diff options
| -rwxr-xr-x | bin/extra/ladd | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/bin/extra/ladd b/bin/extra/ladd new file mode 100755 index 0000000..0b0679b --- /dev/null +++ b/bin/extra/ladd @@ -0,0 +1,156 @@ +#!/bin/sh +assume_yes=0 +verbose=0 + +die () +{ + # always print errors + if [ "$verbose" -eq 1 ] || echo "$1" | grep -q "^E:" + then + echo "$1" >&2 + fi +} + +help () +{ + local verbose=1 + die "ladd [OPTION [ARG]...] [FILE]" + die "\t-c CATEGORY\t\twill be uppercased" + die "\t-d DESCRIPTION" + die "\t-f FILE" + die "\t-l LINK" + die "\t-v\t\t\tverbose" + die "\t-y\t\t\tassume yes" +} + +alias shiftt=' +if [ $# -gt 0 ] +then + shift +else + die "E: No argument provided." + exit 1 +fi' + +ftest () +{ + if [ ! -f "$1" ]; then + die "E: '$1' not found." + exit 1 + fi +} + +# Main execution + +if [ $# -eq 0 ] +then + help + exit +fi +while [ $# -ne 0 ] +do + case "$1" in + '-c') + shiftt + category="$(echo "$1" | tr '[:lower:]' '[:upper:]')" + die "I: category -> '$category'" + shiftt + ;; + '-d') + shiftt + description="$1" + die "I: description -> '$description'" + shiftt + ;; + '-f') + shiftt + test -n "$1" && + ftest "$1" + file="$1" + shiftt + die "I: file -> '$file'" + ;; + '-l') + shiftt + link="$1" + die "I: link -> '$link'" + shiftt + ;; + '-v') + verbose=1 + die "I: verbose -> $verbose" + shiftt + ;; + '-y') + assume_yes=1 + die "I: assume_yes -> $assume_yes" + shiftt + ;; + *) + if [ ! "$file" ] + then + ftest "$1" + file="$1" + die "I: file -> '$file'" + shiftt + else + die "E: not a valid argument." + help + exit 1 + fi + ;; + esac +done + +# Tests +# Check on file and/or link +if [ -z "$file" ] || [ -z "$link" ] +then + die "E: no file and/or link supplied." + exit 1 +fi +# Check on valid category +categories="$(pup -f "$file" -p 'h2 text{}' | + tr '\n' ',' | sed 's/,$//')" +die "" +die "categories: $categories" +if ! echo "$categories" | grep -q "$category" +then + die "E: '$category' is not a valid category." +fi +# Check on empty values +for var in category description +do + eval value=\$$var + if [ -z "$value" ] + then + die "W: $var is empty" + if [ "$assume_yes" -eq 0 ] + then + die "W: are you sure you want to proceed? (Y/n)" + echo -n ">" >&2 + read input + test "$input" = "n" && + exit 1 + fi + eval $var="'UNDEFINED'" + die "I: $var -> $(eval echo "\$$var")" + fi +done +# Checks if the link has already been added +if grep -q "$link" "$file" +then + die "E: link already in $file" + exit 1 +fi + +# constructing the tag +tag="<li><a href=\"$link\">$link</a> - $description</li>" +die "tag: $tag" + +die "I: appending tag" +# use grep line numbers to add link after match of the category header +# header will have an <ul> element this one is used with -A 1 | tail -1 +sed -i "$(grep -n "<h2.*$category" -A 1 "$file" | + tail -n 1 | + cut -f 1 -d '-')a $tag" "$file" |