what is the difference between writing code in shell and
editor?
Answer / guest
If we write code in shell it is called we are using the
shell as interractive mode.
It is inconvenient to write complex code(means entering
complex or compound commands to execute by seperating
with ";" semicolon)
For our convenient and also to frame a new functionality by
using different commands we use non interactive mode of
shell that is we type code in a editor and we execute that.
| Is This Answer Correct ? | 5 Yes | 3 No |
What will happen to my current process when I execute a command using exec?
on “sed” command EmpData(Sample Database) 1122|j.b. saxena |g.m. |account |12/12/52|6000 2233|n.k. gupta |d.g.m |sales |31/12/40|9000 4545|anil agarwal |director |account |06/07/47|7500 5656|lalit choudhury |executive|marketing|07/09/50|5000 1265|chanchal singhvi|g.m. |admin |12/09/63|6000 0110|shyam saksena |chairman |marketing|12/12/43|8000 5566|jai sharma |director |account |23/12/89|7000 7733|jayant |d.g.m |sales |29/02/70|6000 1. From the above database substitute the delimiter of first 3 lines with “ : “ 2. From the above database substitute the delimiter with “ : ” 3. Insert the string “ XYZ Employees” in the first line. 4. Store the lines pertaining to the directors, d.g.m and g.m into three separate files. 5. Using address store first 4 lines into a file Empupdate. 6. Find the pattern “account” in the database and replaces that with “accounts”. 7. Select those lines which do not have a pattern “g.m”. 8. Insert a blank line after every line in the database.
What are the different shells available?
What are the different commands available to check the disk usage?
How to declare functions in unix shell script?
What is bash coding?
How do you rename the files(*.sh) with file names containing space in it?for example "interview question.sh" needs to rename to "interview-question.sh". Appreciate your inputs.Thanks.
How would you replace the n character in a file with some xyz?
what are special characters and explain how does text varies by the usage of single quotes,double quotes and back quotes?
write a shell script to emulate the Id command of PRIMOS which lists files and directories. It list files first with a header FILES and then directories with a header DIRECTORIES. This command has several options. The main ones are. -file select files only -dir select directories only -reverse sort in reverse order -no_header put no header on the output -brief output the header only -size display the size of each file -help display Id´s syntax and options.
What does $@ mean in shell?
Explain about gui scripting?