Programming Forums > Script Programming > Bash / Shell Scripting

satimis · Aug 8th, 2005, 10:28 PM

Hi folks,

I'm prepared to write a simple script to execute 20+ commands and could not figure out how to make use of "loop" subject to certain conditions.

If without conditions

(Toggle Plain Text)

#!/bin/bash

cmd1="code1" #the exact/full command
cmd2="code2" #the exact/full command
cmd3="code3" #the exact/full command
etc.

     cmd1 || exit 1
     cmd2 || exit 2
     cmd3 || exit 3
     ...
     cmdn || exit n
     echo "Build environment entered!"
exit 0

It will be a long script. Please advise how to apply "loop" to shorter the script executing all command subject to following conditions

1) All commands except cmd3 should have no output. If there is any it needs to confirm either to continue OR to exit the shell

2) cmd3 should have "/mnt/lfs" output. If no output OR empty output the shell should exit, not continue executing further commands

TIA

satimis

Aug 8th, 2005, 10:28 PM	#1
satimis Newbie Join Date: Oct 2004 Posts: 17 Rep Power: 0	A simple script to execute a command package Hi folks, I'm prepared to write a simple script to execute 20+ commands and could not figure out how to make use of "loop" subject to certain conditions. If without conditions (Toggle Plain Text) #!/bin/bash cmd1="code1" #the exact/full command cmd2="code2" #the exact/full command cmd3="code3" #the exact/full command etc. cmd1 \|\| exit 1 cmd2 \|\| exit 2 cmd3 \|\| exit 3 ... cmdn \|\| exit n echo "Build environment entered!" exit 0 #!/bin/bash cmd1="code1" #the exact/full command cmd2="code2" #the exact/full command cmd3="code3" #the exact/full command etc. cmd1 \|\| exit 1 cmd2 \|\| exit 2 cmd3 \|\| exit 3 ... cmdn \|\| exit n echo "Build environment entered!" exit 0 It will be a long script. Please advise how to apply "loop" to shorter the script executing all command subject to following conditions 1) All commands except cmd3 should have no output. If there is any it needs to confirm either to continue OR to exit the shell 2) cmd3 should have "/mnt/lfs" output. If no output OR empty output the shell should exit, not continue executing further commands TIA satimis

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Programming Forums > Script Programming > Bash / Shell Scripting

A simple script to execute a command package