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Top Forums UNIX for Dummies Questions & Answers loop? print max column in each line for 800 files and merge Post 302544310 by alister on Wednesday 3rd of August 2011 12:09:02 PM
Old 08-03-2011
Quote:
Originally Posted by Shell_Life
To ensure files are in order:
Code:
paste $(ls -1 xyz.File_*.xyz | sort)

That won't sort the sample files properly. What's needed is to identify where the number begins and define a numeric key beginning at that character position (of course, this assumes a fixed-width prefix).

For files named file_1, file_100.ext, file_1000_abc.ext, sort -k1.6n would do the job.

Regards,
Alister
This User Gave Thanks to alister For This Post:
 

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SORT(1) 						      General Commands Manual							   SORT(1)

NAME
sort - sort a file of ASCII lines SYNOPSIS
sort [-bcdfimnru] [-tc] [-o name] [+pos1] [-pos2] file ... OPTIONS
-b Skip leading blanks when making comparisons -c Check to see if a file is sorted -d Dictionary order: ignore punctuation -f Fold upper case onto lower case -i Ignore nonASCII characters -m Merge presorted files -n Numeric sort order -o Next argument is output file -r Reverse the sort order -t Following character is field separator -u Unique mode (delete duplicate lines) EXAMPLES
sort -nr file # Sort keys numerically, reversed sort +2 -4 file # Sort using fields 2 and 3 as key sort +2 -t: -o out # Field separator is : sort +.3 -.6 # Characters 3 through 5 form the key DESCRIPTION
Sort sorts one or more files. If no files are specified, stdin is sorted. Output is written on standard output, unless -o is specified. The options +pos1 -pos2 use only fields pos1 up to but not including pos2 as the sort key, where a field is a string of characters delim- ited by spaces and tabs, unless a different field delimiter is specified with -t. Both pos1 and pos2 have the form m.n where m tells the number of fields and n tells the number of characters. Either m or n may be omitted. SEE ALSO
comm(1), grep(1), uniq(1). SORT(1)
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