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UNIX for Dummies Questions & Answers
Sorting and saving values based on unique entries
Post 302882559 by Don Cragun on Tuesday 7th of January 2014 10:49:25 PM
01-07-2014
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1. Shell Programming and Scripting
hello everyone..
I was wondering is there a effective way to sort file that contains colomns and numeric one.
file
218900012192 8938929 8B8DF3664 1E7E2D59D5 0000 26538 1234 74024415
218900012979 8938929 8B8DF3664 1E7E2D59D5 0000 26538 1234 74024415
218900012992 8938929 8B8DF3664... (2 Replies)
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2. UNIX for Dummies Questions & Answers
I don't really know much about UNIX commands, so if someone could help me understand how to do this, I'd really appreciate it.
I have a text file with data that looks like this (filename: numbers.txt):
1 1 1 1 1 1 1 1 1 2 1 1_2 2_1
1 1 1 1 1 1 1 1 2 1 2 1_2 2_1
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Hi Guys,
I have two files that I am using:
File1 is as follows:
wwe
khfgv
jfo
jhgfd
hoaha
hao
lkahe
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Hello,
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Hi,
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7. Linux
cat sample.csv
ID,Name,no
1,AAA,1
2,BBB,1
3,AAA,1
4,BBB,1
cut -d',' -f2 sample.csv | sort | uniq
this gives only the 2nd column values
Name
AAA
BBB
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Hi ,
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For some reason I am having difficulty performing what should be a fairly easy task. I would like to print lines of a file that have a unique value in the first field. For example, I have a large data-set with the following excerpt:
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LEARN ABOUT DEBIAN
grcompiler
grcompiler(1) grcompiler(1) NAME
grcompiler - Compile GDL into a TrueType Font SYNOPSIS
grcompiler [-d] [-D] [-g] [-n number] [-v number] [-w number] [-wall] [-q] gdl-file font-file [output-file] [output-fontname] Description Grcompiler compiles a Graphite Description Language description of the smarts for a font along with a TrueType Font to create a graphite font with graphite tables in it. -d Generate XML debugger file. -D Generate all debugger files. -g Permit and ignore invalid glyph definitions. -nnumber Set name table start location. -q Quiet mode (no messages except on error). -vnumber Set Silf table version number. -wnnnn Ignore warning with the given number. This option may be repeated. -wall Display all warnings. Environment grcompiler makes use of the following environment variables GDLPP Specifies the command to execute to run the GDL preprocessor Files gdlerr.txt Warnings and errors are output to this file. dbg_classes.txt Debug file that specifies the classes stored in the font in terms of their GDL source and containing glyph ids in hex. dbg_cmap.txt Debug file giving Unicode to glyph mapping of all the glyphs in the font and vice versa. dbg_enginecode.txt Debug file containing the action code and constraint code associated with each pass and rule in a pass. dbg_fsm.txt Debug file that gives the finite state machines of each pass and the rules referenced. For each pass, a mapping is given between glyph and column number. dbg_glyphattrs.txt Debug file containing all the glyph attributes and their names, along with values specified for each glyph. dbg_parsetree.txt Debug file giving the complete parse tree of the GDL source file. dbg_ruleprec.txt Debug file that lists the rules in precedence order (order in which they will be tested) for each pass. $_temp.gdl Debug file containing the output of gdlpp Author Martin Hosken <mhosken@users.sourceforge.net> $Date: 2012-05-29 11:36:50 $ grcompiler(1)