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#!/bin/rc
rfork e
sym = 'threadmain?z
main?z'
fn dbsrc{
echo $sym | db $1 | sed '1d;/symbol not found/d;s/.*\(\) //'
}
fn go{
type=`{file <$1 | sed 's/stdin: //'}
switch($type){
case 'Ascii'
plumbit $1 '(ascii file)'
case 'rc executable file'
plumbit $1 '(rc executable)'
case *executable* *'plan 9 boot image'*
plumbit `{dbsrc $1} '(executable)'
case *
echo 'src: can''t find source for '$1 - unrecognized type $type >[1=2]
}
}
fn plumbit{B $1}
fn usage{
echo usage: 'src [-n] [-s symbol] executable ...'>[1=2]
exit usage
}
while(~ $1 -*)
switch($1){
case -n
shift
fn plumbit {echo $1}
case -s
shift
# add main in case symbol is undefined
sym=$1'?z
main?z'
shift
case -*
usage
}
if(~ $#* 0)
usage
for(i in $*){
if(~ $i /*)
test -f $i && go $i && exit
if not
for(f in $path^/^$i)
test -x $f && go $f && exit
echo 'src: can''t find '$i
}
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