrieve repository metadata (repomd.xml) for repository:
fedora. Please verify its path and try again
[root@localhost abhinav]#