Sponsored Content
Top Forums Shell Programming and Scripting Pattern Matching & replacing of content in file1 with file2 Post 302777997 by Scrutinizer on Saturday 9th of March 2013 04:03:18 AM
Old 03-09-2013
Your solution would need to be processing two files, you could do that using awk. There are many examples like that with the NR==FNR construct. You could first build an index (say using an array "A") with the entries from file 2 (column1 is the index, column 2 the value). Then when processing file 1 you can first look at field 2 and then at field 3 and if they are present in array "A" then replace them with that vaiue ($2=A[$2]). OFS can be used to change the output field separator to a comma.

Would that help you?
 

10 More Discussions You Might Find Interesting

1. 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... (9 Replies)
Discussion started by: dovetail
9 Replies

2. Shell Programming and Scripting

awk/sed search lines in file1 matching columns in file2

Hi All, as you can see I'm pretty new to this board. :D I'm struggling around with small script to search a few fields in another file. Basically I have file1 looking like this: 15:38:28 sz:10001 pr:14.16 15:38:28 sz:10002 pr:18.41 15:38:29 sz:10003 pr:19.28 15:38:30 sz:10004... (1 Reply)
Discussion started by: floripoint
1 Replies

3. UNIX for Advanced & Expert Users

print contents of file2 for matching pattern in file1 - AWK

File1 row is same as column 2 in file 2. Also file 2 will either start with A, B or C. And 3rd column in file 2 is always F2. When column 2 of file 2 matches file1 column, print all those rows into a separate file. Here is an example. file 1: 100 103 104 108 file 2: ... (6 Replies)
Discussion started by: i.scientist
6 Replies

4. Shell Programming and Scripting

awk - replacing stings in file1 with column1 in file2

Hello, I've never used awk before, but from what I've read, it will best suit what I'm trying to do. I have 2 files. I need to replace strings in file1 with the first column of a matching string in file2. Below are examples: File1: random-string1 1112 1232 3213 2131 random-string2... (7 Replies)
Discussion started by: upstate_boy
7 Replies

5. Shell Programming and Scripting

AWK - Pattern Matching & Replacing - Performance

Experts, I am a beginner to Unix Shell Scripting We have source as a flat file which contains CTRL+F character as the delimiter. We need to count the number of records in the file (CTRL+F) to perform file validation Following command being used: awk '{cnt+=gsub(//,"&")}END {print cnt}'... (4 Replies)
Discussion started by: srivijay81
4 Replies

6. 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... (3 Replies)
Discussion started by: pathunkathunk
3 Replies

7. Shell Programming and Scripting

Based on column in file1, find match in file2 and print matching lines

file1: file2: I need to find matches for any lines in file1 that appear in file2. Desired output is '>' plus the file1 term, followed by the line after the match in file2 (so the title is a little misleading): This is honestly beyond what I can do without spending the whole night on it, so I'm... (2 Replies)
Discussion started by: pathunkathunk
2 Replies

8. Shell Programming and Scripting

Compare file1 for matching line in file2 and print the difference in matching lines

Hello, I have two files file 1 and file 2 each having result of a query on certain database tables and need to compare for Col1 in file1 with Col3 in file2, compare Col2 with Col4 and output the value of Col1 from File1 which is a) not present in Col3 of File2 b) value of Col2 is different from... (2 Replies)
Discussion started by: RasB15
2 Replies

9. 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... (6 Replies)
Discussion started by: ailnilanjan
6 Replies

10. UNIX for Dummies Questions & Answers

Compare file1 and file2, print matching lines in same order as file1

I want to print only the lines in file2 that match file1, in the same order as they appear in file 1 file1 file2 desired output: I'm getting the lines to match awk 'FNR==NR {a++}; FNR!=NR && a' file1 file2 but they are in sorted order, which is not what I want: Can anyone... (4 Replies)
Discussion started by: pathunkathunk
4 Replies
INGRES_FIELD_LENGTH(3)							 1						    INGRES_FIELD_LENGTH(3)

ingres_field_length - Get the length of a field

SYNOPSIS
int ingres_field_length (resource $result, int $index) DESCRIPTION
ingres_field_length(3) returns the length of a field. This is the number of bytes the server uses to store the field. For detailed informa- tion, see the Ingres OpenAPI User Guide, Appendix "Data Types" in the Ingres documentation. Note Related Configurations See ingres.array_index_start in Runtime Configuration PARAMETERS
o $result - The query result identifier o $index -$index is the column number whose length will be retrieved. The possible values of $index depend upon the value of ingres.array_index_start. If ingres.array_index_start is 1 (the default) then $index must be between 1 and the value returned by ingres_num_fields(3). If ingres.array_index_start is 0 then $index must be between 0 and ingres_num_fields(3) - 1. RETURN VALUES
Returns the length of a field. SEE ALSO
ingres_query(3), ingres_fetch_array(3), ingres_fetch_assoc(3), ingres_fetch_object(3), ingres_fetch_row(3). PHP Documentation Group INGRES_FIELD_LENGTH(3)
All times are GMT -4. The time now is 04:49 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy