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0

I am analyzing the following script (init script for ptpd2 deamon):

#!/bin/sh

#

# Start ptpd2

#



case "$1" in

  start)

        printf "Starting ptpd2: "

        start-stop-daemon -S -q -x /usr/sbin/ptpd2 -- -g -i eth0 -s  

        if [ $? != 0 ]; then

                echo "FAILED"

                exit 1

        else

                echo "OK"

        fi

        ;;

  stop)

        printf "Stopping ptpd2: "

        start-stop-daemon -K -q -x /usr/sbin/ptpd2

        echo "OK"

        ;;

  restart|reload)

        ;;

  *)

        echo "Usage: $0 {start|stop|restart}"

        exit 1

esac



exit $?

What does start), stop) mean? What kind of constraction is this? A function without arguments maybe?

bash

share

asked 3 mins ago

AndyAndy

11

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  part of the case structure, started with case and ending at the esac (case backwards) line. It controls execution by the "$1" ...
  
  – guiverc
  38 secs ago
  

  
  
  
  

add a comment | 

0

I am analyzing the following script (init script for ptpd2 deamon):

#!/bin/sh

#

# Start ptpd2

#



case "$1" in

  start)

        printf "Starting ptpd2: "

        start-stop-daemon -S -q -x /usr/sbin/ptpd2 -- -g -i eth0 -s  

        if [ $? != 0 ]; then

                echo "FAILED"

                exit 1

        else

                echo "OK"

        fi

        ;;

  stop)

        printf "Stopping ptpd2: "

        start-stop-daemon -K -q -x /usr/sbin/ptpd2

        echo "OK"

        ;;

  restart|reload)

        ;;

  *)

        echo "Usage: $0 {start|stop|restart}"

        exit 1

esac



exit $?

What does start), stop) mean? What kind of constraction is this? A function without arguments maybe?

bash

share

asked 3 mins ago

AndyAndy

11

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  part of the case structure, started with case and ending at the esac (case backwards) line. It controls execution by the "$1" ...
  
  – guiverc
  38 secs ago
  

  
  
  
  

add a comment | 

I am analyzing the following script (init script for ptpd2 deamon):

#!/bin/sh

#

# Start ptpd2

#



case "$1" in

  start)

        printf "Starting ptpd2: "

        start-stop-daemon -S -q -x /usr/sbin/ptpd2 -- -g -i eth0 -s  

        if [ $? != 0 ]; then

                echo "FAILED"

                exit 1

        else

                echo "OK"

        fi

        ;;

  stop)

        printf "Stopping ptpd2: "

        start-stop-daemon -K -q -x /usr/sbin/ptpd2

        echo "OK"

        ;;

  restart|reload)

        ;;

  *)

        echo "Usage: $0 {start|stop|restart}"

        exit 1

esac



exit $?

What does start), stop) mean? What kind of constraction is this? A function without arguments maybe?

bash

share

asked 3 mins ago

AndyAndy

11

#!/bin/sh

#

# Start ptpd2

#



case "$1" in

  start)

        printf "Starting ptpd2: "

        start-stop-daemon -S -q -x /usr/sbin/ptpd2 -- -g -i eth0 -s  

        if [ $? != 0 ]; then

                echo "FAILED"

                exit 1

        else

                echo "OK"

        fi

        ;;

  stop)

        printf "Stopping ptpd2: "

        start-stop-daemon -K -q -x /usr/sbin/ptpd2

        echo "OK"

        ;;

  restart|reload)

        ;;

  *)

        echo "Usage: $0 {start|stop|restart}"

        exit 1

esac



exit $?

share

asked 3 mins ago

AndyAndy

11

share

asked 3 mins ago

AndyAndy

11

asked 3 mins ago

AndyAndy

11

asked 3 mins ago

AndyAndy

11