Sponsored Content
Top Forums Shell Programming and Scripting stampare righe precedenti ad un match in file Post 302340709 by fabi20 on Tuesday 4th of August 2009 08:30:15 AM
Old 08-04-2009
stampare righe precedenti ad un match in file

Salve a tutti...volevo chiedere a voi,che sicuramente ne sapete piu di me,come posso ottenere la seguente soluzione:

ho un file del tipo:

CIAO COME STAI
PERCHE COME STAI
CIAO COME VA
ALLO CHE FACCIAMO
.................

io vorre che nel caso in cui in una riga è presenta la parola "CHE" allora stampo a video le tre righe precedenti alla parola ottenendo quindi:

CIAO COME STAI
PERCHE COME STAI
CIAO COME VA


Come shell uso la KORN SHELL..vi ringrazio in anticipo per l'aiuto...
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

How to find first match and last match in a file

Hi All, I have a below file: ================== 02:53 pravin-root 02:53 pravin-root 03:05 pravin-root 02:55 pravin1-root 02:59 pravin1-root ================== How do I find the first and last value of column 1. For example, how do I find 02:53 is the first time stamp and 03:05 is... (3 Replies)
Discussion started by: praving5
3 Replies

2. Shell Programming and Scripting

Strings from one file which exactly match to the 1st column of other file and then print lines.

Hi, I have two files. 1st file has 1 column (huge file containing ~19200000 lines) and 2nd file has 2 columns (small file containing ~6000 lines). ################################# huge_file.txt a a ab b ################################## small_file.txt a 1.5 b 2.5 ab ... (4 Replies)
Discussion started by: AshwaniSharma09
4 Replies

3. Shell Programming and Scripting

estrarre più righe con awk da files html

salve a tutti, sono nuovo di questo forum e sono nuovo anche come shell scripter diciamo. il mio problema è quello di avere dei files html in una directory e da questi vorrei estrarre un dato che si trova tra due righe differenti Ecco la mia situazione <td align="default">ossidabilità (mg/l): ... (1 Reply)
Discussion started by: sbobotex
1 Replies

4. UNIX for Dummies Questions & Answers

Help with AWK - Compare a field in a file to lookup file and substitute if only a match

I have the below 2 files: 1) Third field from file1.txt should be compared to the first field of lookup.txt. 2) If match found then third field, file1.txt should be substituted with the second field from lookup.txt. 3)Else just print the line from file1.txt. File1.txt:... (4 Replies)
Discussion started by: venalla_shine
4 Replies

5. Shell Programming and Scripting

Match list of strings in File A and compare with File B, C and write to a output file in CSV format

Hi Friends, I'm a great fan of this forum... it has helped me tone my skills in shell scripting. I have a challenge here, which I'm sure you guys would help me in achieving... File A has a list of job ids and I need to compare this with the File B (*.log) and File C (extend *.log) and copy... (6 Replies)
Discussion started by: asnandhakumar
6 Replies

6. Shell Programming and Scripting

Match pattern1 in file, match pattern2, substitute value1 in line

not getting anywhere with this an xml file contains multiple clients set up with same tags, different values. I need to parse the file for client foo, and change the value of tag "64bit" from false to true. cat clients.xml <Client type"FIX"> <ClientName>foo</ClientName>... (3 Replies)
Discussion started by: jack.bauer
3 Replies

7. Shell Programming and Scripting

Display match or no match and write a text file to a directory

The below bash connects to a site, downloads a file, searches that file based of user input - could be multiple (all that seems to work). What I am not able to figure out is how to display on the screen match found or no match found" and write a file to a directory (C:\Users\cmccabe\Desktop\wget)... (4 Replies)
Discussion started by: cmccabe
4 Replies

8. Shell Programming and Scripting

Rename specific file extension in directory with match to another file in bash

I have a specific set (all ending with .bam) of downloaded files in a directory /home/cmccabe/Desktop/NGS/API/2-15-2016. What I am trying to do is use a match to $2 in name to rename the downloaded files. To make things a more involved the date of the folder is unique and in the header of name... (1 Reply)
Discussion started by: cmccabe
1 Replies

9. Shell Programming and Scripting

awk to update file based on partial match in field1 and exact match in field2

I am trying to create a cronjob that will run on startup that will look at a list.txt file to see if there is a later version of a database using database.txt as the source. The matching lines are written to output. $1 in database.txt will be in list.txt as a partial match. $2 of database.txt... (2 Replies)
Discussion started by: cmccabe
2 Replies

10. Shell Programming and Scripting

Search file containing ps results for a match "my.cnf" and then for a second match . "ok:" and

I need to find two matches in the output from ps. I am searching with ps -ef |grep mysql for: my.cnf /bin/sh /usr/bin/mysqld_safe --defaults-file=/data/mysql/master/agis_core/etc/my.cnf after this match I want to search back and match the hostname which is x number of lines back, above the... (2 Replies)
Discussion started by: bash_in_my_head
2 Replies
VM(1)								      mgetty								     VM(1)

NAME
vm - VoiceModem is the program for handling the voice modem functionality from shell scripts ACTIONS
beep options [<frequency [<length in 0.001sec>]]> diagnostics options device name (e.g. ttyS2 dial options phone number help play options [<file names]+> record options file name shell options [<shell script [shell options]]> wait options [<time in seconds]> devicetest OPTIONS
-c n use compression type n -d n set i/o device -t, -m, -i, -e, -s, -H equals to -d <2,3,4,5,6,7> -l s set device string (e.g. -l ttyS2:ttyC0) -v verbose output -w use off / on hook signal from local handset to start and stop recording -x n set debug level -L n set maximum recording length in sec -P print first DTMF tone on stdout and exit -R read and print DTMF string on stdout and exit -S s set default shell for shell scripts (e.g. -S /bin/sh) -T n set silence timeout in 0.1sec -V n set silence threshold to <n> (0-100%%) SEE ALSO
vgetty(1) POD ERRORS
Hey! The above document had some coding errors, which are explained below: Around line 30: You forgot a '=back' before '=head1' Around line 32: '=item' outside of any '=over' Around line 71: You forgot a '=back' before '=head1' perl v5.10.1 2010-04-04 VM(1)
All times are GMT -4. The time now is 02:49 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy