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Walk a directory/Recursively: Difference between revisions
→{{header|UNIX Shell}}: this version does not use external programs like grep or find
m (→{{header|Smalltalk}}: several bug fixes that prevented the full deep exploration) |
(→{{header|UNIX Shell}}: this version does not use external programs like grep or find) |
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=={{header|UNIX Shell}}==
{{works with|Bourne Again SHell}}
<lang bash>#! /bin/bash
indent_print()
{
for((i=0; i < $1; i++)); do
echo -ne "\t"
done
echo "$2"
}
walk_tree()
{
local oldifs bn lev pr pmat
if [[ $# -lt 3 ]]; then
if [[ $# -lt 2 ]]; then
pmat=".*"
else
pmat="$2"
fi
walk_tree "$1" "$pmat" 0
return
fi
lev=$3
[ -d "$1" ] || return
oldifs=$IFS
IFS="
"
for el in $1/*; do
bn=$(basename "$el")
if [[ -d "$el" ]]; then
indent_print $lev "$bn/"
pr=$( walk_tree "$el" "$2" $(( lev + 1)) )
echo "$pr"
else
if [[ "$bn" =~ $2 ]]; then
indent_print $lev "$bn"
fi
fi
done
IFS=$oldifs
}
walk_tree "$1" "\.sh$"</lang>
=={{header|UnixPipes}}==
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