05-05-2011
Can you give a plain language pseudo code definition of what changes, file1 to file2 and file2 to file3?
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Hi,
I have files that are named front1.txt to front999.txt. They are all in the same directory. To change "front" to "back", I am doing something like this.
for file in *.txt; do
new=`echo $file | sed 's/^**/back/g'`
mv $file $new
done
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I been trying to get this right. I have trying to get rid of spaces in between the character < and the character >. Everytime I try, sed gets too greedy and do the whole line.
Ex.
< T AG 1> Hello, how are you doing?
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I am using this concept to fetch value of IP address after node= in this line of csv text:
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5. Shell Programming and Scripting
Hi gurus,
I'd like to change this complete line on a file:
BAN_COMMAND="/etc/apf/apf -d $ATTACK_HOST {bfd.$MOD}"
to this one:
BAN_COMMAND="/sbin/iptables -A INPUT -s $ATTACK_HOST -j DROP"
I've tried a lot without any successful . :(
thanks in advance
Israel. (2 Replies)
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6. Shell Programming and Scripting
Hi
I have a piece of xml that has a pattern like this
<int>159</int><int>30</int>
I want to find this pattern but only substitute the second part of the pattern to {rid1}.
Is that possible in sed ?
Thanks.
---------- Post updated at 12:10 PM ---------- Previous update was at 12:01 PM... (11 Replies)
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7. UNIX for Dummies Questions & Answers
hi all,
I am having trouble finding the right string for this - I dont know whether to use awk or sed..
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McGowan,Sean 978-934-4000
Kilcoyne,Kathleen 603-555-1212
Club603,The 617-505-1332
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8. Shell Programming and Scripting
Hello Friends
I want to use sed command to pick a part of line. FOr example I only need the
/home_put1/bidds/myfo
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Hello there,
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Hi,
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LEARN ABOUT DEBIAN
combine
COMBINE(1) COMBINE(1)
NAME
combine - combine sets of lines from two files using boolean operations
SYNOPSIS
combine file1 and file2
combine file1 not file2
combine file1 or file2
combine file1 xor file2
_ file1 and file2 _
_ file1 not file2 _
_ file1 or file2 _
_ file1 xor file2 _
DESCRIPTION
combine combines the lines in two files. Depending on the boolean operation specified, the contents will be combined in different ways:
and Outputs lines that are in file1 if they are also present in file2.
not Outputs lines that are in file1 but not in file2.
or Outputs lines that are in file1 or file2.
xor Outputs lines that are in either file1 or file2, but not in both files.
"-" can be specified for either file to read stdin for that file.
The input files need not be sorted, and the lines are output in the order they occur in file1 (followed by the order they occur in file2
for the two "or" operations). Bear in mind that this means that the operations are not commutative; "a and b" will not necessarily be the
same as "b and a". To obtain commutative behavior sort and uniq the result.
Note that this program can be installed as "_" to allow for the syntactic sugar shown in the latter half of the synopsis (similar to the
test/[ command). It is not currently installed as "_" by default, but you can alias it to that if you like.
SEE ALSO
join(1)
AUTHOR
Copyright 2006 by Joey Hess <joey@kitenet.net>
Licensed under the GNU GPL.
moreutils 2012-04-09 COMBINE(1)