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Full Discussion: To find and compare the data
Top Forums Shell Programming and Scripting To find and compare the data Post 302825059 by ctsgnb on Sunday 23rd of June 2013 06:08:53 AM
Old 06-23-2013
Quote:
result i want is like 10527 14150524 Sa 39.88 -2
Assuming you want result -2 you may want t=a[$1]-$4 (scanning file2 at first)

Code:
awk 'FNR==NR{a[$1]=$4;next}$1 in a{t=a[$1]-$4;print $0,(FNR==1)?"":t}' file2 file1

---------- Post updated at 12:08 PM ---------- Previous update was at 11:53 AM ----------

with a bit of formating
Code:
awk 'FNR==NR{a[$1]=$4;next}$1 in a{t=a[$1]-$4;printf"%-8s %8s %-4s %8s %8s\n",$1,$2,$3,$4,(FNR==1)?"COL4":t}' file2 file1

Code:
$ awk 'FNR==NR{a[$1]=$4;next}$1 in a{t=a[$1]-$4;printf"%-8s %8s %-4s %8s %8s\n",$1,$2,$3,$4,(FNR==1)?"COL4":t}' f2 f1
SR.no        COL1 COL2     COL3     COL4
10527    14150524 Sa      39.88       -2
10528    12311440 Sa          0        0
10529    12441731 Sa     111.66        0
10530    15120599 Sa      69.97        0
10531    21635123 Sa     149.99        0
10532     9854892 Sa      27.53    98.91
10533    14526541 Sa      67.06     0.03
10534    10993779 Sa         99        0
10535    15684120 Sa     112.99        0
10536     6051457 Sa        249        0
10537    10983989 Sa     149.97        0
10538     8222030 Sa         59        0
10539    10910428 Sa      237.2        0
10540     8477371 Sa     126.44    -98.9


Last edited by ctsgnb; 06-23-2013 at 07:16 AM..
 

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set_color(1)							       fish							      set_color(1)

NAME
set_color - set_color - set the terminal color set_color - set the terminal color Synopsis set_color [-v --version] [-h --help] [-b --background COLOR] [COLOR] Description Change the foreground and/or background color of the terminal. COLOR is one of black, red, green, brown, yellow, blue, magenta, purple, cyan, white and normal. o -b, --background Set the background color o -c, --print-colors Prints a list of all valid color names o -h, --help Display help message and exit o -o, --bold Set bold or extra bright mode o -u, --underline Set underlined mode o -v, --version Display version and exit Calling set_color normal will set the terminal color to whatever is the default color of the terminal. Some terminals use the --bold escape sequence to switch to a brighter color set. On such terminals, set_color white will result in a grey font color, while set_color --bold white will result in a white font color. Not all terminal emulators support all these features. This is not a bug in set_color but a missing feature in the terminal emulator. set_color uses the terminfo database to look up how to change terminal colors on whatever terminal is in use. Some systems have old and incomplete terminfo databases, and may lack color information for terminals that support it. Download and install the latest version of ncurses and recompile fish against it in order to fix this issue. Version 1.23.1 Sun Jan 8 2012 set_color(1)
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