UNIX for Dummies Questions & Answers

Ok, lets clear a few things up. Thx davidl......heres the test results

echo abcdef | sed -e "s/c/X/" <--should yield--> abXdef
that worked, it printed abXdef, like u said

--------------------
ls -ld filename |cut -c2-10 <--Should yield--> -rwxr-xr-x
yep, worked excellent

--------------------
ls -ld somefilename | cut -c2-10 | /usr/bin/tr [-rwx] [0421]
didnt work, printed error message: /usr/bin/tr Bad string. BUT this worked:
ls -ld filenmame | cut -c2-10 | tr '\-rwx' 0421
which printed converted the r's, w's, and x's with numbers e.g 421000000

BUT, I couldn't get any further and get it to print the numerically values with spaces????

Makaveli.2003, try this... Basically the same stuff you've been doing... with a small change in syntax.

echo abcdef |sed 's/cd/GREAT/g' <--Should Display--> abGREATef


echo abcdef |sed 's/./& /g' <Should Display--> a b c d e f
***Be careful when you type this one!!
***Note there are no spaces from 's/./&
and there is ONE space after '&'****

You've probably already looked at that.. just though I'd throw it out anyways

ls -l menu | cut -c2-10 | tr '\-rwx' 0421 | sed "s/./& /g" | awk '{print $1+$2+$3 $4+$5+$6 $7+$8+$9}'
produces: 7

got it to work, think it was coz i didnt put the space between the "&" and the "/", sorrrrryyyyyy. But shouldnt it print "700"????

The code you just showed should indeed output 3 digits. Make sure that you are executing the code as shown. In earlier posts, you erroneously showed the awk portion as:

awk '{print $1+$2+$3+$4+$5+$6+$7+$8+$9}'
which prints a single sum, instead of
awk '{print $1+$2+$3 $4+$5+$6 $7+$8+$9}'
which prints three sums.

Spaces and punctuation are critical. Once, a missing period in a Fortran program caused a major unmanned rocket launch to crash (really).

First leave off the awk part and try this:

ls -l menu | cut -c2-10 | tr '\-rwx' 0421 | sed "s/./& /g"

That should print 4 2 1 0 0 0 0 0 0

Yep, Jimbo worked a treat.

I just want to thank every1 that has helped: Jimbo, negative, shaik786, sbw1, guest100, Perderabo, davidl, and LivinFree thanx alot

Especially want to thank Jimbo and davidl, great work and keep it up. Thanx for ur dedication, its really appreciated.

P.S
Yea, someone told me about that. Again thanx.

You're welcome, Makaveli. And I hate to add to an already too-long thread, but, I don't like posting a solution that will sometimes give incorrect results. So, I offer my new solution, which should handle all cases including suid and sticky bits. And special thanks to Perderabo for his excellent contribution.

Code:

#!/bin/ksh
ls -ld $* | awk 'BEGIN {
v["r1"]=400; v["w2"]=200; v["x3"]=100; v["s3"]=4100; v["S3"]=4000
v["r4"]=40 ; v["w5"]=20 ; v["x6"]=10 ; v["s6"]=2010; v["S6"]=2000
v["r7"]=4  ; v["w8"]=2  ; v["x9"]=1  ; v["t9"]=1001; v["T9"]=1000}
{val=0
 for (i=1;i<=9;i++) val=val+v[substr($0,i+1,1)i]
 printf "%4d %s\n",val,$NF}'

perms.sh jb*
666 jbdisks
755 jbexp
666 jbfilea
2666 jbll
755 jbtest1

Makaveli.2003,

when you tried echo piped into tr, did you put a single quote around the tests? ie...

echo rwx | tr '[rwx] [421]'

I tried exactly what was posted and received the error no match when I didn't use the single quote, but it worked fine when I used the single quote.