Category: শেল প্রোগ্রামিং – Shell Programming

#!/bin/sh #count the number of files in current directory, and check if the number is equal to or greater than or less than 26 #NOF represents number of files NOF=`ls -l | wc -l` if [ $NOF -eq 26 ] then echo “No of files and directories is equal to 26” fi if [ $NOF …

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Example Output bash-3.2$ ./while-loop-example.sh Enter your Number 10 10 * 1 = 10 10 * 2 = 20 10 * 3 = 30 10 * 4 = 40 10 * 5 = 50 10 * 6 = 60 10 * 7 = 70 10 * 8 = 80 10 * 9 = 90 10 * …

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#!/bin/ksh # on every thursday and friday tar all contents of /etc folder into /export/home/shell/test/. On thursday only create a log file with the list of files #in the tar file. On thursday untar /export/home/shell/test/etc.tar into vfstab . Then log vfstab exist or not information DAY=`date +%a` DATESTAMP=`date +%m-%d-%Y-%H:%M` if [[ “$DAY” == Mon ]] …

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#!/bin/sh #If then else example #if elif else NOF=5 if [ $NOF -eq 27 ] then echo “No of files and directories = 27” elif [ $NOF -gt 27 ] then echo “No of files are dir are greator than 27” else echo “No of files and directories are less than 27” fi exit

bash-3.2$ cat ksh_case_example_1.sh #!/bin/ksh #show today’s day name DAY=`date +%a` #show value of $DAY echo $DAY #based on the value of the DAY variable show the day name in full format case “$DAY” in Mon) echo “Monday” ;; Tue) echo “Tuesday” ;; Wed) echo “Wednesday” ;; Thu) echo “Thursday” ;; Fri) echo “Friday” ;; Sat) …

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bash-3.2$ cat multiplication.sh #!/bin/bash # Example use of function/method declaration in Shell Programming # Example use of for loop #a function that will multiply 1 to 10 with 5 multiplication() { x=5 for i in {1..10} do echo $i echo “the multiplication result is:” $(($i*$x)) done } echo “Print 1 to 10; also multiply each …

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Example Output: 10 * 1 = 10 10 * 2 = 20 10 * 3 = 30 10 * 4 = 40 10 * 5 = 50 10 * 6 = 60 10 * 7 = 70 10 * 8 = 80 10 * 9 = 90 10 * 10 = 100 ———————————- #!/bin/bash multi() …

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#!/bin/sh #find all currently running shells and create in full listing form for them . Log the data into a file in every 30 secs # -e means currentl running # -f means full format output # sleep takes parameters in seconds ps -ef | grep shell >> process.log sleep 30 ps -ef | grep …

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ফলাফল bash-3.2$ ./ksh_case_chart.sh Enter your Number 9 9 * 1 = 9 9 * 2 = 18 9 * 3 = 27 9 * 4 = 36 9 * 5 = 45 9 * 6 = 54 9 * 7 = 63 9 * 8 = 72 9 * 9 = 81 9 * 10 …

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Example Output: 10 * 1 = 10 10 * 2 = 20 10 * 3 = 30 10 * 4 = 40 10 * 5 = 50 10 * 6 = 60 10 * 7 = 70 10 * 8 = 80 10 * 9 = 90 10 * 10 = 100 ———————————- #!/bin/bash multi() …

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