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Top Forums Shell Programming and Scripting Match all lines in file where specific text pattern is less than Post 302988243 by cmccabe on Thursday 22nd of December 2016 10:53:14 AM
Old 12-22-2016
Match all lines in file where specific text pattern is less than

In the below file I am trying to grep or similar, all lines where only AF= is less than 0.4.. Thank you Smilie.

grep
Code:
grep "AF=" ,+ .4 file

file
Code:
12    112036782    .    T    C    34.0248    PASS    AF=0.194286;AO=32;DP=170;FAO=34;FDP=175;FR=.;FRO=141;FSAF=20;FSAR=14;FSRF=57;FSRR=84;FWDB=-0.0842492;FXX=0.0056815;HRUN=2;LEN=1;MLLD=83.7705;OALT=C;OID=.;OMAPALT=C;OPOS=112036782;OREF=T;PB=0.5;PBP=1;QD=0.77771;RBI=0.128679;REFB=-0.0310314;REVB=-0.0972646;RO=137;SAF=20;SAR=12;SRF=55;SRR=82;SSEN=0;SSEP=0;SSSB=0.280873;STB=0.645079;STBP=0.067;TYPE=snp;VARB=0.090833;ANN=ATXN2    GT:GQ:DP:FDP:RO:FRO:AO:FAO:AF:SAR:SAF:SRF:SRR:FSAR:FSAF:FSRF:FSRR    0/1:34:170:175:137:141:32:34:0.194286:12:20:55:82:14:20:57:84
12    112036795    .    T    A    34.0248    PASS    AF=0.45121;AO=32;DP=170;FAO=34;FDP=175;FR=.;FRO=141;FSAF=20;FSAR=14;FSRF=57;FSRR=84;FWDB=-0.0842492;FXX=0.0056815;HRUN=2;LEN=1;MLLD=83.7705;OALT=C;OID=.;OMAPALT=C;OPOS=112036782;OREF=T;PB=0.5;PBP=1;QD=0.77771;RBI=0.128679;REFB=-0.0310314;REVB=-0.0972646;RO=137;SAF=20;SAR=12;SRF=55;SRR=82;SSEN=0;SSEP=0;SSSB=0.280873;STB=0.645079;STBP=0.067;TYPE=snp;VARB=0.090833;ANN=ATXN2    GT:GQ:DP:FDP:RO:FRO:AO:FAO:AF:SAR:SAF:SRF:SRR:FSAR:FSAF:FSRF:FSRR    0/1:34:170:175:137:141:32:34:0.194286:12:20:55:82:14:20:57:84

desired output
Code:
12    112036782    .    T    C    34.0248    PASS     AF=0.194286;AO=32;DP=170;FAO=34;FDP=175;FR=.;FRO=141;FSAF=20;FSAR=14;FSRF=57;FSRR=84;FWDB=-0.0842492;FXX=0.0056815;HRUN=2;LEN=1;MLLD=83.7705;OALT=C;OID=.;OMAPALT=C;OPOS=112036782;OREF=T;PB=0.5;PBP=1;QD=0.77771;RBI=0.128679;REFB=-0.0310314;REVB=-0.0972646;RO=137;SAF=20;SAR=12;SRF=55;SRR=82;SSEN=0;SSEP=0;SSSB=0.280873;STB=0.645079;STBP=0.067;TYPE=snp;VARB=0.090833;ANN=ATXN2     GT:GQ:DP:FDP:RO:FRO:AO:FAO:AF:SAR:SAF:SRF:SRR:FSAR:FSAF:FSRF:FSRR     0/1:34:170:175:137:141:32:34:0.194286:12:20:55:82:14:20:57:84

 

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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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