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sed String Replace

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# 1  
Old 06-12-2015
sed String Replace
I have this file and variable on my machine

Code:
$cat /tmp/disk.tmp
check_disk.pl -H localhost -D ARG1 -w 75 -c 90
$echo $_ARG1
/,/opt,/tmp,/usr,/var,/boot,/dev/shm

how do I replace the string ARG1 in my file (disk.tmp) with the value of my variable _ARG1 and placing them inside quotes while still having those other charaters on it such it will look like below:

Code:
check_disk.pl -H localhost -D "/,/opt,/tmp,/usr,/var,/boot,/dev/shm" -w 75 -c 90

Any help would be appreciated. Been trying different way already with sed but nothing works. Smilie
# 2  
Old 06-12-2015
Try
Code:
sed "s|ARG1|\"$_ARG1\"|" file

GNU sed and BSD sed have a -i option for inline editing. Otherwise, redirect the output to a new file and if successful replace original with the new content..
# 3  
Old 06-12-2015
Code:
sed s#ARG1#\"$_ARG1\"# file
check_disk.pl -H localhost -D "/,/opt,/tmp,/usr,/var,/boot,/dev/shm" -w 75 -c 90

# 4  
Old 06-12-2015
Wow. Both works perfectly. Thank you so much!
# 5  
Old 06-12-2015
Note: it is best to use quotes around the sed command argument, otherwise strange characters or spaces thay may be contained in $_ARG1 will break the command..
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