QS之shell script

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 # ----------------------------------------------------------------------------

 if [ $# -eq  ]; then
     cd '01_Project/02_Project_Name/02_DIGITAL/02_modelsim' 　　# the working path of Modelsim
     vsim -gui&
 elif [ $ == "-h" ]; then
     # questasim doc
     evince /Software/AMS/current/questasim/v10.3b/docs/pdfdocs/_bk_questa_sim.pdf &
 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.

 $ echo "Today is date"
2 # Today is date
 $ echo "Toaday is 'date'"
4 # Today is 'date'
 $ echo "Today is `date`"
6 # Today is Fr 10. Jul 13:36:04 CEST 2015