10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello,
What I wish to attain is:
- to read fileA line by line
- search entire line as string in fileB
- when found, grep the next line in fileB
- then merge "searched line" and "found line" in a new file, fileC
Here is my fileA:
T S Eliot
J L Borges
L Aragon
L L Aragon
T S Eliot 4 0... (17 Replies)
Discussion started by: baris35
17 Replies
2. Shell Programming and Scripting
Hello,
I'm trying to figure out how to speed up the following as I want to use multiple commands to search thousands of files.
is there a way to speed things up?
Example I want to search a bunch of files for a specific line, if this line already exists do nothing, if it doesn't exist add it... (4 Replies)
Discussion started by: f77hack
4 Replies
3. Shell Programming and Scripting
Hi All
I have to search servers name say like 1000+ "unique names" line by line in child.txt files in another file that is a master file where all server present say "master.txt",if child.txt's server name matches with master files then it print yes else no with server name. (4 Replies)
Discussion started by: netdbaind
4 Replies
4. Shell Programming and Scripting
my requirement is,
consider a file output
cat output
blah sdjfhjkd jsdfhjksdh
sdfs 23423 sdfsdf sdf"sdfsdf"sdfsdf"""""dsf
hellow there
this doesnt look good
et cetc etc
etcetera
i want to replace a line of line number 4 ("this doesnt look good") with some other line
... (3 Replies)
Discussion started by: vivek d r
3 Replies
5. Shell Programming and Scripting
Hi,
Please suggest a way to print number of words in the end of each line.
<input file>
red aunt house
blue sky
bat and ball game
<output file>
red aunt house 3
blue sky 2
bat and ball game 4
Thanks! (2 Replies)
Discussion started by: mira
2 Replies
6. UNIX for Dummies Questions & Answers
Hello Everyone.
I am trying to display contains of a file from a specific line to a specific line(let say, from line number 3 to line number 5). For this I got the shell script as shown below:
if ; then
if ; then
tail +$1 $3 | head -n $2
else
... (5 Replies)
Discussion started by: grc
5 Replies
7. Shell Programming and Scripting
Hello all
i know it is pretty hard one but you will manage it all
after noticing and calculating i find a rhythm for the file i want to edit
to copy the last 12 characters in line but the problem is to add after first 25 characters in same line
in other way too copy the last 12 characters... (10 Replies)
Discussion started by: princesasa
10 Replies
8. Shell Programming and Scripting
HI,
cat test
abc
echo "def" >> test
output is
cat test
abc
def
the needed output is
cat test
abc def
and so on (5 Replies)
Discussion started by: jobycxa
5 Replies
9. Shell Programming and Scripting
Hi,
I have a huge file & I want to add a specific text in column. But I want to add this text from a specific line number to a specific line number & another text in to another range of line numbers.
To be more specific: lets say my file has 1000 lines & 4 Columns. I want to add text "Hello"... (2 Replies)
Discussion started by: Ezy
2 Replies
10. UNIX for Dummies Questions & Answers
I have a file in which I need to search if a new line character exists on the last line in the file. Please let me know how can I achieve it using Unix commands? (10 Replies)
Discussion started by: sunilbm78
10 Replies