1. Shell Programming and Scripting

i want to cut all the entries from the /etc/passwd file in which the uid is> 500 for this i was writing this ,m quiet new to all this.. scripting but on the 6th n 8th line ,, i hav to specify a line number .. to get the commnd working .. but i want to use variable i instead of that ,,... (2 Replies)

2. Shell Programming and Scripting

Hi All, I had a file called Input.txt, i need to group up in a single line as 1=ttt and the no of lines may vary bewteen the 1=ttt cat Input.txt 1=ttt,2=xxxxxx, 3=4545 44545, 4=66667 7777, 5=77723 1=ttt, 2=xxxxxx, 3=34436 66 3545, 4=66666, 5=ffffff, 6=uuuuuuu 1=ttt, 2=xxxxxx,... (4 Replies)

3. Shell Programming and Scripting

Hi, Could any one please let me know what is the maximum number of characters that will fit into a single line of a flat file on a unix. Thanks. (1 Reply)

4. Shell Programming and Scripting

Hi Unix gurus Basically i am searching for the pattern and getting the line numbers of the grepped pattern. I am trying to print the series of lines from 7 lines before the grepped line number to the grepped line number. I am trying to use the following code. but it is not working. cat... (3 Replies)

5. Shell Programming and Scripting

Hello all, I have the following problem: My input is two sorted files: file1 >1_19_130_F3 T01220131330230213311013000000110000 >1_23_69_F3 T01200211300200200010000001000000 >1_24_124_F3 T010203113002002111111200002010 file2 >1_19_130_F3 24 18 9 18 23 4 11 4 5 9 5 8 15 20 4 4 7 4... (9 Replies)

6. Shell Programming and Scripting

So, I want to read line-by-line a text file with unknown number of files.... So: a=1 b=1 while ; do b=`sed -n '$ap' test` a=`expr $a + 1` $here do something with b etc done the problem is that sed does not seem to recognise the $a, even when trying sed -n ' $a p' So, I cannot read... (3 Replies)

7. Shell Programming and Scripting

In the vi editor, there seems to be some limit on the number of characters could be allowed in single line. I tried a line with characters up to 1880. It worked. But when i tried with something of 5000 characters, it doesnt work. Any suggestions. Thanks in advance! (2 Replies)

8. Shell Programming and Scripting

Hi, I have a line which has n number of words with separated by space. I wanted to make each word as a separate line. for example, i have a file that has line like i am a good boy i want the output like, i am a good (8 Replies)

9. UNIX for Dummies Questions & Answers

Hello, :wall: I have a 12 column csv file. I wish to delete the entire line if column 7 = hello and column 12 = goodbye. I have tried everything that I can find in all of my ref books. I know this does not work /^*,*,*,*,*,*,"hello",*,*,*,*,"goodbye"/d Any ideas? Thanks Please... (2 Replies)

10. Shell Programming and Scripting

Hi Gurus, I need separate one file which is one huge line to mutiple line. file like abcd # bcd # def # fge # ged I want to get abcd bcd def fge ged Thanks in advance (4 Replies)