tr explanation please Post: 302119577

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

tr explanation please

how does below tr command replace nonletters with newlines? I think I understand tr -cs '\n' part.. but what is A-Za-z\' <--- what is this?? tr -cs A-Za-z\' '\n' | -c --complement -s, --squeeze-repeats replace each input sequence of a repeated character that is...

2. UNIX and Linux Applications

need explanation

Hi am having a c pgm. It has the include files (unistd.h,sys/types.h,win.h,scr.h,curses.h,stdarg.h and color.h). I don't know the purpose of these include files. will u plz explain me.

3. Shell Programming and Scripting

Variable explanation

What does this part in the following code ? if ; then $t shows some time values for getting the response, but why .$t and what does the . after the != t=$(time -p wget --quiet --post-data='username=xxx&password=xxxx&id=xxxxxx' --no-check-certificate --output-document=/tmp/sms-status_out...

4. Shell Programming and Scripting

same action in then as in else: explanation?

in /etc/init.d/networking of an ubuntu computer, I found this code: if ifdown -a --exclude=lo; then log_action_end_msg $? else log_action_end_msg $? fi Shouldn't it be replace by ifdown -a --exclude=lo ...

5. UNIX for Dummies Questions & Answers

In need of explanation

Its great someone provided this script that strips out a filename and extension but can someone explain how each line works? file1='Jane Mid Doe.txt' newfile='Jane.txt' 1) ext=${file1##*.} 2) filename=${file%%.???} 3) set -- $filename 4) newfile="1.$extension"

6. Shell Programming and Scripting

code explanation

Can you please explain the following code plz? my_cd=' ' while getopts :e: OPTION; do case "$OPTION" in e) my_cd ="$OPTARG";; esac done if ; then echo " >>> ERROR - I am wrong" echo " >>> ERROR - Hello" exit 99 fi What I don't understand is what is OPTION or...

7. Shell Programming and Scripting

awk explanation

Hello, I have recently come across this awk program. Can some one shed some light on what is taking place. awk '{!a++}END{for(i in a) if ( a >10 ) print a,i }' $FILE Best Regards, jaysunn

8. UNIX for Dummies Questions & Answers

Explanation on egrep

Hi all I am new to egrep can someone please explain me what does the below Statement do egrep -v "^missing sales|^\ Thanks in advance Sri Please use next time code tags for your code and data

9. Shell Programming and Scripting

Need explanation

Hi, I need more explination on it, how it works abcd="$(echo "$abcd" | sed 's/ //g')" >> ${LOGFILE} 2>&1 can any one suggest me on this? Rgds, LKR

10. UNIX for Beginners Questions & Answers

Function explanation

dear sir, I am new to unix zone. need some explanation on the function used. cat /apps/prd/venue/code/bin/std.funcs #!/usr/bin/ksh #------------------------------------------------------------------- # printmsg: prints the message given in arg 1 with timestamp to # stdout...

LEARN ABOUT NETBSD

fixed

fixed(3alleg4)							  Allegro manual						    fixed(3alleg4)

NAME

       fixed - Fixed point integer to replace floats. Allegro game programming library.

SYNOPSIS

       #include <allegro.h>

       typedef long fixed

DESCRIPTION

       This  is  a  fixed  point  integer  which can replace float with similar results and is faster than float on low end machines. Read chapter
       "Fixed point math routines" for the full explanation.

SEE ALSO

       ,  ex12bit(3alleg4),   ex3buf(3alleg4),	 ex3d(3alleg4),   excustom(3alleg4),   exfixed(3alleg4),   exrotscl(3alleg4),	exspline(3alleg4),
       exsprite(3alleg4), exstars(3alleg4), exupdate(3alleg4)

Allegro 							   version 4.4.2						    fixed(3alleg4)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting