Remove / at the end of a string if it exists


 
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# 1  
Old 10-07-2008
Remove / at the end of a string if it exists

Hey guys, Can sed or another command be used to examine a path such as
Code:
/home/test/blah/blah

and check to see if the last character is a "/" and if so remove it


So this is what should happen:

Code:
/home/test/blah/blah

nothing happens, this is ok


Code:
/home/test/blah/blah/

the "/" at the end is removed and the string becomes
Code:
/home/test/blah/blah

Thanks all
# 2  
Old 10-07-2008
Yes:

Code:
$ p=/home/test/blah/blah/
$ printf "%s\n" "${p%/}"
/home/test/blah/blah
$ p=/home/test/blah/blah
$ printf "%s\n" "${p%/}"
/home/test/blah/blah

# 3  
Old 10-07-2008
Code:
echo "/home/test/blah/blah/" | sed 's/\/$//'
/home/test/blah/blah

# 4  
Old 10-07-2008
Code:
var=/home/test/blah/blah/
echo $var| sed 's%/$%%'
echo ${var%%/}

# 5  
Old 10-07-2008
Quote:
Originally Posted by Ikon
Code:
echo "/home/test/blah/blah/" | sed 's/\/$//'
/home/test/blah/blah

This one works well, thanks everyone for your help!
# 6  
Old 10-07-2008
Actually radoulov's solution (also posted in a variant by danmero) is superior.
# 7  
Old 10-07-2008
Quote:
Originally Posted by danmero
Code:
echo ${var%%/}


Since the pattern can only match a single character, you only need one %:

Code:
newvar=${var%/}

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