9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
This returns 0 even when it does not delete any files.
Is it because -print returns 0?
RETVAL=$?
Docs_Backups=/media/andy/MAXTOR_SDB1/Ubuntu_Mate_18.04/Documents_Backups/
Scripts_Backups=/media/andy/MAXTOR_SDB1/Ubuntu_Mate_18.04/Script_Backups/
# create some old files
#touch -d 20120101... (4 Replies)
Discussion started by: drew77
4 Replies
2. Shell Programming and Scripting
I'm having a little trouble returning a value from a function or calling it, I'm not quite sure.
I'm calling the function here
function region_lookup_with_details {
results = $(set_region)
echo $results
}
This is the function I'm calling
function set_region {
... (8 Replies)
Discussion started by: akechnie
8 Replies
3. Shell Programming and Scripting
I need help to store the value returned from the function to one variable and then use that variable.
PREVIOUS_DATE_FUNCTION()
{
date '+%m %d %Y' |
{
read MONTH DAY YEAR
DAY=`expr "$DAY" - 1`
case "$DAY" in
0)
MONTH=`expr "$MONTH" - 1`
case... (1 Reply)
Discussion started by: aroragaurav.84
1 Replies
4. Shell Programming and Scripting
#/bin/sh
.....
#convert memory to MB
let "mmsize_a= ($mmsize)/256"
let "mminuse_a= ($mminuse)/256"
let "mmfree_a= ($mmsize_a -$mminuse_a)"
let "mmfreepercent= (($mmfree_a)/($mmsize_a))*100"
#
#format output
echo "\n\n######################" >>$sndFile
echo "\n$sysName Total Memory usage"... (3 Replies)
Discussion started by: Daniel Gate
3 Replies
5. UNIX for Dummies Questions & Answers
Sometimes I observe this in gdb:
(gdb) br my_function
Breakpoint .. at 0x...: file ..., line ...
i.e., "my_function" does exist in the current executable.
however, dlsym does not find it:
(gdb) p dlsym(0,"my_function")
$6 = 0
This is a C program; dlsym does find other defined functions and... (2 Replies)
Discussion started by: sds
2 Replies
6. Shell Programming and Scripting
Hi all,
I am trying to grep a .txt file for a word. When I hit enter, it returns back to $
The file is 4155402 in size and is named in this way:
*_eveningtimes_done_log.txt
I use this command, being in the same directory as the file:
grep -i "invalid" *_eveningtimes_done_log.txt
... (16 Replies)
Discussion started by: DallasT
16 Replies
7. Shell Programming and Scripting
Hi
I have a small function which returns a wrong value.
The function tries to make a connection to oracle database and tries to get the open_mode of the database in the variable status.
However when a database is down the value of the status column is set to READWRITE i am not sure why.
I... (0 Replies)
Discussion started by: xiamin
0 Replies
8. UNIX for Dummies Questions & Answers
Is there a command where I can pipe my grep into it and it will output it with spaces rather than returns?
Example
I want to turn
prompt$ grep blah file
blah
blah
into this
prompt$ grep blah file | someCommand
blah blah (1 Reply)
Discussion started by: mrwatkin
1 Replies
9. Shell Programming and Scripting
Can I create a function to return non-interger value in shell script?
for example,
function getcommand ()
{
echo "read command"
read command
echo $command
}
command=$(getcommand)
I tried to do something as above. The statement echo "read command" does not show up.
... (5 Replies)
Discussion started by: lalelle
5 Replies