"if matching strings in file1 and file2, add column from file1 to file2"

Post #302674389 by pathunkathunk on Thursday 19th of July 2012 01:47:12 PM

if matching strings in file1 and file2, add column from file1 to file2

I have very limited coding skills but I'm wondering if someone could help me with this. There are many threads about matching strings in two files, but I have no idea how to add a column from one file to another based on a matching string.

I'm looking to match column1 in file1 to the number following the string "Gene_" in file2. If there's a match, I want to add column 2 from file1 as the first column in file2.

file1
Code:
1    k48_101119
2    k48_103273
3    k48_103895
4    k48_108200
5    k48_11007
[...]

file2
(not all line numbers in file1 are represented in file2)
Code:
"Gene_2" 2.79393133358307e-119
"Gene_5" 3.58660951659928e-42
[...]

Desired output
Code:
k48_103273 "Gene_2" 2.79393133358307e-119
k48_110077 "Gene_5" 3.58660951659928e-42
[...]

Thanks in advance...
 
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XZDIFF(1)							     XZ Utils								 XZDIFF(1)

NAME
xzcmp, xzdiff, lzcmp, lzdiff - compare compressed files SYNOPSIS
xzcmp [cmp_options] file1 [file2] xzdiff [diff_options] file1 [file2] lzcmp [cmp_options] file1 [file2] lzdiff [diff_options] file1 [file2] DESCRIPTION
xzcmp and xzdiff invoke cmp(1) or diff(1) on files compressed with xz(1), lzma(1), gzip(1), bzip2(1), or lzop(1). All options specified are passed directly to cmp(1) or diff(1). If only one file is specified, then the files compared are file1 (which must have a suffix of a supported compression format) and file1 from which the compression format suffix has been stripped. If two files are specified, then they are uncompressed if necessary and fed to cmp(1) or diff(1). The exit status from cmp(1) or diff(1) is preserved. The names lzcmp and lzdiff are provided for backward compatibility with LZMA Utils. SEE ALSO
cmp(1), diff(1), xz(1), gzip(1), bzip2(1), lzop(1), zdiff(1) BUGS
Messages from the cmp(1) or diff(1) programs refer to temporary filenames instead of those specified. Tukaani 2011-03-19 XZDIFF(1)

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