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Shell Programming and Scripting

My script doesn't work in the terminal window!

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Top Forums Shell Programming and Scripting My script doesn't work in the terminal window!
# 15  
Old 02-22-2013
Here is the script

Code:
#!/sw64/bin/zsh

find ./ -type d -maxdepth 1 -mindepth 1 > list_of_dir.txt

sed 's/^...//' <list_of_dir.txt >list_of_dir2.txt

rm list_of_dir.txt 

echo list of data > list_of_data.txt

no_of_dir=$(wc -l < list_of_dir2.txt)

for i in {1..$no_of_dir}

do

current_dir=$(sed -n "$i"p list_of_dir2.txt)

echo "\n"$current_dir >> list_of_data.txt

cd $current_dir

ls *.jpeg | awk -F_ '{A[$1 FS $2]++} END {for (j in A) printf "%-20s%4d \n", j, A[j] >> "../list_of_data.txt"}' 

cd ..

done

yes the script is executable
# 16  
Old 02-22-2013
OK, assuming that is the right zsh path, and if not there would be an error, is '{1..$no_of_dir}' a correct expanding string? Well, I have no zsh but the zsh doc says it is OK if the variable is expanded first. If not, you need an eval or something. Your use of it seems abuse (lose things in pile and then grope for them), why not just
Code:
while read current_dir;do ... done <  list_of_dir2.txt

# 17  
Old 02-22-2013
I wonder if its not something to do with your environment... You have something there that is missing in your scripts like PATH to a different find or sed etc... because -maxdepth is not standard in solaris so I can guess you are using gnu find, and so may also have another sed than the standard...
Have a check...
# 18  
Old 02-22-2013
Hi DGPickett

I have just come across the while read (file) option and it works beautifully!

Thanks everyone for your help. although I still dont' quite understand why the for loop and sed combination didn't work.
# 19  
Old 02-22-2013
Yes, "while read" is a keeper, pipeline parallel and robust. Read can capture fields, and bash has "read -a simple_array_var_typedef_-a" so you do not even have to count or name them. I mostly use "while read a b c" where c gets the rest. I nevr use 'while read' with no vars, as I have to shift and type more for $REPLY.

One recent post noted that "for i in {1..999999999}" might make a command line too long, slowly, but "i=0; while (( ++i < 999999999 )) ; do ... done" has no such problems.
This User Gave Thanks to DGPickett For This Post:
piynik
# 20  
Old 02-22-2013
Thanks DGpickett but I have no idea what you talking about lol
# 21  
Old 02-22-2013
That's okay, I'm amazed it ever worked at all Smilie All it ever does for me is jam the value "{1..9}" into the sed statement instead of looping 1 through 9 -- and this is a shell that supports {1..9}, just not with variables in it.
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