If you have a string "one two three", which shell command
would you use to extract the strings?
Answer Posted / swaroopa
Below methods will work. You could use either cut or awk
echo "read data"
read data
echo $data | cut -f1 -d" "
echo $data | cut -f2 -d" "
echo $data | cut -f3 -d" "
echo $data |awk -F" " '{print $1}'
echo $data |awk -F" " '{print $2}'
echo $data |awk -F" " '{print $3}'
| Is This Answer Correct ? | 9 Yes | 0 No |
Post New Answer View All Answers
What does $@ mean in shell?
What is sh in shell script?
What is meant by dos operating system?
c program which behaves like a shell(command interpreter). it has its own prompt say "NewShell$".any normal shell command is executed from your shell by starting a child process to execute a system program corrosponding to the command
What makes c shell a more preferable option than the bourne shell?
How to replace following lines, catch (DAOException e) { objLogger.error(this.getClass () + "addUpdateIssues() " + e); throw new BOException(5122); } catch (BOException e) { objLogger.error(this.getClass () + "addUpdateIssues() " + e); throw e; } catch (Exception e) { objLogger.error(this.getClass () + "addUpdateIssues() " + e); throw new BOException(5122); } Needs to be changed in to, catch (DAOException e) { AppException.handleException (null, null, e, null, null, null, "BOException", this.getClass() + "addUpdateIssues() ", null, null, null, null, null, null, null, null, 5122); } catch (BOException e) { AppException.handleException (null, null, null, e, null, null, "BOException", this.getClass() + "addUpdateIssues() ", null, null, null, null, null, null, null, null, 0); } catch (Exception e) { AppException.handleException (null, null, null, null, null, e, "BOException", this.getClass() + "addUpdateIssues() ", null, null, null, null, null, null, null, null, 5122); }
Explore about environment variables?
what is tickets $ what low,medium,high priorite pls define time also
What is the command to find out users on the system?
Determine the output of the following command: [ -z “” ] && echo 0 || echo 1
What is the first line in every perl script called?
What is the significance of $#?
Is cmd a shell?
What is bash command used for?
What is a batch file used for?