Databases
StackOverflow2013
Postsdbo
PO
 

Note that there are some explanatory texts on larger screens.

plurals
  1. PO
    primarykey
    data
    text
    <p>Here's a shell script that does it without calling other programs:</p> <pre class="lang-sh prettyprint-override"><code>#! /bin/env bash #bash script to find the relative path between two directories mydir=${0%/} mydir=${0%/*} creadlink="$mydir/creadlink" shopt -s extglob relpath_ () { path1=$("$creadlink" "$1") path2=$("$creadlink" "$2") orig1=$path1 path1=${path1%/}/ path2=${path2%/}/ while :; do if test ! "$path1"; then break fi part1=${path2#$path1} if test "${part1#/}" = "$part1"; then path1=${path1%/*} continue fi if test "${path2#$path1}" = "$path2"; then path1=${path1%/*} continue fi break done part1=$path1 path1=${orig1#$part1} depth=${path1//+([^\/])/..} path1=${path2#$path1} path1=${depth}${path2#$part1} path1=${path1##+(\/)} path1=${path1%/} if test ! "$path1"; then path1=. fi printf "$path1" } relpath_test () { res=$(relpath_ /path1/to/dir1 /path1/to/dir2 ) expected='../dir2' test_results "$res" "$expected" res=$(relpath_ / /path1/to/dir2 ) expected='path1/to/dir2' test_results "$res" "$expected" res=$(relpath_ /path1/to/dir2 / ) expected='../../..' test_results "$res" "$expected" res=$(relpath_ / / ) expected='.' test_results "$res" "$expected" res=$(relpath_ /path/to/dir2/dir3 /path/to/dir1/dir4/dir4a ) expected='../../dir1/dir4/dir4a' test_results "$res" "$expected" res=$(relpath_ /path/to/dir1/dir4/dir4a /path/to/dir2/dir3 ) expected='../../../dir2/dir3' test_results "$res" "$expected" #res=$(relpath_ . /path/to/dir2/dir3 ) #expected='../../../dir2/dir3' #test_results "$res" "$expected" } test_results () { if test ! "$1" = "$2"; then printf 'failed!\nresult:\nX%sX\nexpected:\nX%sX\n\n' "$@" fi } #relpath_test </code></pre> <p>source: <a href="http://www.ynform.org/w/Pub/Relpath" rel="nofollow noreferrer">http://www.ynform.org/w/Pub/Relpath</a></p>
    singulars
    1. This table or related slice is empty.
    1. POConvert absolute path into relative path given a current directory using Bash
      singulars
      1. PTQuestion
    1. PTAnswer
    1. USPoor Yorick
    1. USPoor Yorick
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. VO
      singulars
      1. PO
      1. This table or related slice is empty.
      1. VTApproveEditSuggestion
    1. COThis is not really portable due to the use of the ${param/pattern/subst} construct, which is not POSIX (as of 2011).
      singulars
      1. PO
      1. USJens
    2. COThe referenced source http://www.ynform.org/w/Pub/Relpath points to a completely garbled wiki page containing the script contents several times, intermingled with vi tilde lines, error messages about commands not found and whatnot. Utterly useless for someone researching the original.
      singulars
      1. PO
      1. USJens
    3. COwiki page is now fixed
      singulars
      1. PO
      1. USPoor Yorick
 

Querying!

 
Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload