9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Gents,
I am trying to delete all lines which start with "H" character, but keeping the fist header. Example In the input file I will delete all lines starting from line 8 which contents character "H" to the end of the file.
I try
sed '8,10000{/^H/d;}' file
But as don't know the end... (1 Reply)
Discussion started by: jiam912
1 Replies
2. Shell Programming and Scripting
I understand that the SED command reads all the lines in the file before adding a required line to the end of the file.
Is there another command that adds a line to the end of files without reading the entire file....
SED is increasing the processing time as the number of lines in each of the... (1 Reply)
Discussion started by: Kanch
1 Replies
3. Shell Programming and Scripting
Hi,
I want to add a text to the end of the specific line in a file. Now my file looks like this:
999
111
222
333
111
444
I want to add the string " 555" to the end of the first line contaning 111. Moreover, I want to insert a newline after this line containg the "000" string. The... (8 Replies)
Discussion started by: wenclu
8 Replies
4. Shell Programming and Scripting
Hi Folks,
I was given a task to append three IP's at the end of a specific (and unique) line within a file on multiple servers.
I was not able to do that with the help of a script. All I could was:
for i in server1 server2 server3 server4
do
ssh $i
done
I know 'sed' could be used to... (5 Replies)
Discussion started by: momin
5 Replies
5. UNIX for Dummies Questions & Answers
Hello everybody,
I'm trying to merge a lot of files, but I want to include the filename to the end of each line. I've tried to use cat, but I got stuck.
My files are for example:
file01.001
123456 aaa ddd ee
458741 eee fff ee
file02.003
478596 uuu ddd ee
145269 ttt fff ee
... (4 Replies)
Discussion started by: ernesto561
4 Replies
6. Shell Programming and Scripting
Hi Everyone,
cat 1.txt
aaa
bbb
ccc
outout will be
cat 2.txt
,,aaa,,bbb,ccc,,
means change "\n" to ",,", and add ",," into the beginging and ending.
right now i am using perl while to open and read the file, then split \t, feel not nice. please advice.
and i hear using perl... (8 Replies)
Discussion started by: jimmy_y
8 Replies
7. Shell Programming and Scripting
I have a file with varying record length in it. I need to reformat this file so that each line will have a length of 100 characters (99 characters + the line feed).
AU * A01 EXPENSE 6990370000 CWF SUBC TRAVEL & MISC
MY * A02 RESALE 6990788000 Y... (3 Replies)
Discussion started by: udelalv
3 Replies
8. 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
9. Shell Programming and Scripting
--------------------------------------------------------------------------------
Have to check in a file that the lines starting with 620 and 705
are ending at same posiotin.
82012345
62023232323
70523949558
62023255454
9999
In the above lines, i have to check the lines starting... (1 Reply)
Discussion started by: senthil_is
1 Replies