Shell Programming and Scripting

 $ echo $SHELL
/bin/csh

$ cat bp
abd/asd/a[5]

$ awk -F "/" '{print $NF}' bp | awk '{print $1}'
a[5]

$  set a=`awk -F "/" '{print $NF}' bp | awk '{print $1}'`

$ echo $a 
echo: No match    <=============

$  set=a[5]
set=a[5]: No match. <============

$ awk -F "/" '{print $NF}' bp              # Why u need awk '{print $1} ??
a[5]

set a=`awk -F "/" '{print $NF}' bp | awk '{print $1}'`

set a=`awk -F"\/" '{print $NF}' bp`
echo $a                          # This will print a[5]

$cat bp
asd/dad/a[5]

$ set a=`awk -F"\/" '{print $NF}' bp`
awk: warning: escape sequence `\/' treated as plain `/'

$ echo $a
echo: No match.

$ basename `cat bp`
$ a="$1"
$ echo $a                         # This will print a[5]