Add word/value at the beginning of each line in a file


 
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# 1  
Add word/value at the beginning of each line in a file

how to add value/word at the beginning of each line in a file ?

i have file number.txt and the output is below

1000
1001
1002
1003
1004

i want to add 000 at the beginning of each line, desire output is below
0001000
0001001
0001002
0001003
0001004
and so on

please advise how to do it, i been searching forum but with no luck

---------- Post updated at 10:40 PM ---------- Previous update was at 10:33 PM ----------

Quote:
Originally Posted by jason6247
how to add value/word at the beginning of each line in a file ?

i have file number.txt and the output is below

1000
1001
1002
1003
1004

i want to add 000 at the beginning of each line, desire output is below
0001000
0001001
0001002
0001003
0001004
and so on

please advise how to do it, i been searching forum but with no luck
i have tried command seq -f "%010g" first number last number
but seq can only format number until 6 digit long, it wont print output 0000100001 0000100002 instead it become 0000.5.+.09 something
# 2  
Will this work for you?
Code:
awk ' { print "000" $0; } ' number.txt

This User Gave Thanks to Yoda For This Post:
# 3  
Use awk:
Code:
awk '{printf("%015d\n",$1)}' number.txt


Last edited by mirni; 12-01-2012 at 12:52 AM..
# 4  
Have a look at this threat !

Quote:
Originally Posted by jason6247
how to add value/word at the beginning of each line in a file ?

i have file number.txt and the output is below

1000
1001
1002
1003
1004

i want to add 000 at the beginning of each line, desire output is below
0001000
0001001
0001002
0001003
0001004
and so on

please advise how to do it, i been searching forum but with no luck

---------- Post updated at 10:40 PM ---------- Previous update was at 10:33 PM ----------



i have tried command seq -f "%010g" first number last number
but seq can only format number until 6 digit long, it wont print output 0000100001 0000100002 instead it become 0000.5.+.09 something
Have a look at :
https://www.unix.com/unix-dummies-que...es-column.html
Regards
# 5  
Through Sed..
Code:
sed 's/^/000/' inputfile

This User Gave Thanks to michaelrozar17 For This Post:
# 6  
Quote:
Originally Posted by michaelrozar17
Through Sed..
Code:
sed 's/^/000/' inputfile

WOOHOO.. Thanks GUYS. This code works just fine. I really appreciate all your help Smilie
 

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