Sponsored Content
Top Forums Shell Programming and Scripting reading each line from a file Post 302114214 by mercy on Friday 13th of April 2007 05:15:03 AM
Old 04-13-2007
another way for bash/csh
Code:
for i in `cat input_file` ; do
echo $i 
done

 

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

KSH: Reading a file line by line into multiple arrays

Hi - I have a file that contains data in this format:- #comment value1 value2 value3 #comment value4 value5 value6 value7 #comment value8 value9 I need to read value1, value2 and value3 into one array, value4 value5 value6 and value7 into another array and value8 and value9 into a 3rd... (2 Replies)
Discussion started by: sniper57
2 Replies

2. Shell Programming and Scripting

reading a file inside awk and processing line by line

Hi Sorry to multipost. I am opening the new thread because the earlier threads head was misleading to my current doubt. and i am stuck. list=`cat /u/Test/programs`; psg "ServTest" | awk -v listawk=$list '{ cmd_name=($5 ~ /^/)? $9:$8 for(pgmname in listawk) ... (6 Replies)
Discussion started by: Anteus
6 Replies

3. Shell Programming and Scripting

[Solved] Problem in reading a file line by line till it reaches a white line

So, I want to read line-by-line a text file with unknown number of files.... So: a=1 b=1 while ; do b=`sed -n '$ap' test` a=`expr $a + 1` $here do something with b etc done the problem is that sed does not seem to recognise the $a, even when trying sed -n ' $a p' So, I cannot read... (3 Replies)
Discussion started by: hakermania
3 Replies

4. UNIX for Dummies Questions & Answers

Parsing file, reading each line to variable, evaluating date/time stamp of each line

So, the beginning of my script will cat & grep a file with the output directed to a new file. The data I have in this file needs to be parsed, read and evaluated. Basically, I need to identify the latest date/time stamp and then calculate whether or not it is within 15 minutes of the current... (1 Reply)
Discussion started by: hynesward
1 Replies

5. Shell Programming and Scripting

How to start reading from the nth line till the last line of a file.

Hi, For my reuirement, I have to read a file from the 2nd line till the last line<EOF>. Say, I have a file as test.txt, which as a header record in the first line followed by records in rest of the lines. for i in `cat test.txt` { echo $i } While doing the above loop, I have read... (5 Replies)
Discussion started by: machomaddy
5 Replies

6. Shell Programming and Scripting

Reading text file, comparing a value in a line, and placing only part of the line in a variable?

I need some help. I would like to read in a text file. Take a variable such as ROW-D-01, compare it to what's in one line in the text file such as PROD/VM/ROW-D-01 and only input PROD/VM into a variable without the /ROW-D-01. Is this possible? any help is appreciated. (2 Replies)
Discussion started by: xChristopher
2 Replies

7. Shell Programming and Scripting

Comparison of fields then increment a counter reading line by line in a file

Hi, i have a scenario were i should compare a few fields from each line then increment a variable based on that. Example file 989878|8999|Y|0|Y|N|V 989878|8999|Y|0|N|N|V 989878|8999|Y|2344|Y|N|V i have 3 conditions to check and increment a variable on every line condition 1 if ( $3... (4 Replies)
Discussion started by: selvankj
4 Replies

8. Shell Programming and Scripting

Reading line by line from live log file using while loop and considering only those lines start from

Hi, I want to read a live log file line by line and considering those line which start from time stamp; Below code I am using, which read line but throws an exception when comparing line that does not contain error code tail -F /logs/COMMON-ERROR.log | while read myline; do... (2 Replies)
Discussion started by: ketanraut
2 Replies

9. UNIX for Beginners Questions & Answers

Reading a file line by line and print required lines based on pattern

Hi All, i want to write a shell script read below file line by line and want to exclude the lines which contains empty value for MOUNTPOINT field. i am using centos 7 Operating system. want to read below file. # cat /tmp/d5 NAME="/dev/sda" TYPE="disk" SIZE="60G" OWNER="root"... (4 Replies)
Discussion started by: balu1234
4 Replies
iterator_info_s(3)						     net-snmp							iterator_info_s(3)

NAME
iterator_info_s - Holds iterator information containing functions which should be called by the iterator_handler to loop over your data set and sort it in a SNMP specific manner. SYNOPSIS
Data Fields netsnmp_container c Netsnmp_Iterator_Loop_Key * get_first Netsnmp_Iterator_Loop_Key * get_next Netsnmp_Iterator_Loop_Data * get_data Netsnmp_Iterator_Data * free_user_ctx Netsnmp_Iterator_Ctx * init_loop_ctx Netsnmp_Iterator_Ctx * cleanup_loop_ctx Netsnmp_Iterator_Ctx_Dup * save_pos Netsnmp_Iterator_Data * release_data Netsnmp_Iterator_Data * insert_data Netsnmp_Iterator_Data * remove_data Netsnmp_Iterator_Op * get_size int sorted void * user_ctx This can be used by client handlers to store any information they need. Detailed Description Holds iterator information containing functions which should be called by the iterator_handler to loop over your data set and sort it in a SNMP specific manner. The iterator_info typedef can be used instead of directly calling this struct if you would prefer. Definition at line 39 of file container_iterator.c. Field Documentation void* iterator_info_s::user_ctx This can be used by client handlers to store any information they need. Definition at line 69 of file container_iterator.c. Author Generated automatically by Doxygen for net-snmp from the source code. Version 5.5 23 Sep 2009 iterator_info_s(3)
All times are GMT -4. The time now is 03:26 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy