awk - replacing stings in file1 with column1 in file2

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1. Shell Programming and Scripting

awk to update field in file2 if not the same as file1

Trying to use awk to: update $2 in file2 with the $2 value in file1, if $1 in file1 matches $13 in file2, which is tab-delimeted. The $2values may already be the same so in that case nothing happens and the next line is processed. There are exactly 4,605 unique $13 values. Thank you :). ...

2. Shell Programming and Scripting

awk to search field2 in file2 using range of fields file1 and using match to another field in file1

I am trying to use awk to find all the $2 values in file2 which is ~30MB and tab-delimited, that are between $2 and $3 in file1 which is ~2GB and tab-delimited. I have just found out that I need to use $1 and $2 and $3 from file1 and $1 and $2of file2 must match $1 of file1 and be in the range...

3. Shell Programming and Scripting

Replacing first field of file2 with the second filed of file1 for matching cases

Dear All, Need your help..:D I am not regular on shell scripts..:( I have 2 files.. Content of file1 cellRef 4};"4038_2_MTNL_KALAMBOLI" cellRef 1020};"4112_3_RAINBOW_BLDG" cellRef 134};"4049_2_TATA_HOSPITAL" cellRef 1003};"4242_3_HITESH_CONSTRUCTION" cellRef...

4. Shell Programming and Scripting

Looking for lines, which is present in file1 but not in file2 using UNIX and awk

I have 2 files with 7 fields and i want to print the lines which is present in file1 but not in file2 based on field1 and field2. Logic: I want to print all the lines, where there is a particular column1 and column2. And we do not find the set of column1 and column2 in file2. Example: "sc2/10...

5. Shell Programming and Scripting

Pattern Matching & replacing of content in file1 with file2

I have file 1 & file 2 with content mentioned below. I want to get the output as shown in file3. Requirement: check the content of column 1 & column 2, if value of column 1 in file1 matches with first column of file2 then remaining columns(2&3) of file2 should get replaced, also if value of...

6. Shell Programming and Scripting

[awk] split file1 and save it as var from file2

I have 2 files: file_1: file_2: expected result: name file: "artV1" "artV2" etc. I have: but why don;t work save to file 'out'??

7. UNIX for Dummies Questions & Answers

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...

8. Shell Programming and Scripting

Awk Compare File1 File2 on f2

I'm trying to compare two files using AWK, where if field2 of both files match, replace field1 of file1 with field1 of file2 and if there is no match just print the line of file1. file1.txt (has empty first field) :ABBATOM:B:H:1992 :ABBA TROJAN:B:H:1993 :ABBES FIRST HOPE:B:M:1997 :ABBEYS...

9. Shell Programming and Scripting

replacing text in file1 with list from file2

I am trying to automate a process of searching through a set of files and replace all occurrences of a formatted text with the next item in the list of a second file. Basically i need to replace all instances of T????CLK???? with an IP address from a list in a second file. the second file is one IP...

10. Shell Programming and Scripting

Awk Compare f1,f2,f3 of File1 with f1 of File2

I have an Awk string-compare problem and have searched the internet and forums for a solution i could use but cannot find a solution i understand to make work with my particular problem: I need to compare (field1 field2 field3 of File1) against (field1 of File2) and if they match print out...

Shell Programming and Scripting