You are either allocating too much or too little. When you need memory for "123456789012" you need to malloc memory for 13 (12 char + 1 NULL) characters otherwise you see junk concatenated in the output. Here you know there will be 12 characters so why not do...
I used Notepad to compile my txt file and then I transferred this file to UNIX. When I use vi to open the file, I found that at the end of each line there was a "^M" character.
In the original txt file there was not this character. Why this character would been added automatically in UNIX? (4 Replies)
Hello every one and thanks in advance for the time you will take to think about my problem.
I would like to know if it's possible (in BASH) to read a text file character after character.
Exactly this is what I would like to do :
Txt file : ATGCAGTTCATTGCCAAA...... (~2.5 millions... (3 Replies)
Hi all,
I executed this script
top -n 1 | awk '{ if (NR==3) print $2 }'and it will give me in console
'31.6%us,'however, if I put the same script in txt file
top -n 1 | awk '{ if (NR==3) print $2 }' >> test.txtwhen I open the test.txt
I see
31.6%ESC(BESCI just actually need the 31.6 % to be... (1 Reply)
Hi friend,
i have the following problem:
when i am writting the below command on the command prompt , its working.
while read -n 1 ch; do echo "$ch" ; echo "$ch" ; done<file_name.out.
but when i am executing it after saving it in a ksh file, its not working.
Please helppppppppp .. thankss... (18 Replies)
I have written an application in Tcl-Expect which spawns minicom and
sends and receives data via the serial port. Sometimes i see that the
application receives control characters along with human readable data.
A search on the internet tells me that the control characters are
nothing but the VT... (0 Replies)
Hi All,
I am trying to read a file character by character,
#!/bin/bash
while read -n1 char; do
echo -e "$char\c"
done < /home/shak/testprogram/words
Newyork is a very good city.
Newyorkisaverygoodcityforliving
I need to preserve the spaces as thats an... (3 Replies)
Hi,
I am trying to sort a csv file which has say 10 lines each line having a row size that is upto 30183 no. of COLUMNS (Row length = 30183). There is a LINE FEED (LF) at the end of each line. When I try to sort this file say, based on the second FIELD using the below command,
sort -t ',' +1... (5 Replies)
so, i want to tail about the last 3000 lines of a log file and find the column that has the same number of characters across all 3000 lines (or most of the 3000 lines)
tail -3000 logfile | while read line
do
ColumnCharCount=$(for eachwordorwhatever in "${echo $line}"
do
... (8 Replies)
Good day, I am a newbie here and thanks for accepting me
I have a task to modify input data where my input data looks like
123|34567|CHINE
1|23|INDIA
34512|21|USA
104|901|INDIASee that my input has two columns with different character length but max length is 5 and minimum length is 0 which... (1 Reply)
Today I changed the forum mysql database to permit 2 letter searches:
ft_min_word_len=2
I rebuilt the mysql search indexes as well.
Then, I added a "quick search bar" at the top of each page.
I have tested this and two letter searches are working; but it's not perfect,... (1 Reply)