{"id":65685,"date":"2021-07-11T04:10:05","date_gmt":"2021-07-11T08:10:05","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/recent-posts\/a-basic-shell-program-linux-unix-shell-programming-001\/"},"modified":"2021-07-11T04:10:05","modified_gmt":"2021-07-11T08:10:05","slug":"a-basic-shell-program-linux-unix-shell-programming-001","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=65685","title":{"rendered":"A Basic Shell Program #Linux\/Unix: Shell Programming – 001"},"content":{"rendered":"

#!\/bin\/sh<\/p>\n

#if enabled – will spit out the script to the screen
\n#set -v<\/p>\n

#clear the screen
\nclear<\/p>\n

echo “SCRIPT BEGINS”<\/p>\n

#shows current login name
\necho “Hello $LOGNAME”<\/p>\n

#shows current date in the same line
\necho “Todays date is: c”
\ndate +%m\/%d\/%y<\/p>\n

#shows current time in the same line
\necho “and the current time is: c”
\ndate +%H:%M:%S%n<\/p>\n

#shows a list of the processes
\necho “Now a list of the processes in the current shell”
\nps<\/p>\n

echo “SCRIPT FINISHED!!”<\/p>\n

#example of how to use a variable
\nNAME=”Justetc”
\necho $NAME
\n——————————————–
\nOutput – ????????? ?? ?????<\/p>\n

SCRIPT BEGINS
\nHello shell
\nTodays date is: 04\/15\/18
\nand the current time is: 14:46:43<\/p>\n

Now a list of the processes in the current shell
\nPID TTY TIME CMD
\n14522 pts\/2 0:00 bash
\n14590 pts\/2 0:00 a_basic_
\n14595 pts\/2 0:00 ps
\n14508 pts\/2 0:00 sh
\nSCRIPT FINISHED!!
\nJustetc From: http:\/\/sitestree.com\/?p=12175
Categories:Linux\/Unix: Shell Programming – 001
Tags:
Post Data:2018-04-16 18:09:14<\/p>\n

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#!\/bin\/sh #if enabled – will spit out the script to the screen #set -v #clear the screen clear echo “SCRIPT BEGINS” #shows current login name echo “Hello $LOGNAME” #shows current date in the same line echo “Todays date is: c” date +%m\/%d\/%y #shows current time in the same line echo “and the current time is: … <\/p>\n

Continue reading<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1917],"tags":[],"class_list":["post-65685","post","type-post","status-publish","format-standard","hentry","category-fromsitestree-com","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":14136,"url":"http:\/\/bangla.sitestree.com\/?p=14136","url_meta":{"origin":65685,"position":0},"title":"\u098f\u0995\u099f\u09bf \u09ac\u09c7\u09b8\u09bf\u0995 \u09b6\u09c7\u09b2 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae","author":"Sayed","date":"April 15, 2018","format":false,"excerpt":"#!\/bin\/sh #if enabled - will spit out the script to the screen #set -v #clear the screen clear echo \"SCRIPT BEGINS\" #shows current login name echo \"Hello $LOGNAME\" #shows current date in the same line echo \"Todays date is: \\c\" date +%m\/%d\/%y #shows current time in the same line echo\u2026","rel":"","context":"In "\u09b6\u09c7\u09b2 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0982 - Shell Programming"","block_context":{"text":"\u09b6\u09c7\u09b2 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0982 - Shell Programming","link":"http:\/\/bangla.sitestree.com\/?cat=1888"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":65722,"url":"http:\/\/bangla.sitestree.com\/?p=65722","url_meta":{"origin":65685,"position":1},"title":"Topic 1: Basic Date Displaying Shell Script #Linux\/Unix: Shell Programming – 001","author":"Author-Check- Article-or-Video","date":"July 12, 2021","format":false,"excerpt":"bash-3.2$ cat echoscript1.sh #!\/bin\/sh #clear echo \"SCRIPT BEGINS\" echo \"Hello $LOGNAME\" echo echo \"Todays date is: c\" date '+%m\/%d\/%y' echo \"and the current time is: c\" date '+%H:%M:%S%n' echo \"Now a list of the processes in the current shell\" ps echo \"SCRIPT FINISHED!!\" bash-3.2$ .\/echoscript1.sh SCRIPT BEGINS Hello shell Todays\u2026","rel":"","context":"In "FromSitesTree.com"","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":65728,"url":"http:\/\/bangla.sitestree.com\/?p=65728","url_meta":{"origin":65685,"position":2},"title":"Topic 2: Example: Comments in Shell Scripts #Linux\/Unix: Shell Programming – 001","author":"Author-Check- Article-or-Video","date":"July 12, 2021","format":false,"excerpt":"bash-3.2$ cat scriptwithcomments.sh #!\/bin\/sh # This script clears the window, greets the user, # and displays the current date and time. #clear # Clear the window echo \"SCRIPT BEGINS\" echo \"Hello $LOGNAME!\" # Greet the user echo echo \"Todays date and time: c\" date # Display current date and time\u2026","rel":"","context":"In "FromSitesTree.com"","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":65724,"url":"http:\/\/bangla.sitestree.com\/?p=65724","url_meta":{"origin":65685,"position":3},"title":"Korn Shell Example: Show Dates #Linux\/Unix: Shell Programming – 001","author":"Author-Check- Article-or-Video","date":"July 12, 2021","format":false,"excerpt":"bash-3.2$ cat echoscript2.ksh #!\/bin\/ksh #clear print \"SCRIPT BEGINS\" print \"Hello $LOGNAME\" print print -n \"Todays date is: \" date '+%m\/%d\/%y' print -n \"and the current time is: \" date '+%H:%M:%S%n' print \"Now a list of the processes in the current shell\" ps print \"SCRIPT FINISHED!!\" bash-3.2$ .\/echoscript2.ksh SCRIPT BEGINS Hello\u2026","rel":"","context":"In "FromSitesTree.com"","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":65730,"url":"http:\/\/bangla.sitestree.com\/?p=65730","url_meta":{"origin":65685,"position":4},"title":"Topic 2: Example: Debug a Script #Linux\/Unix: Shell Programming – 001","author":"Author-Check- Article-or-Video","date":"July 12, 2021","format":false,"excerpt":"Example debugging a Script \u00a0 bash-3.2$ sh -x scriptwithcomments.sh + echo SCRIPT BEGINS SCRIPT BEGINS + echo Hello shell! Hello shell! + echo + echo Todays date and time: c Todays date and time: + date Fri Apr 27 09:16:29 EDT 2018 + echo mynum=21 myday=Monday + echo The value\u2026","rel":"","context":"In "FromSitesTree.com"","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":65726,"url":"http:\/\/bangla.sitestree.com\/?p=65726","url_meta":{"origin":65685,"position":5},"title":"Topic 2: Logname, Date Time, Shell Script #Linux\/Unix: Shell Programming – 001","author":"Author-Check- Article-or-Video","date":"July 12, 2021","format":false,"excerpt":"bash-3.2$ cat firstscript.sh #!\/bin\/sh #clear echo \"SCRIPT BEGINS\" echo \"Hello $LOGNAME!\" echo echo \"Today's date and time: c\" date echo mynum=21 myday=\"Monday\" echo \"The value of mynum is $mynum\" echo \"The value of myday is $myday\" echo echo \"SCRIPT FINISHED!!\" echo bash-3.2$ .\/firstscript.sh SCRIPT BEGINS Hello shell! Today's date and\u2026","rel":"","context":"In "FromSitesTree.com"","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/65685","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=65685"}],"version-history":[{"count":0,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/65685\/revisions"}],"wp:attachment":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=65685"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=65685"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=65685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}