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Full Discussion: Call one bash file from another bash file.
Top Forums Shell Programming and Scripting Call one bash file from another bash file. Post 302999532 by emmfranklin on Thursday 22nd of June 2017 09:03:19 AM
Old 06-22-2017
Call one bash file from another bash file.
hi .. greetings ...i need help in bash programming. i am on linux mint.

i have two .sh files.(netcheck.sh and dlinkreboot.sh).. please note . both bash files are working perfectly well independently... but cant work together. . in short i want one bash file to call the other bash file automatically and then the control should come back to the first bash file.
the first file (netcheck.sh) detects if internet is active or gone offline. (it checks every few seconds. if internet is dead then it should call upon the second bash file.
the second file (dlinkreboot.sh) reboots the router. (rebooting the router brings the internet back online)

either you show me how to do this or

show me how both contents can be added in one single file. i tried copy pasting but it doesnt work.
both bash files have different first line (i guess its called the header)
the first one netcheck.sh has this ... #!/bin/bash

the second one dlinkreboot.sh has this ....#!/usr/bin/expect -f

these two headers dont not seem to like each other.

i dont know much about bash programming but using my rusted c++ skills that i studied 16 years back.
********************************************************************************************
This is the content of the first bash file. .. netcheck.sh to check whether net is active or not .

Code:
#!/bin/bash

downTime=0
lastAccessTime=$(date +"%s")
while [ true ]; do
if ! ping -c1 google.com >& /dev/null; then
    downTime=$(( $(date +"%s") - $lastAccessTime ))
else
    downTime=0
    lastAccessTime=$(date +"%s")
    echo "online"
    sleep 2
    date
fi

if [ $downTime -ge 10 ]; then
   echo "no internet"
   sleep 2
   echo "trying to reset modem"

/bin/bash dlinkreboot.sh

fi
done

********************************************************************************

the second bash dlinkreboot.sh is this

Code:
#!/usr/bin/expect -f
 
set timeout 20
 
# router user name and password are identical
set name "admin"
 
# router exit
set name "reboot"
 
# router IP address
set routerip "192.168.254.1"
 
# Read command as arg to this script
#set routercmd [lindex $argv 0]
 
# start telnet
spawn telnet $routerip
sleep 1
 
# send username as admin
expect "Login:"
send -- "admin\r"
sleep 1
# send password as admin
expect "Password:"
send -- "admin\r\r"

# send reboot command
sleep 1

expect *>*
send -- "\r"
expect *>*
send -- "reboot\r"
expect *>*
send -- "\r"
expect *>*
send -- "logout\r"
sleep 70
exit

******************************************************************
Last edited by rbatte1; 06-22-2017 at 12:45 PM.. Reason: Changed ICODE tags to CODE tags
 

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LEARN ABOUT CENTOS

bashbug-64

BASHBUG(1)						      General Commands Manual							BASHBUG(1)

NAME

       bashbug - report a bug in bash

SYNOPSIS

       bashbug [--version] [--help] [email-address]

DESCRIPTION

       bashbug	is  a shell script to help the user compose and mail bug reports concerning bash in a standard format.	bashbug invokes the editor
       specified by the environment variable EDITOR on a temporary copy of the bug report format outline. The user must fill  in  the  appropriate
       fields  and  exit  the  editor.	 bashbug  then	mails the completed report to bug-bash@gnu.org, or email-address.  If the report cannot be
       mailed, it is saved in the file dead.bashbug in the invoking user's home directory.

       The bug report format outline consists of several sections.  The first section provides information about the  machine,	operating  system,
       the  bash  version, and the compilation environment.  The second section should be filled in with a description of the bug.  The third sec-
       tion should be a description of how to reproduce the bug.  The optional fourth section is for a proposed fix.  Fixes are encouraged.

ENVIRONMENT

       bashbug will utilize the following environment variables if they exist:

       EDITOR Specifies the preferred editor. If EDITOR is not set, bashbug defaults to emacs.

       HOME   Directory in which the failed bug report is saved if the mail fails.

       TMPDIR Directory in which to create temporary files and directories.

SEE ALSO

       bash(1)

AUTHORS

       Brian Fox, Free Software Foundation
       bfox@gnu.org

       Chet Ramey, Case Western Reserve University
       chet@po.cwru.edu

GNU Bash-4.0							   1998 July 30 							BASHBUG(1)
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