locating the line and print the output


 
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# 1  
Old 06-30-2005
locating the line and print the output

hi all,

I would like to know , if a file contains say 100 lines, and if i want to locate the 54th line and print the output , how to do it??

for eg , if a file details.txt which contains say 100 entries like

admin ....................
rajes ....................
test ..................
welcome ....................
admins .....................
.....
....
....
...
....

I dont want to use grep command..

pls help.
# 2  
Old 06-30-2005
Code:
sed -n '54,54p' details.txt

More over

Code:
sed -n '54,56p' details.txt

will print line 54, 55 and 56

vino
# 3  
Old 06-30-2005
thanks yaar it is working

Thats great, i have tested it, it is working
# 4  
Old 06-30-2005
hi u can try this also

awk '{if(NR == 54) print}' <filename>
# 5  
Old 08-03-2005
cuting the entries from one file and copy to other

here i found that , i can locate the line numbers and copy to another file,

but i want the data which i had copied to another file, shd be removed from the parent file..

eg

file a has 1000 rows

sed -n '500,1000p' a >> b

b has 501 and a has 1000 still, i want file 'a' to be having 499 only

how is it possible
# 6  
Old 08-03-2005
Code:
sed -n '500,1000d' a >> a.tmp
mv a.tmp a


vino
# 7  
Old 08-03-2005
d is not working

sed -n '500,1000d' a >> a.tmp
mv a.tmp a

d is not working,

i dont find any output in a.tmp file

pls help
 
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