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Top Forums UNIX for Dummies Questions & Answers Add word/value at the beginning of each line in a file Post 302738313 by jason6247 on Friday 30th of November 2012 10:40:07 PM
Old 11-30-2012
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
 

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SPLIT(1)							   User Commands							  SPLIT(1)

NAME
split - split a file into pieces SYNOPSIS
split [OPTION]... [INPUT [PREFIX]] DESCRIPTION
Output fixed-size pieces of INPUT to PREFIXaa, PREFIXab, ...; default size is 1000 lines, and default PREFIX is `x'. With no INPUT, or when INPUT is -, read standard input. Mandatory arguments to long options are mandatory for short options too. -a, --suffix-length=N use suffixes of length N (default 2) -b, --bytes=SIZE put SIZE bytes per output file -C, --line-bytes=SIZE put at most SIZE bytes of lines per output file -d, --numeric-suffixes use numeric suffixes instead of alphabetic -l, --lines=NUMBER put NUMBER lines per output file --verbose print a diagnostic just before each output file is opened --help display this help and exit --version output version information and exit SIZE may be (or may be an integer optionally followed by) one of following: KB 1000, K 1024, MB 1000*1000, M 1024*1024, and so on for G, T, P, E, Z, Y. AUTHOR
Written by Torbjorn Granlund and Richard M. Stallman. REPORTING BUGS
Report split bugs to bug-coreutils@gnu.org GNU coreutils home page: <http://www.gnu.org/software/coreutils/> General help using GNU software: <http://www.gnu.org/gethelp/> Report split translation bugs to <http://translationproject.org/team/> COPYRIGHT
Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
The full documentation for split is maintained as a Texinfo manual. If the info and split programs are properly installed at your site, the command info coreutils 'split invocation' should give you access to the complete manual. GNU coreutils 8.5 February 2011 SPLIT(1)
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