1 Invoke Mdoelsim
In order to open Modelsim automatically, it is better to use a shell script to invoke modelsim.
1 #!/bin/bash 2 # ---------------------------------------------------------------------------- 3 # invoke ModelSim 4 # ---------------------------------------------------------------------------- 5 6 if [ $# -eq 0 ]; then 7 cd ‘the working path of Modelsim‘ 8 vsim -gui& 9 elif [ $1 == "-h" ]; then 10 # questasim doc 11 evince /Software/AMS/current/questasim/v10.3b/docs/pdfdocs/_bk_questa_sim.pdf & 12 fi
2 Three types of quotes
1) doubel quotes (")
Anything enclose in doubel quote removed meaning of that chatracter(except \ and $)
2) single quotes (‘)
Enclosed in single quotes remains unchanged.
3) back quote (`)
To execute command.
1 $ echo "Today is date" 2 # Today is date 3 $ echo "Toaday is ‘date‘" 4 # Today is ‘date‘ 5 $ echo "Today is `date` 6 # Today is Fr 10. Jul 13:36:04 CEST 2015
原文：http://www.cnblogs.com/mengdie/p/4637054.html