40 lines
1.6 KiB
Bash
40 lines
1.6 KiB
Bash
#!/bin/bash
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# A simple tool for Gophermap fragment generation from existing file/directory lists
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# Depends on file external command to determine the type
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#
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# Usage: find [root] [params] | list2map.sh
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#
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# Created by Luxferre in 2023, released into public domain
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shopt -s extglob # enable extended pattern matching (just to be sure)
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RDIR="$1" # root directory, no substitution if empty
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THOST="$2" # can be empty per spec
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TPORT="$3" # can be empty too
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INDEXFILE='index.map' # the basename to consider an index file
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typequery() { # external command wrapper to fetch the file's MIME type
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local res="$(file -Nn --mime-type "$1")"
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printf '%s' "${res##*: }"
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}
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while read -rs fpath; do # fully line-based operation
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ftype="$(typequery "$fpath")" # MIME type here
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bname="${fpath##*/}" # basename here
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desc="$bname" # default to the basename
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[[ "$bname" == "$INDEXFILE" ]] && continue # skip index map
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etype=9 # default map entry type is binary until proven otherwise
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esel="${fpath##$RDIR}" # if RDIR is empty, they are the same
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if [[ "$ftype" == 'inode/directory' ]]; then # it's a directory
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etype=1
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esel="${esel}/${INDEXFILE}" # update the selector
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elif [[ "${ftype%%/*}" == 'text' ]]; then # update etype for text files
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etype=0
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read -rsd$'\r' desc < "$fpath" # read the first file line as the description/title
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desc="${desc##*([[:blank:]])}" # remove leading whitespace
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desc="${desc%%*([[:blank:]])}" # remove trailing whitespace
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fi
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# output the RFC-compliant Gophermap line
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printf '%s%s\t%s\t%s\t%s\r\n' "$etype" "$desc" "$esel" "$THOST" "$TPORT"
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done
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