10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi,
I need to ssh remotely to a machine and cat a file assign the value to a variable
Script:
#!/bin/bash -x
value=`cat config.txt`
echo "$value"
ssh me@xxx.host.com "valu='cat /export/home/test.md5'; echo "$valu"" | tee
Execution:
$ ./x
++ cat config.txt
+ value='touch me'
+... (5 Replies)
Discussion started by: close2jay
5 Replies
2. Shell Programming and Scripting
There is a file on a remote host that I want to read across an ssh tunnel. NOT copy... scp won't work here. And this file requires elevated permissions to read.
'ssh -t remotehost sudo cat /path/to/file' will prompt me for my sudo password and read out the file. But I'm coming up blank for a... (4 Replies)
Discussion started by: jnojr
4 Replies
3. UNIX for Dummies Questions & Answers
Hi,
I am aware that the below are the equivalent in sed for cat command.
sed ':'
sed -n 'p'
Is there any way to emulate the same using "q" option in sed?
Thanks (8 Replies)
Discussion started by: pandeesh
8 Replies
4. UNIX for Advanced & Expert Users
Hi everyone,
I'm trying to write a shell script that process a log file. The log format is generally:
(8 digit hex of unix time),(system ID),(state)\n
My shell script gets the file from the web, saves it in a local text directory. I then want to change the hex to decimal, convert from unix time... (7 Replies)
Discussion started by: bencpeters
7 Replies
5. Shell Programming and Scripting
Is there a way using grep or cat a file to create a new file based on whether the first 9 positions of each record is less than 399999999?
This is a fixed file format. (3 Replies)
Discussion started by: ski
3 Replies
6. Shell Programming and Scripting
I have to pass a sentence in a file, the specs are as:
cat run | sed 's/SRT/'$8'/g' | sed 's/plength/68/g' | sed 's/stcol/'$5'/g' | sed 's/encol/'$6'/g' | sed 's/brdtype/'$1'/g' | sed 's/brdtxt/'$3'/g' | sed 's/demotxt/Total '$2'/g' | sed 's/bantxt/ban_'$7'/g' | sed 's/validcodes/'$4'/g' > runx... (1 Reply)
Discussion started by: patilrakesh1984
1 Replies
7. Shell Programming and Scripting
Hi All!
I have a script having one statement like.
cat xfile | sed 's/A/a/g' > xfile
I have two boxes which have similar version of linux running but one is greater in speed compared to other. Lets say A is faster than B.
A which is faster writes output as NULL
B which... (6 Replies)
Discussion started by: kbalaji_uk
6 Replies
8. UNIX for Dummies Questions & Answers
I need to change all Newline caracters (\12) to Fieldseparator(\34).
tr -A '\12' '\34' <file1> file2
Replace all delete (\177) with Newline (\12)
tr -A '\177' '\12' <file2> file3
Put the name of the file first in all rows.
awk '{printf "%s\34%s\n", FILENAME,$0} file3 > file4
So far no... (6 Replies)
Discussion started by: MrKlint
6 Replies
9. UNIX for Advanced & Expert Users
I have three files, basically:
file 1 - one line header
file 2 - big data (approx 80GB)
file 3 - a one line trailer
the existing process cats these together i.e cat file 1 file 2 file 3
however... I was thinking, surely it could be more efficient to insert the header (file 1) on the... (2 Replies)
Discussion started by: miwinter
2 Replies
10. UNIX for Dummies Questions & Answers
Hi All,
I have a file named pattern.dat which contains pattern like
A1000090 250.00 250.00
i have one more file named test.dat in which this pattern is present.
What i should do is, in test.dat after this pattern i should append comments.
i used... (4 Replies)
Discussion started by: Sona
4 Replies