Another Unix Question

[keyvanrahmadi]

I have file which has been created as follow:

env >>  XX
env >>  XX
env >>  XX
env >>  XX
env >>  XX
 

The purpose of the task is to create a script which will find all the occurrences of the username and append it to a file and display a line number and a bracket against the saved line. Since i am not allowed to use SED or AWK i have come up with the follwoing script.

 
#!/bin/bash
 
grep  keyvan.ahmadi XX  > exp | sort exp | uniq > exp1
 
echo " Script Created"
 
 

The problem i have is, i dont have a clue how to display teh line number and brackets. Any help would be great


Thx in advance

Keyvan

[ghostdog74]

i won't do your homework for you, but i give you hints. since you can't ues sed, awk, you have to use in built functions of bash and loops as well.
you can set a loop to go thorugh the file, at the same time initialize a counter so that as you go through each line , you print the counter, after that, increment the counter.
something like that.

[keyvanrahmadi]

i won't do your homework for you, but i give you hints. since you can't ues sed, awk, you have to use in built functions of bash and loops as well.
you can set a loop to go thorugh the file, at the same time initialize a counter so that as you go through each line , you print the counter, after that, increment the counter.
something like that.

tbh i really wouldnt want any one doing mt course work, otherwise i wont learn anything so there is no point learning. Your Hint got me tinking, i think i play around with a while loop. I look at the syntex when i get home.

thx well in advance mate

keyvan

[ghostdog74]

another hint: you can use cat to show the line number. check the man page of cat. it will show you the option you can use.

[keyvanrahmadi]

another hint: you can use cat to show the line number. check the man page of cat. it will show you the option you can use.

yes you mean cat -n file. my script is suppose to number and bracet them. The main problem is that i cant use temp files either, which puts the downer on what i have.

#!/bin/bash
clear
grep  keyvan.ahmadi XX  > exp | sort exp | uniq > xx-sorted
echo " Script Created"
rm exp
 

i thought a while loop might do the trick, and read up on it, but tbh i am actually confused now and lost for words, and dont know what to do.

[ghostdog74]

check here for information. especially Part 3.