Adding size of files using shell script
2
I want to add and echo the sum of several files using shell script. How do I start?
I have a list of them like that:
$ stat /etc/*.conf | grep Size | cut -f4 -d' '
123
456
789
101112
shell-script shell
edited Nov 21 at 7:16
muru
1
asked Nov 21 at 7:13
C. Cristi
1647
add a comment |
2
I want to add and echo the sum of several files using shell script. How do I start?
I have a list of them like that:
$ stat /etc/*.conf | grep Size | cut -f4 -d' '
123
456
789
101112
shell-script shell
edited Nov 21 at 7:16
muru
1
asked Nov 21 at 7:13
C. Cristi
1647
5
you don't we simply usedu?
– msp9011
Nov 21 at 7:30
1
@msp9011,duwill calculate also subdirectories
– Romeo Ninov
Nov 21 at 7:39
1
@RomeoNinov here we are checking only files...du -b /etc/*.conf
– msp9011
Nov 21 at 8:42
@msp9011 Not if there is a directory matching the pattern. It's unlikely but not impossible.
– BlackJack
Nov 21 at 17:55
@msp9011 due to block sizes, etc, disk usage is not the same as total file size.
– OrangeDog
Nov 22 at 11:45
add a comment |
2
2
2
I want to add and echo the sum of several files using shell script. How do I start?
I have a list of them like that:
$ stat /etc/*.conf | grep Size | cut -f4 -d' '
123
456
789
101112
shell-script shell
edited Nov 21 at 7:16
muru
1
asked Nov 21 at 7:13
C. Cristi
1647
I want to add and echo the sum of several files using shell script. How do I start?
I have a list of them like that:
$ stat /etc/*.conf | grep Size | cut -f4 -d' '
123
456
789
101112
shell-script shell
shell-script shell
edited Nov 21 at 7:16
muru
1
asked Nov 21 at 7:13
C. Cristi
1647
edited Nov 21 at 7:16
muru
1
asked Nov 21 at 7:13
C. Cristi
1647
edited Nov 21 at 7:16
muru
1
edited Nov 21 at 7:16
muru
1
edited Nov 21 at 7:16
muru
1
1
asked Nov 21 at 7:13
C. Cristi
1647
asked Nov 21 at 7:13
C. Cristi
1647
asked Nov 21 at 7:13
C. Cristi
1647
1647
5
you don't we simply usedu?
– msp9011
Nov 21 at 7:30
1
@msp9011,duwill calculate also subdirectories
– Romeo Ninov
Nov 21 at 7:39
1
@RomeoNinov here we are checking only files...du -b /etc/*.conf
– msp9011
Nov 21 at 8:42
@msp9011 Not if there is a directory matching the pattern. It's unlikely but not impossible.
– BlackJack
Nov 21 at 17:55
@msp9011 due to block sizes, etc, disk usage is not the same as total file size.
– OrangeDog
Nov 22 at 11:45
add a comment |
5
you don't we simply usedu?
– msp9011
Nov 21 at 7:30
1
@msp9011,duwill calculate also subdirectories
– Romeo Ninov
Nov 21 at 7:39
1
@RomeoNinov here we are checking only files...du -b /etc/*.conf
– msp9011
Nov 21 at 8:42
@msp9011 Not if there is a directory matching the pattern. It's unlikely but not impossible.
– BlackJack
Nov 21 at 17:55
@msp9011 due to block sizes, etc, disk usage is not the same as total file size.
– OrangeDog
Nov 22 at 11:45
5
5
you don't we simply use
du?– msp9011
Nov 21 at 7:30
you don't we simply use
du?– msp9011
Nov 21 at 7:30
1
1
@msp9011,
du will calculate also subdirectories– Romeo Ninov
Nov 21 at 7:39
@msp9011,
du will calculate also subdirectories– Romeo Ninov
Nov 21 at 7:39
1
1
@RomeoNinov here we are checking only files...
du -b /etc/*.conf– msp9011
Nov 21 at 8:42
@RomeoNinov here we are checking only files...
du -b /etc/*.conf– msp9011
Nov 21 at 8:42
@msp9011 Not if there is a directory matching the pattern. It's unlikely but not impossible.
– BlackJack
Nov 21 at 17:55
@msp9011 Not if there is a directory matching the pattern. It's unlikely but not impossible.
– BlackJack
Nov 21 at 17:55
@msp9011 due to block sizes, etc, disk usage is not the same as total file size.
– OrangeDog
Nov 22 at 11:45
@msp9011 due to block sizes, etc, disk usage is not the same as total file size.
– OrangeDog
Nov 22 at 11:45
add a comment |
5 Answers
5
active
oldest
votes
2
You can do this …
total=0
for s in $(stat /etc/*.conf | grep Size | cut -f4 -d' '); do
total=$(expr $total + $s)
done
answered Nov 21 at 7:20
Red Cricket
1,20431732
Thanks! and if I want to output it in a file I do:echo total > my_file.txt, right? And what if I want to output the errors too what do I do then?
– C. Cristi
Nov 21 at 7:25
4
Don't use grep or cut on stat output. stat has format flags (%s) for this
– ohno
Nov 21 at 10:20
5
Also, 'Size' is likely to assume an English or "C " locale.
– xenoid
Nov 21 at 13:43
add a comment |
13
Also something like can do the work (with awk)
stat -c "%s" /etc/*.conf|awk '{s+=$1} END {print s}'
answered Nov 21 at 7:35
Romeo Ninov
5,20231827
1
It requires you know a little AWK syntax (which, on the whole, is graciously C-like), but AWK is good at "sum up this column in this delimited file and print the total for me." Sometimes I forget.:)
– TheDudeAbides
Dec 19 at 19:21
add a comment |
12
stat -c "%s" /etc/*.conf|paste -sd+|bc -l
answered Nov 21 at 7:22
Ipor Sircer
10.5k11024
Although effectively the same as @xenoid's solution, I prefer this because 1) less rigamarole with format strings and remembering to append the final "0"; and 2) while it costs a process, it hews closer to the "one thing well" philosophy. It's also a useful use of the (perhaps underappreciated)pasteutility that can be applied to a larger class of problems: separating a bunch of stuff with a delimiter. Another example is "unwrapping" (removing the line breaks from) a text file:paste -sd$' ' inputfile.
– TheDudeAbides
Nov 21 at 23:20
2
@TheDudeAbides, all those things are true about awk. And it use one process less. And IMO is much more readable
– Romeo Ninov
Nov 22 at 10:29
add a comment |
10
With bc
{ stat -c '%s+' /etc/*.conf ; echo 0 ; } | bc
- The
statformat adds a+sign and a continuation character after each size - a
0is appended at the end to close the dangling final+
answered Nov 21 at 10:06
xenoid
2,6681724
add a comment |
7
The most straightforward way is to use du -bc:
$ du -bc /etc/*.conf
5139 /etc/man_db.conf
393 /etc/nsswitch.conf
5532 total
If you need to extract only the number of bytes, pipe the output to awk:
$ du -bc /etc/*.conf | awk 'END { print $1 }'
5532
answered Nov 21 at 8:43
Martin Frodl
1884
Hope ... OP doesn't require the grand total size of all files...
– msp9011
Nov 21 at 8:55
1
Also note that this gives disk usage, not apparent sizes of the files.--apparent-sizeoption may be needed to use apparent sizes.
– Ruslan
Nov 21 at 17:04
@Ruslan Theawkline also strips off thetotal
– Izkata
Nov 21 at 18:09
@Izkata oh, indeed, didn't notice this bit.
– Ruslan
Nov 21 at 18:49
add a comment |
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5 Answers
5
active
oldest
votes
5 Answers
5
active
oldest
votes
active
oldest
votes
active
oldest
votes
2
You can do this …
total=0
for s in $(stat /etc/*.conf | grep Size | cut -f4 -d' '); do
total=$(expr $total + $s)
done
answered Nov 21 at 7:20
Red Cricket
1,20431732
Thanks! and if I want to output it in a file I do:echo total > my_file.txt, right? And what if I want to output the errors too what do I do then?
– C. Cristi
Nov 21 at 7:25
4
Don't use grep or cut on stat output. stat has format flags (%s) for this
– ohno
Nov 21 at 10:20
5
Also, 'Size' is likely to assume an English or "C " locale.
– xenoid
Nov 21 at 13:43
add a comment |
2
You can do this …
total=0
for s in $(stat /etc/*.conf | grep Size | cut -f4 -d' '); do
total=$(expr $total + $s)
done
answered Nov 21 at 7:20
Red Cricket
1,20431732
Thanks! and if I want to output it in a file I do:echo total > my_file.txt, right? And what if I want to output the errors too what do I do then?
– C. Cristi
Nov 21 at 7:25
4
Don't use grep or cut on stat output. stat has format flags (%s) for this
– ohno
Nov 21 at 10:20
5
Also, 'Size' is likely to assume an English or "C " locale.
– xenoid
Nov 21 at 13:43
add a comment |
2
2
2
You can do this …
total=0
for s in $(stat /etc/*.conf | grep Size | cut -f4 -d' '); do
total=$(expr $total + $s)
done
answered Nov 21 at 7:20
Red Cricket
1,20431732
You can do this …
total=0
for s in $(stat /etc/*.conf | grep Size | cut -f4 -d' '); do
total=$(expr $total + $s)
done
answered Nov 21 at 7:20
Red Cricket
1,20431732
answered Nov 21 at 7:20
Red Cricket
1,20431732
answered Nov 21 at 7:20
Red Cricket
1,20431732
answered Nov 21 at 7:20
Red Cricket
1,20431732
1,20431732
Thanks! and if I want to output it in a file I do:echo total > my_file.txt, right? And what if I want to output the errors too what do I do then?
– C. Cristi
Nov 21 at 7:25
4
Don't use grep or cut on stat output. stat has format flags (%s) for this
– ohno
Nov 21 at 10:20
5
Also, 'Size' is likely to assume an English or "C " locale.
– xenoid
Nov 21 at 13:43
add a comment |
Thanks! and if I want to output it in a file I do:echo total > my_file.txt, right? And what if I want to output the errors too what do I do then?
– C. Cristi
Nov 21 at 7:25
4
Don't use grep or cut on stat output. stat has format flags (%s) for this
– ohno
Nov 21 at 10:20
5
Also, 'Size' is likely to assume an English or "C " locale.
– xenoid
Nov 21 at 13:43
Thanks! and if I want to output it in a file I do:
echo total > my_file.txt, right? And what if I want to output the errors too what do I do then?– C. Cristi
Nov 21 at 7:25
Thanks! and if I want to output it in a file I do:
echo total > my_file.txt, right? And what if I want to output the errors too what do I do then?– C. Cristi
Nov 21 at 7:25
4
4
Don't use grep or cut on stat output. stat has format flags (%s) for this
– ohno
Nov 21 at 10:20
Don't use grep or cut on stat output. stat has format flags (%s) for this
– ohno
Nov 21 at 10:20
5
5
Also, 'Size' is likely to assume an English or "C " locale.
– xenoid
Nov 21 at 13:43
Also, 'Size' is likely to assume an English or "C " locale.
– xenoid
Nov 21 at 13:43
add a comment |
13
Also something like can do the work (with awk)
stat -c "%s" /etc/*.conf|awk '{s+=$1} END {print s}'
answered Nov 21 at 7:35
Romeo Ninov
5,20231827
1
It requires you know a little AWK syntax (which, on the whole, is graciously C-like), but AWK is good at "sum up this column in this delimited file and print the total for me." Sometimes I forget.:)
– TheDudeAbides
Dec 19 at 19:21
add a comment |
13
Also something like can do the work (with awk)
stat -c "%s" /etc/*.conf|awk '{s+=$1} END {print s}'
answered Nov 21 at 7:35
Romeo Ninov
5,20231827
1
It requires you know a little AWK syntax (which, on the whole, is graciously C-like), but AWK is good at "sum up this column in this delimited file and print the total for me." Sometimes I forget.:)
– TheDudeAbides
Dec 19 at 19:21
add a comment |
13
13
13
Also something like can do the work (with awk)
stat -c "%s" /etc/*.conf|awk '{s+=$1} END {print s}'
answered Nov 21 at 7:35
Romeo Ninov
5,20231827
Also something like can do the work (with awk)
stat -c "%s" /etc/*.conf|awk '{s+=$1} END {print s}'
answered Nov 21 at 7:35
Romeo Ninov
5,20231827
answered Nov 21 at 7:35
Romeo Ninov
5,20231827
answered Nov 21 at 7:35
Romeo Ninov
5,20231827
answered Nov 21 at 7:35
Romeo Ninov
5,20231827
5,20231827
1
It requires you know a little AWK syntax (which, on the whole, is graciously C-like), but AWK is good at "sum up this column in this delimited file and print the total for me." Sometimes I forget.:)
– TheDudeAbides
Dec 19 at 19:21
add a comment |
1
It requires you know a little AWK syntax (which, on the whole, is graciously C-like), but AWK is good at "sum up this column in this delimited file and print the total for me." Sometimes I forget.:)
– TheDudeAbides
Dec 19 at 19:21
1
1
It requires you know a little AWK syntax (which, on the whole, is graciously C-like), but AWK is good at "sum up this column in this delimited file and print the total for me." Sometimes I forget.
:)– TheDudeAbides
Dec 19 at 19:21
It requires you know a little AWK syntax (which, on the whole, is graciously C-like), but AWK is good at "sum up this column in this delimited file and print the total for me." Sometimes I forget.
:)– TheDudeAbides
Dec 19 at 19:21
add a comment |
12
stat -c "%s" /etc/*.conf|paste -sd+|bc -l
answered Nov 21 at 7:22
Ipor Sircer
10.5k11024
Although effectively the same as @xenoid's solution, I prefer this because 1) less rigamarole with format strings and remembering to append the final "0"; and 2) while it costs a process, it hews closer to the "one thing well" philosophy. It's also a useful use of the (perhaps underappreciated)pasteutility that can be applied to a larger class of problems: separating a bunch of stuff with a delimiter. Another example is "unwrapping" (removing the line breaks from) a text file:paste -sd$' ' inputfile.
– TheDudeAbides
Nov 21 at 23:20
2
@TheDudeAbides, all those things are true about awk. And it use one process less. And IMO is much more readable
– Romeo Ninov
Nov 22 at 10:29
add a comment |
12
stat -c "%s" /etc/*.conf|paste -sd+|bc -l
answered Nov 21 at 7:22
Ipor Sircer
10.5k11024
Although effectively the same as @xenoid's solution, I prefer this because 1) less rigamarole with format strings and remembering to append the final "0"; and 2) while it costs a process, it hews closer to the "one thing well" philosophy. It's also a useful use of the (perhaps underappreciated)pasteutility that can be applied to a larger class of problems: separating a bunch of stuff with a delimiter. Another example is "unwrapping" (removing the line breaks from) a text file:paste -sd$' ' inputfile.
– TheDudeAbides
Nov 21 at 23:20
2
@TheDudeAbides, all those things are true about awk. And it use one process less. And IMO is much more readable
– Romeo Ninov
Nov 22 at 10:29
add a comment |
12
12
12
stat -c "%s" /etc/*.conf|paste -sd+|bc -l
answered Nov 21 at 7:22
Ipor Sircer
10.5k11024
stat -c "%s" /etc/*.conf|paste -sd+|bc -l
answered Nov 21 at 7:22
Ipor Sircer
10.5k11024
answered Nov 21 at 7:22
Ipor Sircer
10.5k11024
answered Nov 21 at 7:22
Ipor Sircer
10.5k11024
answered Nov 21 at 7:22
Ipor Sircer
10.5k11024
10.5k11024
Although effectively the same as @xenoid's solution, I prefer this because 1) less rigamarole with format strings and remembering to append the final "0"; and 2) while it costs a process, it hews closer to the "one thing well" philosophy. It's also a useful use of the (perhaps underappreciated)pasteutility that can be applied to a larger class of problems: separating a bunch of stuff with a delimiter. Another example is "unwrapping" (removing the line breaks from) a text file:paste -sd$' ' inputfile.
– TheDudeAbides
Nov 21 at 23:20
2
@TheDudeAbides, all those things are true about awk. And it use one process less. And IMO is much more readable
– Romeo Ninov
Nov 22 at 10:29
add a comment |
Although effectively the same as @xenoid's solution, I prefer this because 1) less rigamarole with format strings and remembering to append the final "0"; and 2) while it costs a process, it hews closer to the "one thing well" philosophy. It's also a useful use of the (perhaps underappreciated)pasteutility that can be applied to a larger class of problems: separating a bunch of stuff with a delimiter. Another example is "unwrapping" (removing the line breaks from) a text file:paste -sd$' ' inputfile.
– TheDudeAbides
Nov 21 at 23:20
2
@TheDudeAbides, all those things are true about awk. And it use one process less. And IMO is much more readable
– Romeo Ninov
Nov 22 at 10:29
Although effectively the same as @xenoid's solution, I prefer this because 1) less rigamarole with format strings and remembering to append the final "0"; and 2) while it costs a process, it hews closer to the "one thing well" philosophy. It's also a useful use of the (perhaps underappreciated)
paste utility that can be applied to a larger class of problems: separating a bunch of stuff with a delimiter. Another example is "unwrapping" (removing the line breaks from) a text file: paste -sd$' ' inputfile.– TheDudeAbides
Nov 21 at 23:20
Although effectively the same as @xenoid's solution, I prefer this because 1) less rigamarole with format strings and remembering to append the final "0"; and 2) while it costs a process, it hews closer to the "one thing well" philosophy. It's also a useful use of the (perhaps underappreciated)
paste utility that can be applied to a larger class of problems: separating a bunch of stuff with a delimiter. Another example is "unwrapping" (removing the line breaks from) a text file: paste -sd$' ' inputfile.– TheDudeAbides
Nov 21 at 23:20
2
2
@TheDudeAbides, all those things are true about awk. And it use one process less. And IMO is much more readable
– Romeo Ninov
Nov 22 at 10:29
@TheDudeAbides, all those things are true about awk. And it use one process less. And IMO is much more readable
– Romeo Ninov
Nov 22 at 10:29
add a comment |
10
With bc
{ stat -c '%s+' /etc/*.conf ; echo 0 ; } | bc
- The
statformat adds a+sign and a continuation character after each size - a
0is appended at the end to close the dangling final+
answered Nov 21 at 10:06
xenoid
2,6681724
add a comment |
10
With bc
{ stat -c '%s+' /etc/*.conf ; echo 0 ; } | bc
- The
statformat adds a+sign and a continuation character after each size - a
0is appended at the end to close the dangling final+
answered Nov 21 at 10:06
xenoid
2,6681724
add a comment |
10
10
10
With bc
{ stat -c '%s+' /etc/*.conf ; echo 0 ; } | bc
- The
statformat adds a+sign and a continuation character after each size - a
0is appended at the end to close the dangling final+
answered Nov 21 at 10:06
xenoid
2,6681724
With bc
{ stat -c '%s+' /etc/*.conf ; echo 0 ; } | bc
- The
statformat adds a+sign and a continuation character after each size - a
0is appended at the end to close the dangling final+
answered Nov 21 at 10:06
xenoid
2,6681724
answered Nov 21 at 10:06
xenoid
2,6681724
answered Nov 21 at 10:06
xenoid
2,6681724
answered Nov 21 at 10:06
xenoid
2,6681724
2,6681724
add a comment |
add a comment |
7
The most straightforward way is to use du -bc:
$ du -bc /etc/*.conf
5139 /etc/man_db.conf
393 /etc/nsswitch.conf
5532 total
If you need to extract only the number of bytes, pipe the output to awk:
$ du -bc /etc/*.conf | awk 'END { print $1 }'
5532
answered Nov 21 at 8:43
Martin Frodl
1884
Hope ... OP doesn't require the grand total size of all files...
– msp9011
Nov 21 at 8:55
1
Also note that this gives disk usage, not apparent sizes of the files.--apparent-sizeoption may be needed to use apparent sizes.
– Ruslan
Nov 21 at 17:04
@Ruslan Theawkline also strips off thetotal
– Izkata
Nov 21 at 18:09
@Izkata oh, indeed, didn't notice this bit.
– Ruslan
Nov 21 at 18:49
add a comment |
7
The most straightforward way is to use du -bc:
$ du -bc /etc/*.conf
5139 /etc/man_db.conf
393 /etc/nsswitch.conf
5532 total
If you need to extract only the number of bytes, pipe the output to awk:
$ du -bc /etc/*.conf | awk 'END { print $1 }'
5532
answered Nov 21 at 8:43
Martin Frodl
1884
Hope ... OP doesn't require the grand total size of all files...
– msp9011
Nov 21 at 8:55
1
Also note that this gives disk usage, not apparent sizes of the files.--apparent-sizeoption may be needed to use apparent sizes.
– Ruslan
Nov 21 at 17:04
@Ruslan Theawkline also strips off thetotal
– Izkata
Nov 21 at 18:09
@Izkata oh, indeed, didn't notice this bit.
– Ruslan
Nov 21 at 18:49
add a comment |
7
7
7
The most straightforward way is to use du -bc:
$ du -bc /etc/*.conf
5139 /etc/man_db.conf
393 /etc/nsswitch.conf
5532 total
If you need to extract only the number of bytes, pipe the output to awk:
$ du -bc /etc/*.conf | awk 'END { print $1 }'
5532
answered Nov 21 at 8:43
Martin Frodl
1884
The most straightforward way is to use du -bc:
$ du -bc /etc/*.conf
5139 /etc/man_db.conf
393 /etc/nsswitch.conf
5532 total
If you need to extract only the number of bytes, pipe the output to awk:
$ du -bc /etc/*.conf | awk 'END { print $1 }'
5532
answered Nov 21 at 8:43
Martin Frodl
1884
answered Nov 21 at 8:43
Martin Frodl
1884
answered Nov 21 at 8:43
Martin Frodl
1884
answered Nov 21 at 8:43
Martin Frodl
1884
1884
Hope ... OP doesn't require the grand total size of all files...
– msp9011
Nov 21 at 8:55
1
Also note that this gives disk usage, not apparent sizes of the files.--apparent-sizeoption may be needed to use apparent sizes.
– Ruslan
Nov 21 at 17:04
@Ruslan Theawkline also strips off thetotal
– Izkata
Nov 21 at 18:09
@Izkata oh, indeed, didn't notice this bit.
– Ruslan
Nov 21 at 18:49
add a comment |
Hope ... OP doesn't require the grand total size of all files...
– msp9011
Nov 21 at 8:55
1
Also note that this gives disk usage, not apparent sizes of the files.--apparent-sizeoption may be needed to use apparent sizes.
– Ruslan
Nov 21 at 17:04
@Ruslan Theawkline also strips off thetotal
– Izkata
Nov 21 at 18:09
@Izkata oh, indeed, didn't notice this bit.
– Ruslan
Nov 21 at 18:49
Hope ... OP doesn't require the grand total size of all files...
– msp9011
Nov 21 at 8:55
Hope ... OP doesn't require the grand total size of all files...
– msp9011
Nov 21 at 8:55
1
1
Also note that this gives disk usage, not apparent sizes of the files.
--apparent-size option may be needed to use apparent sizes.– Ruslan
Nov 21 at 17:04
Also note that this gives disk usage, not apparent sizes of the files.
--apparent-size option may be needed to use apparent sizes.– Ruslan
Nov 21 at 17:04
@Ruslan The
awk line also strips off the total– Izkata
Nov 21 at 18:09
@Ruslan The
awk line also strips off the total– Izkata
Nov 21 at 18:09
@Izkata oh, indeed, didn't notice this bit.
– Ruslan
Nov 21 at 18:49
@Izkata oh, indeed, didn't notice this bit.
– Ruslan
Nov 21 at 18:49
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5
you don't we simply use
du?– msp9011
Nov 21 at 7:30
1
@msp9011,
duwill calculate also subdirectories– Romeo Ninov
Nov 21 at 7:39
1
@RomeoNinov here we are checking only files...
du -b /etc/*.conf– msp9011
Nov 21 at 8:42
@msp9011 Not if there is a directory matching the pattern. It's unlikely but not impossible.
– BlackJack
Nov 21 at 17:55
@msp9011 due to block sizes, etc, disk usage is not the same as total file size.
– OrangeDog
Nov 22 at 11:45