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Unknowingly ran an infinite loop in terminal
Difference between the terminal file and the terminal screenWhy does reading from two connected pty's cause an infinite loop?Pushdown Terminal OutputCan the empty spaces/background in a terminal be replaced with a random(but pretty) pattern of ASCII characters?Posix command that moves cursor to specific position in terminal windowHow to disable vcstimeCannot terminate for loop in terminalTerminal vs Terminal emulatorTerminal: remember working directoryStopping infinit loop from php script run in linux terminal
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
I copied the below code from some random source to my terminal and ran:
while sleep 1;
do tput sc;
tput cup 0 $(($(tput cols)-29));
date;
tput rc;
done &
The code is to show a running clock at the top right corner of the terminal. The snippet worked very well and exactly did what I wanted it to, but now I just want to end this loop and get rid of the clock.
Also, I need to understand the above code. I've some idea, as I know what tput command does, but still there're many dots which I'm not able to connect.
terminal
edited May 1 at 8:37
Rui F Ribeiro
42.7k1486146
asked Apr 30 at 20:42
Kartik ChauhanKartik Chauhan
1565
|
show 1 more comment
I copied the below code from some random source to my terminal and ran:
while sleep 1;
do tput sc;
tput cup 0 $(($(tput cols)-29));
date;
tput rc;
done &
The code is to show a running clock at the top right corner of the terminal. The snippet worked very well and exactly did what I wanted it to, but now I just want to end this loop and get rid of the clock.
Also, I need to understand the above code. I've some idea, as I know what tput command does, but still there're many dots which I'm not able to connect.
terminal
edited May 1 at 8:37
Rui F Ribeiro
42.7k1486146
asked Apr 30 at 20:42
Kartik ChauhanKartik Chauhan
1565
1
You can runjobsin your session to list active background jobs and then put it to foreground by typingfg <job number>. After type Ctrl+C to stop this infinite loop. This scenario is working only in terminal that run snippet.
– Yurij Goncharuk
Apr 30 at 20:48
Thank you very much, a very clean way of getting rid of the loop. This should become the accepted answer.
– Kartik Chauhan
Apr 30 at 20:54
You are welcome! I put it as answer bellow.
– Yurij Goncharuk
Apr 30 at 20:56
1
Note that simply closing the terminal window will also terminate all running jobs attached to it.
– trlkly
Apr 30 at 21:32
You have two questions here. Can you split the 2nd, to a new question.
– ctrl-alt-delor
Apr 30 at 21:43
|
show 1 more comment
I copied the below code from some random source to my terminal and ran:
while sleep 1;
do tput sc;
tput cup 0 $(($(tput cols)-29));
date;
tput rc;
done &
The code is to show a running clock at the top right corner of the terminal. The snippet worked very well and exactly did what I wanted it to, but now I just want to end this loop and get rid of the clock.
Also, I need to understand the above code. I've some idea, as I know what tput command does, but still there're many dots which I'm not able to connect.
terminal
edited May 1 at 8:37
Rui F Ribeiro
42.7k1486146
asked Apr 30 at 20:42
Kartik ChauhanKartik Chauhan
1565
I copied the below code from some random source to my terminal and ran:
while sleep 1;
do tput sc;
tput cup 0 $(($(tput cols)-29));
date;
tput rc;
done &
The code is to show a running clock at the top right corner of the terminal. The snippet worked very well and exactly did what I wanted it to, but now I just want to end this loop and get rid of the clock.
Also, I need to understand the above code. I've some idea, as I know what tput command does, but still there're many dots which I'm not able to connect.
terminal
terminal
edited May 1 at 8:37
Rui F Ribeiro
42.7k1486146
asked Apr 30 at 20:42
Kartik ChauhanKartik Chauhan
1565
edited May 1 at 8:37
Rui F Ribeiro
42.7k1486146
asked Apr 30 at 20:42
Kartik ChauhanKartik Chauhan
1565
edited May 1 at 8:37
Rui F Ribeiro
42.7k1486146
edited May 1 at 8:37
Rui F Ribeiro
42.7k1486146
edited May 1 at 8:37
Rui F Ribeiro
42.7k1486146
42.7k1486146
asked Apr 30 at 20:42
Kartik ChauhanKartik Chauhan
1565
asked Apr 30 at 20:42
Kartik ChauhanKartik Chauhan
1565
asked Apr 30 at 20:42
Kartik ChauhanKartik Chauhan
1565
1565
1
You can runjobsin your session to list active background jobs and then put it to foreground by typingfg <job number>. After type Ctrl+C to stop this infinite loop. This scenario is working only in terminal that run snippet.
– Yurij Goncharuk
Apr 30 at 20:48
Thank you very much, a very clean way of getting rid of the loop. This should become the accepted answer.
– Kartik Chauhan
Apr 30 at 20:54
You are welcome! I put it as answer bellow.
– Yurij Goncharuk
Apr 30 at 20:56
1
Note that simply closing the terminal window will also terminate all running jobs attached to it.
– trlkly
Apr 30 at 21:32
You have two questions here. Can you split the 2nd, to a new question.
– ctrl-alt-delor
Apr 30 at 21:43
|
show 1 more comment
1
You can runjobsin your session to list active background jobs and then put it to foreground by typingfg <job number>. After type Ctrl+C to stop this infinite loop. This scenario is working only in terminal that run snippet.
– Yurij Goncharuk
Apr 30 at 20:48
Thank you very much, a very clean way of getting rid of the loop. This should become the accepted answer.
– Kartik Chauhan
Apr 30 at 20:54
You are welcome! I put it as answer bellow.
– Yurij Goncharuk
Apr 30 at 20:56
1
Note that simply closing the terminal window will also terminate all running jobs attached to it.
– trlkly
Apr 30 at 21:32
You have two questions here. Can you split the 2nd, to a new question.
– ctrl-alt-delor
Apr 30 at 21:43
1
1
You can run
jobs in your session to list active background jobs and then put it to foreground by typing fg <job number>. After type Ctrl+C to stop this infinite loop. This scenario is working only in terminal that run snippet.– Yurij Goncharuk
Apr 30 at 20:48
You can run
jobs in your session to list active background jobs and then put it to foreground by typing fg <job number>. After type Ctrl+C to stop this infinite loop. This scenario is working only in terminal that run snippet.– Yurij Goncharuk
Apr 30 at 20:48
Thank you very much, a very clean way of getting rid of the loop. This should become the accepted answer.
– Kartik Chauhan
Apr 30 at 20:54
Thank you very much, a very clean way of getting rid of the loop. This should become the accepted answer.
– Kartik Chauhan
Apr 30 at 20:54
You are welcome! I put it as answer bellow.
– Yurij Goncharuk
Apr 30 at 20:56
You are welcome! I put it as answer bellow.
– Yurij Goncharuk
Apr 30 at 20:56
1
1
Note that simply closing the terminal window will also terminate all running jobs attached to it.
– trlkly
Apr 30 at 21:32
Note that simply closing the terminal window will also terminate all running jobs attached to it.
– trlkly
Apr 30 at 21:32
You have two questions here. Can you split the 2nd, to a new question.
– ctrl-alt-delor
Apr 30 at 21:43
You have two questions here. Can you split the 2nd, to a new question.
– ctrl-alt-delor
Apr 30 at 21:43
|
show 1 more comment
1 Answer
1
active
oldest
votes
You can run jobs command in your session to list active background jobs and then put them to foreground by typing fg <job number>. Then type Ctrl+C to stop this infinite loop.
This scenario is working only in terminal that run snippet.
Explanation:
tput sc - save cursor position.
tput cup 0 $(($(tput cols)-29)) - move cursor to position 0 of Y axis and (count of screen columns minus 29) of X axis.
date - just print current date.
tput rc - restore cursor position.
while sleep 1; ... do ... ; done - loop with delay of 1 second.
Type help while to know more about while loop in shell and follow to man 1 tput or tldp tput doc to know how tput works.
edited Apr 30 at 21:42
ctrl-alt-delor
12.9k52663
answered Apr 30 at 20:56
Yurij GoncharukYurij Goncharuk
2,6492825
I still would like to know how did the code do what it did.
– Kartik Chauhan
Apr 30 at 20:58
@KartikChauhan I put some explanation also.
– Yurij Goncharuk
Apr 30 at 21:14
@KartikChauhan You are right! Thank's! I've just fixed this.
– Yurij Goncharuk
Apr 30 at 21:20
3
kill %1(or a different number if there are multiple jobs) is an alternative tofg+Ctrl-C
– Roman Odaisky
Apr 30 at 23:18
add a comment |
Your Answer
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1 Answer
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oldest
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oldest
votes
You can run jobs command in your session to list active background jobs and then put them to foreground by typing fg <job number>. Then type Ctrl+C to stop this infinite loop.
This scenario is working only in terminal that run snippet.
Explanation:
tput sc - save cursor position.
tput cup 0 $(($(tput cols)-29)) - move cursor to position 0 of Y axis and (count of screen columns minus 29) of X axis.
date - just print current date.
tput rc - restore cursor position.
while sleep 1; ... do ... ; done - loop with delay of 1 second.
Type help while to know more about while loop in shell and follow to man 1 tput or tldp tput doc to know how tput works.
edited Apr 30 at 21:42
ctrl-alt-delor
12.9k52663
answered Apr 30 at 20:56
Yurij GoncharukYurij Goncharuk
2,6492825
I still would like to know how did the code do what it did.
– Kartik Chauhan
Apr 30 at 20:58
@KartikChauhan I put some explanation also.
– Yurij Goncharuk
Apr 30 at 21:14
@KartikChauhan You are right! Thank's! I've just fixed this.
– Yurij Goncharuk
Apr 30 at 21:20
3
kill %1(or a different number if there are multiple jobs) is an alternative tofg+Ctrl-C
– Roman Odaisky
Apr 30 at 23:18
add a comment |
You can run jobs command in your session to list active background jobs and then put them to foreground by typing fg <job number>. Then type Ctrl+C to stop this infinite loop.
This scenario is working only in terminal that run snippet.
Explanation:
tput sc - save cursor position.
tput cup 0 $(($(tput cols)-29)) - move cursor to position 0 of Y axis and (count of screen columns minus 29) of X axis.
date - just print current date.
tput rc - restore cursor position.
while sleep 1; ... do ... ; done - loop with delay of 1 second.
Type help while to know more about while loop in shell and follow to man 1 tput or tldp tput doc to know how tput works.
edited Apr 30 at 21:42
ctrl-alt-delor
12.9k52663
answered Apr 30 at 20:56
Yurij GoncharukYurij Goncharuk
2,6492825
I still would like to know how did the code do what it did.
– Kartik Chauhan
Apr 30 at 20:58
@KartikChauhan I put some explanation also.
– Yurij Goncharuk
Apr 30 at 21:14
@KartikChauhan You are right! Thank's! I've just fixed this.
– Yurij Goncharuk
Apr 30 at 21:20
3
kill %1(or a different number if there are multiple jobs) is an alternative tofg+Ctrl-C
– Roman Odaisky
Apr 30 at 23:18
add a comment |
You can run jobs command in your session to list active background jobs and then put them to foreground by typing fg <job number>. Then type Ctrl+C to stop this infinite loop.
This scenario is working only in terminal that run snippet.
Explanation:
tput sc - save cursor position.
tput cup 0 $(($(tput cols)-29)) - move cursor to position 0 of Y axis and (count of screen columns minus 29) of X axis.
date - just print current date.
tput rc - restore cursor position.
while sleep 1; ... do ... ; done - loop with delay of 1 second.
Type help while to know more about while loop in shell and follow to man 1 tput or tldp tput doc to know how tput works.
edited Apr 30 at 21:42
ctrl-alt-delor
12.9k52663
answered Apr 30 at 20:56
Yurij GoncharukYurij Goncharuk
2,6492825
You can run jobs command in your session to list active background jobs and then put them to foreground by typing fg <job number>. Then type Ctrl+C to stop this infinite loop.
This scenario is working only in terminal that run snippet.
Explanation:
tput sc - save cursor position.
tput cup 0 $(($(tput cols)-29)) - move cursor to position 0 of Y axis and (count of screen columns minus 29) of X axis.
date - just print current date.
tput rc - restore cursor position.
while sleep 1; ... do ... ; done - loop with delay of 1 second.
Type help while to know more about while loop in shell and follow to man 1 tput or tldp tput doc to know how tput works.
edited Apr 30 at 21:42
ctrl-alt-delor
12.9k52663
answered Apr 30 at 20:56
Yurij GoncharukYurij Goncharuk
2,6492825
edited Apr 30 at 21:42
ctrl-alt-delor
12.9k52663
edited Apr 30 at 21:42
ctrl-alt-delor
12.9k52663
edited Apr 30 at 21:42
ctrl-alt-delor
12.9k52663
12.9k52663
answered Apr 30 at 20:56
Yurij GoncharukYurij Goncharuk
2,6492825
answered Apr 30 at 20:56
Yurij GoncharukYurij Goncharuk
2,6492825
answered Apr 30 at 20:56
Yurij GoncharukYurij Goncharuk
2,6492825
2,6492825
I still would like to know how did the code do what it did.
– Kartik Chauhan
Apr 30 at 20:58
@KartikChauhan I put some explanation also.
– Yurij Goncharuk
Apr 30 at 21:14
@KartikChauhan You are right! Thank's! I've just fixed this.
– Yurij Goncharuk
Apr 30 at 21:20
3
kill %1(or a different number if there are multiple jobs) is an alternative tofg+Ctrl-C
– Roman Odaisky
Apr 30 at 23:18
add a comment |
I still would like to know how did the code do what it did.
– Kartik Chauhan
Apr 30 at 20:58
@KartikChauhan I put some explanation also.
– Yurij Goncharuk
Apr 30 at 21:14
@KartikChauhan You are right! Thank's! I've just fixed this.
– Yurij Goncharuk
Apr 30 at 21:20
3
kill %1(or a different number if there are multiple jobs) is an alternative tofg+Ctrl-C
– Roman Odaisky
Apr 30 at 23:18
I still would like to know how did the code do what it did.
– Kartik Chauhan
Apr 30 at 20:58
I still would like to know how did the code do what it did.
– Kartik Chauhan
Apr 30 at 20:58
@KartikChauhan I put some explanation also.
– Yurij Goncharuk
Apr 30 at 21:14
@KartikChauhan I put some explanation also.
– Yurij Goncharuk
Apr 30 at 21:14
@KartikChauhan You are right! Thank's! I've just fixed this.
– Yurij Goncharuk
Apr 30 at 21:20
@KartikChauhan You are right! Thank's! I've just fixed this.
– Yurij Goncharuk
Apr 30 at 21:20
3
3
kill %1 (or a different number if there are multiple jobs) is an alternative to fg + Ctrl-C– Roman Odaisky
Apr 30 at 23:18
kill %1 (or a different number if there are multiple jobs) is an alternative to fg + Ctrl-C– Roman Odaisky
Apr 30 at 23:18
add a comment |
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1
You can run
jobsin your session to list active background jobs and then put it to foreground by typingfg <job number>. After type Ctrl+C to stop this infinite loop. This scenario is working only in terminal that run snippet.– Yurij Goncharuk
Apr 30 at 20:48
Thank you very much, a very clean way of getting rid of the loop. This should become the accepted answer.
– Kartik Chauhan
Apr 30 at 20:54
You are welcome! I put it as answer bellow.
– Yurij Goncharuk
Apr 30 at 20:56
1
Note that simply closing the terminal window will also terminate all running jobs attached to it.
– trlkly
Apr 30 at 21:32
You have two questions here. Can you split the 2nd, to a new question.
– ctrl-alt-delor
Apr 30 at 21:43