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my homework for UNIX shell高手, thanks!!!

my homework for UNIX shell高手, thanks!!!# Unix - 噫吁兮，危乎高哉

a*n2002-10-25 07:10

1 楼

how to access a table in file, e.g.
A FILE called "hobbies", with contents:
zhang3, fishing
li4, playing basketball
wang5, watching TV
...
how to write a shell program "table", can handle a table like "hobbies"
$ table hobbies
Mr. zhang3 loves fishing;
Mr. li4 loves playing basketball;
Mr. wang5 loves watching TV;
...

p*f2002-10-25 07:10

2 楼

if perl is allowed...
#!perl -p
s/^/Mr. / && s/,/ loving/ && s/$/;/ or die "data format error"

【在 a*******n 的大作中提到】

: how to access a table in file, e.g.
: A FILE called "hobbies", with contents:
: zhang3, fishing
: li4, playing basketball
: wang5, watching TV
: ...
: how to write a shell program "table", can handle a table like "hobbies"
: $ table hobbies
: Mr. zhang3 loves fishing;
: Mr. li4 loves playing basketball;

a*s2002-10-25 07:10

3 楼

【在 a*******n 的大作中提到】

: how to access a table in file, e.g.
: A FILE called "hobbies", with contents:
: zhang3, fishing
: li4, playing basketball
: wang5, watching TV
: ...
: how to write a shell program "table", can handle a table like "hobbies"
: $ table hobbies
: Mr. zhang3 loves fishing;
: Mr. li4 loves playing basketball;

d*g2002-10-25 07:10

4 楼

#!/bin/sh
cat $1 | while read line; do
NAME="`echo $line | cut -d, -f1`"
HOBBIE="`echo $line | cut -d, -f2`"
echo "Mr. $NAME loves $HOBBIE"
done
or
#!/bin/sh
cat $1 | while read line; do
echo "Mr. `echo $line | cut -d, -f1` loves `echo $line | cut -d, -f2`"
done

【在 a*******s 的大作中提到】

a*n2002-10-25 07:10

5 楼

Thanks!
高手高手..

【在 d*****g 的大作中提到】

: #!/bin/sh
: cat $1 | while read line; do
: NAME="`echo $line | cut -d, -f1`"
: HOBBIE="`echo $line | cut -d, -f2`"
: echo "Mr. $NAME loves $HOBBIE"
: done
: or
: #!/bin/sh
: cat $1 | while read line; do
: echo "Mr. `echo $line | cut -d, -f1` loves `echo $line | cut -d, -f2`"

k*j2002-10-25 07:10

6 楼

Another approach:
#!/bin/sh
sed -e 's/\(.*\), *\(.*\)/Mr. \1 loves \2;/' $1

-f2`"
"hobbies"

【在 a*******n 的大作中提到】

: Thanks!
: 高手高手..

f*r2002-10-25 07:10

7 楼

awk -F, '{printf "Mr. %s loves %s;\n",$1,$2}' hobbies > table

【在 a*******n 的大作中提到】

: how to access a table in file, e.g.
: A FILE called "hobbies", with contents:
: zhang3, fishing
: li4, playing basketball
: wang5, watching TV
: ...
: how to write a shell program "table", can handle a table like "hobbies"
: $ table hobbies
: Mr. zhang3 loves fishing;
: Mr. li4 loves playing basketball;

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