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I've created a bash script that

  1. Lists the document IDs I've put in an Elastic index, in $liste_ids_lines:

     a004-événements-examen_individus_localisés_ou_non
 a020-les_points-leurs_indicateurs-usage_dans_postgis
 a022-les_lignes-leurs_indicateurs-usage_dans_postgis
 a024-les_vecteurs-leurs_indicateurs-usage_dans_postgis
 a030-topologie_avec_PostGIS
 a031-topologie_relations_spatiales-voisinages_arrangements
 a032-topologie_espace_plan_homogène_isotrope-synthese_objets_et_dispersion
 a033-topologie_distribution_spatiale-et-pondération_par_la_distance
 a037-topologie-indicateurs_arrangement_spatial_par_classe-objets_zonaux
 a038-topologie_les_indicateurs_arrangement_spatial_par_région-objets-zonaux
 a039-topologie_les_indices_de_texture_et_de_structure
 a050-auto-correlation_spatiale
 a060-cartographie
 a061-mise_en_évidence_valeurs_significatives-correction_des_taux
 a062-interpolations-et-surfaces_de_tendance
 a091-modelisation-la_recherche_de_modele
 a092-modélisation_analyses-locales-et-globales
 a093-voisinages_et_autocorrelation_spatiale
 a094-inferences_generalisations_correlations
 a095-evolution_dans_le_temps-le_mouvement
 a096-evolution_dans_le_temps-processus
 a151-le_modele_de_paysage
 a406-topologie-passer_de_la_geometrie_a_la_topologie-postgis
 a410-topologie-les_operations
 a480-topologie-parcours_de_reseau-pgRouting
 a500-les_protocoles_des-services_géographiques-wms_wfs_etc
 a600-postgis-installation_et_configuration
 a621-postgis-chargement_de_donnees
 a623-postgis_ses_types_de_données
 a631-postgis-intersections_et_reunions
 a700-géocodage_adresses_coordonnées

  2. Lists my pdf files in their folders and retaisn their name without their directory or extension, in $liste_fichiers:

    a000-les_usages_de_la_cartographie
a004-événements-examen_individus_localisés_ou_non
a020-les_points-leurs_indicateurs-usage_dans_postgis
a022-les_lignes-leurs_indicateurs-usage_dans_postgis
a024-les_vecteurs-leurs_indicateurs-usage_dans_postgis
a030-topologie_avec_PostGIS
a031-topologie_relations_spatiales-voisinages_arrangements
a032-topologie_espace_plan_homogène_isotrope-synthese_objets_et_dispersion
a033-topologie_distribution_spatiale-et-pondération_par_la_distance
a037-topologie-indicateurs_arrangement_spatial_par_classe-objets_zonaux
a038-topologie_les_indicateurs_arrangement_spatial_par_région-objets-zonaux
a039-topologie_les_indices_de_texture_et_de_structure
a050-auto-correlation_spatiale
a060-cartographie
a061-mise_en_évidence_valeurs_significatives-correction_des_taux
a062-interpolations-et-surfaces_de_tendance
a091-modelisation-la_recherche_de_modele
a092-modélisation_analyses-locales-et-globales
a093-voisinages_et_autocorrelation_spatiale
a094-inferences_generalisations_correlations
a095-evolution_dans_le_temps-le_mouvement
a096-evolution_dans_le_temps-processus
a151-le_modele_de_paysage
a201-extraction_données-et-modélisation_en_objets
a406-topologie-passer_de_la_geometrie_a_la_topologie-postgis
a410-topologie-les_operations
a480-topologie-parcours_de_reseau-pgRouting
a500-les_protocoles_des-services_géographiques-wms_wfs_etc
a600-postgis-installation_et_configuration
a621-postgis-chargement_de_donnees
a623-postgis_ses_types_de_données
a631-postgis-intersections_et_reunions
a650-postgis-extraction_depuis_une_image_satellite
a700-géocodage_adresses_coordonnées
analyse_spatiale
analyse_spatiale-a000-les-usages-de-la-cartographie
analyse_spatiale-a022-postgis-extraction-depuis-une-image-satellite
analyse_spatiale-a090-explicatif-modéliser-ce-qui-est-observé
analyse_spatiale-a120-géodésie-et-projections
analyse_spatiale-a150-le-modèle-numérique-de-terrain
analyse_spatiale-a180-mapserver-installation-et-configuration
analyse_spatiale-a181-mapserver-la-structure-d'un-mapfile
analyse_spatiale-a191-grass-qgis-manipulations-générales

I would like to know what line isn't in the other list, considering these variables by their lines.

Currently, my diff command:

diff <( echo "$liste_ids_lines" ) <( echo "$liste_fichiers" )

lists (I'm reporting only a part of the command result):

1c1,225
< 
---
> a000-les_usages_de_la_cartographie
> a004-événements-examen_individus_localisés_ou_non
> a020-les_points-leurs_indicateurs-usage_dans_postgis
> a022-les_lignes-leurs_indicateurs-usage_dans_postgis
> a024-les_vecteurs-leurs_indicateurs-usage_dans_postgis
> a030-topologie_avec_PostGIS
> a031-topologie_relations_spatiales-voisinages_arrangements
> a032-topologie_espace_plan_homogène_isotrope-synthese_objets_et_dispersion
> a033-topologie_distribution_spatiale-et-pondération_par_la_distance
> a037-topologie-indicateurs_arrangement_spatial_par_classe-objets_zonaux
> a038-topologie_les_indicateurs_arrangement_spatial_par_région-objets-zonaux
> a039-topologie_les_indices_de_texture_et_de_structure
> a050-auto-correlation_spatiale
> a060-cartographie
> a061-mise_en_évidence_valeurs_significatives-correction_des_taux
> a062-interpolations-et-surfaces_de_tendance
> a091-modelisation-la_recherche_de_modele
> a092-modélisation_analyses-locales-et-globales
> a093-voisinages_et_autocorrelation_spatiale
> a094-inferences_generalisations_correlations
> a095-evolution_dans_le_temps-le_mouvement
> a096-evolution_dans_le_temps-processus
> a151-le_modele_de_paysage
> a201-extraction_données-et-modélisation_en_objets
> a406-topologie-passer_de_la_geometrie_a_la_topologie-postgis
> a410-topologie-les_operations
> a480-topologie-parcours_de_reseau-pgRouting
> a500-les_protocoles_des-services_géographiques-wms_wfs_etc
> a600-postgis-installation_et_configuration
> a621-postgis-chargement_de_donnees
> a623-postgis_ses_types_de_données
> a631-postgis-intersections_et_reunions
> a650-postgis-extraction_depuis_une_image_satellite
> a700-géocodage_adresses_coordonnées
> analyse_spatiale
> analyse_spatiale-a000-les-usages-de-la-cartographie
> analyse_spatiale-a022-postgis-extraction-depuis-une-image-satellite
> analyse_spatiale-a090-explicatif-modéliser-ce-qui-est-observé
> analyse_spatiale-a120-géodésie-et-projections
> analyse_spatiale-a150-le-modèle-numérique-de-terrain
> analyse_spatiale-a180-mapserver-installation-et-configuration
> analyse_spatiale-a181-mapserver-la-structure-d'un-mapfile
> analyse_spatiale-a191-grass-qgis-manipulations-générales

And I would like to read, instead:
either, the files that have no index:

a000-les_usages_de_la_cartographie
analyse_spatiale
analyse_spatiale-a000-les-usages-de-la-cartographie
analyse_spatiale-a022-postgis-extraction-depuis-une-image-satellite
analyse_spatiale-a090-explicatif-modéliser-ce-qui-est-observé
analyse_spatiale-a120-géodésie-et-projections
analyse_spatiale-a150-le-modèle-numérique-de-terrain
analyse_spatiale-a180-mapserver-installation-et-configuration
analyse_spatiale-a181-mapserver-la-structure-d'un-mapfile
analyse_spatiale-a191-grass-qgis-manipulations-générales

or the indices that don't have an associated file.

(I think it will require the execution of two diff commands, having their arguments switched)

Is it achievable by my diff command?
or should it be done by a special grep command?

Improve this question
8
  • 1
    Why is the line a004-événements-examen_individus_localisés_ou_non which exists in both the lists appears in your diff output? Commented Oct 15, 2023 at 6:32
  • @davidt930 I don't understand why. The result of my diff command looks strange to me, and this is why I've opened this question: diffdoesn't return what I've expected. Commented Oct 15, 2023 at 9:57
  • can you check the output of echo command? does it have newline? Commented Oct 15, 2023 at 10:00
  • 1
    I think I've found a part of my problem. A component of the diff looks saying: 1c1,225 < as if one member of the comparison was empty. It seems to be a bug in my script... Commented Oct 15, 2023 at 10:07
  • 2
    I cannot reproduce your output. If I store the two lists as files, and then run liste_ids_lines=$(cat file1); liste_fichiers=$(cat file2); diff <( echo "$liste_ids_lines" ) <( echo "$liste_fichiers" ) I get an output with only 16 lines, including the diff location stuff like 0a1. Can you show us the script? Does the output change if you use diff -w? Also, remember that diff needs sorted files, what is the output of diff -w <( echo "$liste_ids_lines" | sort ) <( echo "$liste_fichiers" | sort)? Commented Oct 15, 2023 at 13:06

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