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Top Forums Shell Programming and Scripting Compare two files and lines which are the same just delete it Post 303003038 by tomislav91 on Thursday 7th of September 2017 03:41:38 AM
Old 09-07-2017
i manage to succed with this command
Code:
awk 'NR==FNR{a[$0]=1;next}!a[$0]' file1 file2

and it give me the line which are only changed, but there is a some another problem...
the line which is changed is inside a interface setup.
And only THAT command when put to router does nothing, it must first go into interface
example:
Code:
/interface wireless

set [ find default-name=wlan1 ] ssid=test

so if I change only ssid, my awk command give me output
Code:
set [ find default-name=wlan1 ] ssid=test1

and that command i cant paste into router, i must and
Code:
/interface wireless

So i cant figure out how to do it.
I want to give a backup to another rotuer and if something is changed on the first one to be changed to the second, and my script does it good, but when change something like this, nothing happend, it error at first command with interface with error that interface already exist...
 

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MV(1)							      General Commands Manual							     MV(1)

NAME
mv - move or rename files SYNOPSIS
mv [ -i ] [ -f ] [ - ] file1 file2 mv [ -i ] [ -f ] [ - ] file ... directory DESCRIPTION
Mv moves (changes the name of) file1 to file2. If file2 already exists, it is removed before file1 is moved. If file2 has a mode which forbids writing, mv prints the mode (see chmod(2)) and reads the standard input to obtain a line; if the line begins with y, the move takes place; if not, mv exits. In the second form, one or more files (plain files or directories) are moved to the directory with their original file-names. Mv refuses to move a file onto itself. Options: -i stands for interactive mode. Whenever a move is to supercede an existing file, the user is prompted by the name of the file followed by a question mark. If he answers with a line starting with 'y', the move continues. Any other reply prevents the move from occur- ring. -f stands for force. This option overrides any mode restrictions or the -i switch. - means interpret all the following arguments to mv as file names. This allows file names starting with minus. SEE ALSO
cp(1), ln(1) BUGS
If file1 and file2 lie on different file systems, mv must copy the file and delete the original. In this case the owner name becomes that of the copying process and any linking relationship with other files is lost. 4th Berkeley Distribution April 29, 1985 MV(1)
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