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Full Discussion: Loop grep, outputs in files
Top Forums UNIX for Beginners Questions & Answers Loop grep, outputs in files Post 302989356 by echo manolis on Wednesday 11th of January 2017 11:51:20 AM
Old 01-11-2017
Loop grep, outputs in files
Hi, I try to create a simply code but I have problems...

Code:
Ubuntum, Bash version: 4.3.46 Bash

Code:
INPUT file (csv):
TS133_29BC,xx2274305
TS133_29BC,rps4576240
av137_37BC,wfs2274305
av137_37BC,ftrs4576240
T1S138_30BC,rfss2255526
T1S138_30BC,rgas2274305

Code:
OUTPUT files (csv):
File TS133_29BC
TS133_29BC,xx2274305
TS133_29BC,rps4576240

File av137_37BC
av137_37BC,wfs2274305
av137_37BC,ftrs4576240

File T1S138_30BC
T1S138_30BC,rfss2255526
T1S138_30BC,rgas2274305

My code is:

Code:
for ((b=$1; b<=96; b++))

    do

dddd=*"_"${b}"BC"

grep -w "$dddd" > $dddd

    done

find . -size 0 -delete

Where is the error?
 

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LEARN ABOUT MINIX

zgrep

ZGREP(1)                                                      General Commands Manual                                                     ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep  options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

                                                                                                                                          ZGREP(1)
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