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Script to remove first character if it is zero

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# 1  
Old 11-18-2009
Script to remove first character if it is zero
Hi All,
I have a input like this.
01
i want the output like this.
1
But if the input file is like
11 i should not do anything.
Can anyone please help to get a command to do this.

thanks,
Giri.

---------- Post updated at 02:11 AM ---------- Previous update was at 02:04 AM ----------

Friends i got the required command.

Thanks,
Girish.
# 2  
Old 11-18-2009
try:
Code:
sed 's/^0*\(.*\)/\1/' filename

# 3  
Old 11-18-2009
Code:
sed 's/^0//' infile

# 4  
Old 11-18-2009
Quote:
Originally Posted by dennis.jacob
try:
Code:
sed 's/^0*\(.*\)/\1/' filename


sorry. I overlooked the issue. This one will remove all starting 0's. Smilie
# 5  
Old 11-18-2009
Code:
input="01"
case "$input" in
  0*) echo ${input/#0/};;
esac

# 6  
Old 11-18-2009
All leading zeroes :
Code:
sed 's/^0*//' infile



---------- Post updated at 10:10 ---------- Previous update was at 09:54 ----------
Quote:
Originally Posted by ghostdog74
Code:
input="01"
case "$input" in
  0*) echo ${input/#0/};;
esac

Code:
input="01"
echo ${input#0}

Last edited by Scrutinizer; 11-18-2009 at 05:06 AM..
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